[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"blog-post-fr-section-cable-disjoncteur":3,"blog-alternates-blog-post-fr-section-cable-disjoncteur-cable-cross-section-breaker":689,"blog-next-steps-blog-post-fr-section-cable-disjoncteur-cable-cross-section-breaker":3023},{"id":4,"title":5,"articleId":6,"body":7,"category":667,"date":668,"description":669,"extension":670,"image":24,"lastUpdated":671,"locale":672,"meta":673,"navigation":674,"ogImage":675,"path":676,"publishDate":668,"readTime":677,"refreshInterval":678,"seo":679,"seoTitle":680,"slug":681,"stem":682,"tags":683,"__hash__":688},"blog\u002Fblog\u002Fcable-cross-section-breaker.fr.md","Section de câble et disjoncteur : 1,5 mm² = 16 A, 2,5 mm² = 20 A","cable-cross-section-breaker",{"type":8,"value":9,"toc":653},"minimark",[10,18,25,30,33,154,157,161,164,170,316,319,323,326,361,364,368,375,379,402,405,445,451,455,466,480,484,487,490,517,520,524,585,589,602,606,642],[11,12,13,17],"p",{},[14,15,16],"strong",{},"Dans une installation domestique belge, le tableau 4.11 du RGIE fixe le disjoncteur maximal : 16 A sur 1,5 mm² de cuivre, 20 A sur 2,5 mm², 25 A sur 4 mm² et 40 A sur 6 mm²."," Un circuit de prises se câble toujours en 2,5 mm² au minimum, selon la sous-section 5.2.1.2. La protection protège la canalisation, pas l’appareil : un disjoncteur trop gros pour la section coupe trop tard en cas de surcharge, et le câble surchauffe.",[11,19,20],{},[21,22],"img",{"alt":23,"src":24},"Un électricien compare des câbles sur un établi.","\u002Fimages\u002Fblog\u002Feditorial-2026-10-13\u002Fplanelec-cable-cross-section-breaker-editorial.webp",[26,27,29],"h2",{"id":28},"aperçu-rapide-disjoncteur-section-minimale","Aperçu rapide : disjoncteur → section minimale",[11,31,32],{},"Cet aperçu lit le tableau 4.11 dans le sens de la question posée sur chantier : le disjoncteur est connu, vous cherchez la plus petite section de cuivre admise.",[34,35,36,52],"table",{},[37,38,39],"thead",{},[40,41,42,46,49],"tr",{},[43,44,45],"th",{},"Disjoncteur",[43,47,48],{},"Section minimale en cuivre",[43,50,51],{},"Usage typique",[53,54,55,67,78,89,100,111,122,133,144],"tbody",{},[40,56,57,61,64],{},[58,59,60],"td",{},"10 A",[58,62,63],{},"1,5 mm² (le tableau 4.11 cite 1 mm², mais le tableau 5.1 ne l’admet pas pour une canalisation neuve)",[58,65,66],{},"Éclairage",[40,68,69,72,75],{},[58,70,71],{},"16 A",[58,73,74],{},"1,5 mm² ; circuits de prises au moins 2,5 mm² selon 5.2.1.2",[58,76,77],{},"Éclairage, circuit sans prises",[40,79,80,83,86],{},[58,81,82],{},"20 A",[58,84,85],{},"2,5 mm²",[58,87,88],{},"Circuit de prises, circuit d’appareil",[40,90,91,94,97],{},[58,92,93],{},"25 A",[58,95,96],{},"4 mm²",[58,98,99],{},"Circuit terminal plus chargé",[40,101,102,105,108],{},[58,103,104],{},"32 A",[58,106,107],{},"6 mm²",[58,109,110],{},"Taque de cuisson, chauffe-eau instantané",[40,112,113,116,119],{},[58,114,115],{},"40 A",[58,117,118],{},"6 mm² (plafond du tableau)",[58,120,121],{},"Circuit terminal ou alimentation",[40,123,124,127,130],{},[58,125,126],{},"63 A",[58,128,129],{},"10 mm²",[58,131,132],{},"Alimentation d’un tableau divisionnaire",[40,134,135,138,141],{},[58,136,137],{},"80 A",[58,139,140],{},"16 mm²",[58,142,143],{},"Alimentation, interrupteur général",[40,145,146,149,152],{},[58,147,148],{},"100 A",[58,150,151],{},"25 mm²",[58,153,143],{},[11,155,156],{},"Le tableau fixe un plafond pour la protection, pas un dimensionnement achevé. Le mode de pose, le groupement, la température ambiante et la chute de tension peuvent exiger une section supérieure ; la méthode de vérification suit plus bas.",[26,158,160],{"id":159},"le-tableau-411-complet","Le tableau 4.11 complet",[11,162,163],{},"Le RGIE présente la correspondance dans l’autre sens : pour chaque section de conducteur, le calibre maximal de la protection, séparément pour le coupe-circuit à fusible et le disjoncteur (sous-section 4.4.1.4, applicable aux installations domestiques).",[11,165,166],{},[167,168,169],"em",{},"Tableau 4.11 — Calibre de la protection selon la section du conducteur (RGIE 4.4.1.4)",[34,171,172,189],{},[37,173,174],{},[40,175,176,179,183,186],{},[43,177,178],{},"Section du conducteur",[43,180,182],{"align":181},"right","Fusible max.",[43,184,185],{"align":181},"Disjoncteur max.",[43,187,188],{},"Usage dans une installation domestique",[53,190,191,205,218,230,242,253,263,273,284,294,304],{},[40,192,193,196,199,202],{},[58,194,195],{},"0,5 mm²",[58,197,198],{"align":181},"2 A",[58,200,201],{"align":181},"4 A",[58,203,204],{},"uniquement circuits de commande, contrôle, signalisation et mesure",[40,206,207,210,212,215],{},[58,208,209],{},"0,75 mm²",[58,211,201],{"align":181},[58,213,214],{"align":181},"6 A",[58,216,217],{},"uniquement circuits intégrés dans les tableaux",[40,219,220,223,225,227],{},[58,221,222],{},"1 mm²",[58,224,214],{"align":181},[58,226,60],{"align":181},[58,228,229],{},"uniquement existant d’avant le 17 mai 1986 (Partie 8)",[40,231,232,235,237,239],{},[58,233,234],{},"1,5 mm²",[58,236,60],{"align":181},[58,238,71],{"align":181},[58,240,241],{},"circuits sans socles de prise de courant",[40,243,244,246,248,250],{},[58,245,85],{},[58,247,71],{"align":181},[58,249,82],{"align":181},[58,251,252],{},"admis de manière générale",[40,254,255,257,259,261],{},[58,256,96],{},[58,258,82],{"align":181},[58,260,93],{"align":181},[58,262,252],{},[40,264,265,267,269,271],{},[58,266,107],{},[58,268,104],{"align":181},[58,270,115],{"align":181},[58,272,252],{},[40,274,275,277,280,282],{},[58,276,129],{},[58,278,279],{"align":181},"50 A",[58,281,126],{"align":181},[58,283,252],{},[40,285,286,288,290,292],{},[58,287,140],{},[58,289,126],{"align":181},[58,291,137],{"align":181},[58,293,252],{},[40,295,296,298,300,302],{},[58,297,151],{},[58,299,137],{"align":181},[58,301,148],{"align":181},[58,303,252],{},[40,305,306,309,311,314],{},[58,307,308],{},"35 mm²",[58,310,148],{"align":181},[58,312,313],{"align":181},"125 A",[58,315,252],{},[11,317,318],{},"Les deux colonnes ne sont pas interchangeables. Pour une même canalisation, la limite du fusible se situe un cran sous celle du disjoncteur. Remplacer sur 2,5 mm² un fusible de 16 A par un disjoncteur de 20 A augmente le courant nominal et impose de réévaluer le circuit.",[26,320,322],{"id":321},"tableau-51-les-exceptions-sous-25-mm","Tableau 5.1 : les exceptions sous 2,5 mm²",[11,324,325],{},"La sous-section 5.2.1.2 interdit les conducteurs isolés de moins de 2,5 mm² lorsqu’ils ne font pas partie intégrante d’une machine ou d’un appareil. Le tableau 5.1 énumère limitativement les exceptions :",[34,327,328,338],{},[37,329,330],{},[40,331,332,335],{},[43,333,334],{},"Minimum",[43,336,337],{},"Uniquement pour",[53,339,340,347,354],{},[40,341,342,344],{},[58,343,234],{},[58,345,346],{},"circuits sans prises ; seule une prise individuelle d’au plus 2,5 A intégrée dans un luminaire est admise",[40,348,349,351],{},[58,350,209],{},[58,352,353],{},"circuits intégrés dans les tableaux et ensembles d’appareillage alimentant un seul socle de prise",[40,355,356,358],{},[58,357,195],{},[58,359,360],{},"circuits de commande, contrôle, signalisation et mesure",[11,362,363],{},"La ligne 1 mm² du tableau 4.11 n’autorise donc pas une canalisation neuve en 1 mm². Le tableau 4.11 fixe la protection maximale ; le tableau 5.1 détermine si la section peut être posée.",[26,365,367],{"id":366},"installations-existantes-canalisations-de-1-mm","Installations existantes : canalisations de 1 mm²",[11,369,370,371,374],{},"Pour les parties existantes des installations domestiques, la section 8.2.2 (point 5, choix des canalisations électriques) prévoit une dérogation strictement délimitée : les canalisations EMCB et EMCVB de 1 mm² et CTLB et VTLB de 0,75 mm² peuvent rester en service si l’exécution sur place a commencé avant le ",[14,372,373],{},"17 mai 1986"," et si elles appartiennent à des circuits sans prises. Leurs dispositifs de protection doivent être adaptés à la section. Il s’agit d’une tolérance pour l’existant, pas d’une règle pour une pose neuve. L’époque de réalisation et le type réel de câble doivent pouvoir être établis lors du contrôle.",[26,376,378],{"id":377},"ce-que-le-tableau-ne-tranche-pas","Ce que le tableau ne tranche pas",[11,380,381,382,386,387,390,391,394,395,398,399,401],{},"Un choix complet relie trois courants : le courant d’emploi de la charge ",[383,384,385],"code",{},"I_B",", le courant nominal de la protection ",[383,388,389],{},"I_n"," et le courant admissible de la canalisation ",[383,392,393],{},"I_Z",". En principe, ",[383,396,397],{},"I_B ≤ I_n ≤ I_Z",". ",[383,400,393],{}," n’est pas une valeur fixe par mm² : la sous-section 4.4.1.4 le fait dépendre de la section, de l’isolation, de la constitution de la canalisation, du mode de pose et de la température ambiante.",[11,403,404],{},"Vérifiez donc aussi :",[406,407,408,415,421,427,433,439],"ul",{},[409,410,411,414],"li",{},[14,412,413],{},"Canalisation :"," matériau, isolation et constitution du câble ; les valeurs du tableau valent pour le cuivre.",[409,416,417,420],{},[14,418,419],{},"Mode de pose :"," sous tube, dans un isolant thermique, en apparent, en faisceau ou sur chemin de câbles.",[409,422,423,426],{},[14,424,425],{},"Groupement :"," nombre de conducteurs chargés simultanément et de circuits voisins.",[409,428,429,432],{},[14,430,431],{},"Environnement :"," température ambiante et évacuation de la chaleur.",[409,434,435,438],{},[14,436,437],{},"Longueur et charge :"," la chute de tension sur la longueur réelle.",[409,440,441,444],{},[14,442,443],{},"Court-circuit :"," conditions de coupure, impédance de boucle et pouvoir de coupure du disjoncteur face au courant de court-circuit présumé.",[11,446,447,448,450],{},"Une longue liaison peut demander une section supérieure à cause de la chute de tension, un mode de pose défavorable réduit le courant admissible. Pour les installations non domestiques, le tableau 4.11 ne constitue pas un plafond général ; ",[383,449,393],{}," s’y détermine selon les règles de l’art.",[26,452,454],{"id":453},"chute-de-tension-3-et-5-sont-des-valeurs-guides-pas-une-limite-rgie","Chute de tension : 3 % et 5 % sont des valeurs guides, pas une limite RGIE",[11,456,457,458,461,462,465],{},"La section 5.2.5 (« Chute de tension ») impose de limiter la chute de tension aux valeurs décrites dans les règles de l’art. La sous-section 5.2.1.2 b ajoute qu’elle doit rester compatible avec un fonctionnement sûr des appareils alimentés. Le RGIE ne fixe aucun pourcentage. En pratique, les concepteurs retiennent ",[14,459,460],{},"3 % pour l’éclairage"," et ",[14,463,464],{},"5 % pour les autres circuits terminaux"," : des valeurs guides éprouvées pour un premier contrôle. Pour une longue liaison, un moteur, une borne de recharge ou un appareil sensible, calculez avec les conditions réelles.",[11,467,468,469,474,475,479],{},"Le calcul demande la longueur, le matériau du conducteur, la section, le courant, le facteur de puissance et le réseau (monophasé ou triphasé). Le guide ",[470,471,473],"a",{"href":472},"\u002Ffr\u002Fblog\u002Fchute-de-tension-section-cable","Calcul de chute de tension et choix de la section"," montre comment ces grandeurs interagissent. Plus rapide : le ",[470,476,478],{"href":477},"\u002Ffr\u002Ftools\u002Fcalcul-section-cable","calculateur de section de câble gratuit",".",[26,481,483],{"id":482},"remplacer-un-ancien-fusible-par-un-disjoncteur","Remplacer un ancien fusible par un disjoncteur",[11,485,486],{},"Une infraction classique lors du contrôle : une protection trop grosse pour la section posée. Cas typique : dans une installation ancienne, les fusibles ont été remplacés plus tard par des disjoncteurs sans que personne ne vérifie la canalisation en aval.",[11,488,489],{},"La démarche :",[491,492,493,499,505,511],"ol",{},[409,494,495,498],{},[14,496,497],{},"Identifier la canalisation :"," quelle section et quel type de câble sont réellement posés, et comment ?",[409,500,501,504],{},[14,502,503],{},"Situer l’existant :"," une dérogation de la Partie 8 s’applique-t-elle, par exemple pour du 1 mm² d’avant le 17 mai 1986 ?",[409,506,507,510],{},[14,508,509],{},"Choisir la colonne :"," pour 1,5 mm², le tableau 4.11 admet au plus 10 A en fusible ou 16 A en disjoncteur ; pour 2,5 mm², au plus 16 A ou 20 A.",[409,512,513,516],{},[14,514,515],{},"Vérifier le type de circuit :"," un circuit de prises exige au moins 2,5 mm², quel que soit le disjoncteur.",[11,518,519],{},"Un disjoncteur de 20 A sur 1,5 mm² n’est jamais admis. Le plafond du tableau n’invite pas non plus à augmenter la protection.",[26,521,523],{"id":522},"les-bases-rgie-en-un-coup-dœil","Les bases RGIE en un coup d’œil",[34,525,526,536],{},[37,527,528],{},[40,529,530,533],{},[43,531,532],{},"Référence RGIE",[43,534,535],{},"Contenu",[53,537,538,549,561,569,577],{},[40,539,540,543],{},[58,541,542],{},"Sous-section 4.4.1.4",[58,544,545,546,548],{},"Courant admissible ",[383,547,393],{}," ; tableau 4.11 avec le calibre maximal du fusible et du disjoncteur par section",[40,550,551,554],{},[58,552,553],{},"Sous-section 5.2.1.2",[58,555,556,557,560],{},"Choix des canalisations : ",[383,558,559],{},"I_Z ≥ I_B",", chute de tension compatible, en principe au moins 2,5 mm²",[40,562,563,566],{},[58,564,565],{},"Tableau 5.1",[58,567,568],{},"Exceptions limitatives sous 2,5 mm² : 1,5 mm², 0,75 mm² et 0,5 mm² à usage défini",[40,570,571,574],{},[58,572,573],{},"Section 5.2.5",[58,575,576],{},"Chute de tension limitée aux valeurs décrites dans les règles de l’art",[40,578,579,582],{},[58,580,581],{},"Section 8.2.2, point 5",[58,583,584],{},"Existant d’avant le 17 mai 1986 : EMCB\u002FEMCVB 1 mm² et CTLB\u002FVTLB 0,75 mm² dans des circuits sans prises",[26,586,588],{"id":587},"vérifier-section-et-protection-dans-planelec","Vérifier section et protection dans PlanElec",[11,590,591,592,596,597,601],{},"Dans ",[470,593,595],{"href":594},"\u002Ffr","PlanElec",", vous saisissez pour chaque circuit la protection, la section et la longueur, directement dans le schéma unifilaire. L’autocontrôle vérifie que la section correspond au courant nominal de la protection et calcule la chute de tension à partir de la longueur de câble, par rapport aux valeurs guides de 3 % et 5 %. Les règles couvertes sont détaillées dans ",[470,598,600],{"href":599},"\u002Ffr\u002Fhelp\u002Fce-que-verifie-l-autocontrole","Ce que vérifie l’autocontrôle",". Le mode de pose, le groupement et les mesures sur place relèvent de l’électricien ; le contrôle officiel est réalisé par l’organisme agréé.",[26,603,605],{"id":604},"pour-aller-plus-loin","Pour aller plus loin",[406,607,608,612,618,624,630,636],{},[409,609,610],{},[470,611,473],{"href":472},[409,613,614],{},[470,615,617],{"href":616},"\u002Ffr\u002Fblog\u002Fcontrole-electrique","Contrôle électrique en Belgique",[409,619,620],{},[470,621,623],{"href":622},"\u002Ffr\u002Fblog\u002Fschema-unifilaire","Créer un schéma unifilaire",[409,625,626],{},[470,627,629],{"href":628},"\u002Ffr\u002Fblog\u002Finterrupteur-general-obligatoire-rgie","L’interrupteur général est-il obligatoire selon le RGIE ?",[409,631,632],{},[470,633,635],{"href":634},"\u002Ffr\u002Fblog\u002Fcheminements-et-longueurs-de-cables","Déterminer cheminements et longueurs de câbles sur un plan électrique",[409,637,638],{},[470,639,641],{"href":640},"\u002Ffr\u002Fblog\u002Fpouvoir-de-coupure-disjoncteur-ka","Pouvoir de coupure d’un disjoncteur : 3, 6 ou 10 kA ?",[11,643,644],{},[167,645,646,647,479],{},"Base réglementaire : RGIE Livre 1, version 06, applicable depuis le 1er avril 2026, en particulier 4.4.1.4, 5.2.1.2, 5.2.5 et 8.2.2. Texte officiel : ",[470,648,652],{"href":649,"rel":650},"https:\u002F\u002Feconomie.fgov.be\u002Ffr\u002Fpublications\u002Freglement-general-sur-les",[651],"nofollow","SPF Économie",{"title":654,"searchDepth":655,"depth":655,"links":656},"",2,[657,658,659,660,661,662,663,664,665,666],{"id":28,"depth":655,"text":29},{"id":159,"depth":655,"text":160},{"id":321,"depth":655,"text":322},{"id":366,"depth":655,"text":367},{"id":377,"depth":655,"text":378},{"id":453,"depth":655,"text":454},{"id":482,"depth":655,"text":483},{"id":522,"depth":655,"text":523},{"id":587,"depth":655,"text":588},{"id":604,"depth":655,"text":605},"faq","2026-03-18","Tableau 4.11 du RGIE (disjoncteur max.) : 1,5 mm² = 16 A, 2,5 mm² = 20 A, 4 mm² = 25 A, 6 mm² = 40 A, 10 mm² = 63 A. Prises : 2,5 mm² minimum.","md","2026-10-05","fr",{},true,"\u002Fimages\u002Fblog\u002Feditorial-2026-10-13\u002Fshare\u002Fplanelec-cable-cross-section-breaker-editorial.jpg","\u002Fblog\u002Fcable-cross-section-breaker.fr","8 min",12,{"title":5,"description":669},null,"section-cable-disjoncteur","blog\u002Fcable-cross-section-breaker.fr",[684,685,686,687],"section-cable","disjoncteur","rgie","installation-electrique","7NsciTSeXrOUF9exHwjAHd2ndUAehb6CznrPEfUGy-o",[690,1313,1932,2405],{"id":691,"title":692,"articleId":6,"body":693,"category":667,"date":668,"description":1298,"extension":670,"image":24,"lastUpdated":671,"locale":1299,"meta":1300,"navigation":674,"ogImage":675,"path":1301,"publishDate":668,"readTime":1302,"refreshInterval":678,"seo":1303,"seoTitle":1304,"slug":1305,"stem":1306,"tags":1307,"__hash__":1312},"blog\u002Fblog\u002Fcable-cross-section-breaker.de.md","Kabelquerschnitt für Sicherungsautomat: Welches Kabel für welche Sicherung?",{"type":8,"value":694,"toc":1286},[695,701,706,710,713,813,816,820,823,828,963,966,970,973,1008,1011,1015,1022,1026,1043,1046,1084,1090,1094,1105,1117,1121,1124,1127,1153,1156,1160,1220,1224,1236,1240,1276],[11,696,697,700],{},[14,698,699],{},"In belgischen Wohnanlagen gilt nach AREI-Tabelle 4.11: 1,5 mm² Kupfer verträgt höchstens einen 16-A-Automaten, 2,5 mm² höchstens 20 A, 4 mm² höchstens 25 A und 6 mm² höchstens 40 A."," Steckdosenstromkreise verlegst du nach Unterabschnitt 5.2.1.2 immer mit mindestens 2,5 mm². Die Sicherung schützt dabei das Kabel, nicht das Gerät: Ist der Automat zu groß für den Querschnitt, löst er bei Überlast zu spät aus, und die Leitung überhitzt.",[11,702,703],{},[21,704],{"alt":705,"src":24},"Elektrofachkraft vergleicht Leitungsmaterial am Arbeitstisch.",[26,707,709],{"id":708},"schnellübersicht-automat-mindestquerschnitt","Schnellübersicht: Automat → Mindestquerschnitt",[11,711,712],{},"Diese Übersicht liest Tabelle 4.11 so, wie auf der Baustelle gefragt wird: Der Automat steht fest, gesucht ist der kleinste zulässige Kupferquerschnitt.",[34,714,715,728],{},[37,716,717],{},[40,718,719,722,725],{},[43,720,721],{},"Leitungsschutzschalter",[43,723,724],{},"Mindestquerschnitt Kupfer",[43,726,727],{},"Typische Anwendung",[53,729,730,740,750,759,768,777,787,796,805],{},[40,731,732,734,737],{},[58,733,60],{},[58,735,736],{},"1,5 mm² (Tabelle 4.11 nennt 1 mm², Tabelle 5.1 lässt 1 mm² für neue feste Leitungen nicht zu)",[58,738,739],{},"Beleuchtung",[40,741,742,744,747],{},[58,743,71],{},[58,745,746],{},"1,5 mm²; Steckdosenstromkreise mindestens 2,5 mm² nach 5.2.1.2",[58,748,749],{},"Beleuchtung, Kreise ohne Steckdosen",[40,751,752,754,756],{},[58,753,82],{},[58,755,85],{},[58,757,758],{},"Steckdosenkreis, Gerätestromkreis",[40,760,761,763,765],{},[58,762,93],{},[58,764,96],{},[58,766,767],{},"Endstromkreis mit höherer Last",[40,769,770,772,774],{},[58,771,104],{},[58,773,107],{},[58,775,776],{},"Kochfeld, Durchlauferhitzer",[40,778,779,781,784],{},[58,780,115],{},[58,782,783],{},"6 mm² (Tabellenobergrenze)",[58,785,786],{},"Endstromkreis oder Zuleitung",[40,788,789,791,793],{},[58,790,126],{},[58,792,129],{},[58,794,795],{},"Zuleitung Unterverteilung",[40,797,798,800,802],{},[58,799,137],{},[58,801,140],{},[58,803,804],{},"Zuleitung, Hauptschalter",[40,806,807,809,811],{},[58,808,148],{},[58,810,151],{},[58,812,804],{},[11,814,815],{},"Die Tabelle ist eine Obergrenze für das Schutzorgan, kein fertiges Dimensionierungsergebnis. Verlegeart, Häufung, Umgebungstemperatur und Spannungsfall können einen größeren Querschnitt verlangen; wie du das prüfst, steht weiter unten.",[26,817,819],{"id":818},"die-vollständige-tabelle-411","Die vollständige Tabelle 4.11",[11,821,822],{},"Im AREI steht die Zuordnung in der umgekehrten Richtung: je Leiterquerschnitt das größte zulässige Kaliber der Schutzeinrichtung, getrennt für Schmelzsicherung und Leitungsschutzschalter (Unterabschnitt 4.4.1.4, gilt für hauswirtschaftliche Anlagen).",[11,824,825],{},[167,826,827],{},"Tabelle 4.11 — Kaliber der Schutzeinrichtung je nach Leiterquerschnitt (AREI 4.4.1.4)",[34,829,830,846],{},[37,831,832],{},[40,833,834,837,840,843],{},[43,835,836],{},"Leiterquerschnitt",[43,838,839],{},"Max. Schmelzsicherung",[43,841,842],{},"Max. Leitungsschutzschalter",[43,844,845],{},"Einsatz in hauswirtschaftlichen Anlagen",[53,847,848,859,870,881,892,903,913,923,933,943,953],{},[40,849,850,852,854,856],{},[58,851,195],{},[58,853,198],{},[58,855,201],{},[58,857,858],{},"nur Steuer-, Überwachungs-, Melde- und Messkreise",[40,860,861,863,865,867],{},[58,862,209],{},[58,864,201],{},[58,866,214],{},[58,868,869],{},"nur integrierte Stromkreise in Verteilern",[40,871,872,874,876,878],{},[58,873,222],{},[58,875,214],{},[58,877,60],{},[58,879,880],{},"nur als Bestand vor dem 17. Mai 1986 (Teil 8)",[40,882,883,885,887,889],{},[58,884,234],{},[58,886,60],{},[58,888,71],{},[58,890,891],{},"Stromkreise ohne Steckdosen",[40,893,894,896,898,900],{},[58,895,85],{},[58,897,71],{},[58,899,82],{},[58,901,902],{},"allgemein zulässig",[40,904,905,907,909,911],{},[58,906,96],{},[58,908,82],{},[58,910,93],{},[58,912,902],{},[40,914,915,917,919,921],{},[58,916,107],{},[58,918,104],{},[58,920,115],{},[58,922,902],{},[40,924,925,927,929,931],{},[58,926,129],{},[58,928,279],{},[58,930,126],{},[58,932,902],{},[40,934,935,937,939,941],{},[58,936,140],{},[58,938,126],{},[58,940,137],{},[58,942,902],{},[40,944,945,947,949,951],{},[58,946,151],{},[58,948,137],{},[58,950,148],{},[58,952,902],{},[40,954,955,957,959,961],{},[58,956,308],{},[58,958,148],{},[58,960,313],{},[58,962,902],{},[11,964,965],{},"Die beiden Spalten sind nicht austauschbar. Für dieselbe Leitung liegt die Grenze der Schmelzsicherung eine Stufe unter der des Automaten. Wer bei 2,5 mm² eine 16-A-Schmelzsicherung durch einen 20-A-Automaten ersetzt, erhöht den Nennstrom und muss den Stromkreis neu bewerten.",[26,967,969],{"id":968},"tabelle-51-die-ausnahmen-unter-25-mm","Tabelle 5.1: die Ausnahmen unter 2,5 mm²",[11,971,972],{},"Unterabschnitt 5.2.1.2 verbietet isolierte Leiter unter 2,5 mm², wenn sie nicht fester Bestandteil einer Maschine oder eines Geräts sind. Tabelle 5.1 zählt die Ausnahmen abschließend auf:",[34,974,975,985],{},[37,976,977],{},[40,978,979,982],{},[43,980,981],{},"Mindestquerschnitt",[43,983,984],{},"Nur für",[53,986,987,994,1001],{},[40,988,989,991],{},[58,990,234],{},[58,992,993],{},"Stromkreise ohne Steckdosen; erlaubt ist nur eine einzelne, in eine Leuchte integrierte Steckdose bis 2,5 A",[40,995,996,998],{},[58,997,209],{},[58,999,1000],{},"in Verteiler- und Schaltgerätekombinationen integrierte Stromkreise, die eine Einzelsteckdose versorgen",[40,1002,1003,1005],{},[58,1004,195],{},[58,1006,1007],{},"Steuer-, Überwachungs-, Melde- und Messkreise",[11,1009,1010],{},"Die 1-mm²-Zeile aus Tabelle 4.11 ist also keine Freigabe für neue 1-mm²-Leitungen. Tabelle 4.11 legt fest, wie groß das Schutzorgan höchstens sein darf; ob der Querschnitt überhaupt verlegt werden darf, regelt Tabelle 5.1.",[26,1012,1014],{"id":1013},"bestand-1-mm-leitungen-aus-altanlagen","Bestand: 1-mm²-Leitungen aus Altanlagen",[11,1016,1017,1018,1021],{},"Für bestehende hauswirtschaftliche Anlagen enthält Abschnitt 8.2.2 (Punkt 5, Wahl von elektrischen Leitungen) eine eng begrenzte Abweichung: Leitungen des Typs EMCB und EMCVB mit 1 mm² sowie CTLB und VTLB mit 0,75 mm² dürfen in Betrieb bleiben, wenn mit der Errichtung vor Ort vor dem ",[14,1019,1020],{},"17. Mai 1986"," begonnen wurde und sie zu Stromkreisen ohne Steckdosen gehören. Ihre Schutzeinrichtungen müssen zum Querschnitt passen. Das ist Bestandsschutz für Altanlagen, keine Regel für neue Leitungen. Baujahr und tatsächlicher Leitungstyp müssen bei der Kontrolle belegbar sein.",[26,1023,1025],{"id":1024},"was-die-tabelle-nicht-entscheidet","Was die Tabelle nicht entscheidet",[11,1027,1028,1029,1031,1032,1034,1035,1037,1038,398,1040,1042],{},"Die vollständige Auswahl verknüpft drei Ströme: den Betriebsstrom der Last ",[383,1030,385],{},", den Nennstrom des Schutzorgans ",[383,1033,389],{}," und die Strombelastbarkeit der Leitung ",[383,1036,393],{},". Grundsätzlich gilt ",[383,1039,397],{},[383,1041,393],{}," ist kein fester Wert je mm²: Unterabschnitt 4.4.1.4 macht ihn abhängig von Querschnitt, Isolierung, Leitungsaufbau, Verlegeart und Umgebungstemperatur.",[11,1044,1045],{},"Prüfe deshalb zusätzlich:",[406,1047,1048,1054,1060,1066,1072,1078],{},[409,1049,1050,1053],{},[14,1051,1052],{},"Leitung:"," Werkstoff, Isolierung und Aufbau des Kabels; die Tabellenwerte gelten für Kupfer.",[409,1055,1056,1059],{},[14,1057,1058],{},"Verlegeart:"," im Rohr, in Wärmedämmung, auf der Wand, gebündelt oder auf der Kabelrinne.",[409,1061,1062,1065],{},[14,1063,1064],{},"Häufung:"," Anzahl gleichzeitig belasteter Leiter und Stromkreise nebeneinander.",[409,1067,1068,1071],{},[14,1069,1070],{},"Umgebung:"," Umgebungstemperatur und Wärmeabfuhr.",[409,1073,1074,1077],{},[14,1075,1076],{},"Länge und Last:"," der Spannungsfall auf der realen Leitungslänge.",[409,1079,1080,1083],{},[14,1081,1082],{},"Kurzschluss:"," Abschaltbedingungen, Schleifenimpedanz und Ausschaltvermögen des Automaten gegenüber dem zu erwartenden Kurzschlussstrom.",[11,1085,1086,1087,1089],{},"Eine lange Leitung kann wegen des Spannungsfalls einen größeren Querschnitt brauchen, eine ungünstige Verlegeart senkt die Strombelastbarkeit. Für nicht-hauswirtschaftliche Anlagen gilt Tabelle 4.11 nicht als pauschale Obergrenze; dort bestimmst du ",[383,1088,393],{}," nach den Regeln des Fachs.",[26,1091,1093],{"id":1092},"spannungsfall-3-und-5-sind-richtwerte-keine-arei-grenze","Spannungsfall: 3 % und 5 % sind Richtwerte, keine AREI-Grenze",[11,1095,1096,1097,1100,1101,1104],{},"Abschnitt 5.2.5 („Spannungsänderung“) verlangt, den Spannungsfall auf die Werte aus den Regeln des Fachs zu begrenzen. Unterabschnitt 5.2.1.2 b ergänzt, dass er mit dem sicheren Betrieb der versorgten Geräte vereinbar sein muss. Eine feste Prozentzahl nennt das AREI nicht. In der Praxis rechnen Planer mit ",[14,1098,1099],{},"3 % für Beleuchtung"," und ",[14,1102,1103],{},"5 % für andere Endstromkreise","; das sind bewährte Richtwerte für die Vorprüfung. Bei langen Leitungen, Motoren, Ladepunkten oder empfindlichen Geräten rechnest du mit den konkreten Bedingungen.",[11,1106,1107,1108,1112,1113,479],{},"Für die Berechnung brauchst du Leitungslänge, Leiterwerkstoff, Querschnitt, Strom, Leistungsfaktor und das Netz (ein- oder dreiphasig). Wie diese Größen zusammenwirken, zeigt der Leitfaden ",[470,1109,1111],{"href":1110},"\u002Fde\u002Fblog\u002Fspannungsfall-berechnen-kabelquerschnitt","Spannungsfall berechnen und Kabelquerschnitt wählen",". Schneller geht es mit dem ",[470,1114,1116],{"href":1115},"\u002Fde\u002Ftools\u002Fkabelquerschnitt-rechner","kostenlosen Kabelquerschnitt-Rechner",[26,1118,1120],{"id":1119},"alte-schmelzsicherung-gegen-automat-tauschen","Alte Schmelzsicherung gegen Automat tauschen",[11,1122,1123],{},"Ein klassischer Mangel bei der Keuring ist ein Schutzorgan, das zu groß für den verlegten Querschnitt ist. Typischer Fall: In einer Altanlage wurden Schmelzsicherungen später durch Automaten ersetzt, und niemand hat den Querschnitt dahinter kontrolliert.",[11,1125,1126],{},"So gehst du vor:",[491,1128,1129,1135,1141,1147],{},[409,1130,1131,1134],{},[14,1132,1133],{},"Leitung feststellen:"," Welcher Querschnitt und welcher Kabeltyp liegen tatsächlich, wie sind sie verlegt?",[409,1136,1137,1140],{},[14,1138,1139],{},"Bestand einordnen:"," Greift eine Abweichung aus Teil 8, etwa für 1-mm²-Leitungen vor dem 17. Mai 1986?",[409,1142,1143,1146],{},[14,1144,1145],{},"Spalte wählen:"," Für 1,5 mm² nennt Tabelle 4.11 höchstens 10 A Schmelzsicherung oder 16 A Automat, für 2,5 mm² höchstens 16 A oder 20 A.",[409,1148,1149,1152],{},[14,1150,1151],{},"Stromkreisart prüfen:"," Ein Steckdosenstromkreis braucht unabhängig vom Automaten mindestens 2,5 mm².",[11,1154,1155],{},"Ein 20-A-Automat auf 1,5 mm² ist in keinem Fall zulässig. Die Tabellengrenze ist auch kein Auftrag, die Absicherung hochzusetzen.",[26,1157,1159],{"id":1158},"arei-grundlagen-im-überblick","AREI-Grundlagen im Überblick",[34,1161,1162,1172],{},[37,1163,1164],{},[40,1165,1166,1169],{},[43,1167,1168],{},"AREI-Fundstelle",[43,1170,1171],{},"Regelung",[53,1173,1174,1185,1196,1204,1212],{},[40,1175,1176,1179],{},[58,1177,1178],{},"Unterabschnitt 4.4.1.4",[58,1180,1181,1182,1184],{},"Strombelastbarkeit ",[383,1183,393],{},"; Tabelle 4.11 mit dem größten Kaliber von Sicherung und Automat je Querschnitt (Wohnanlagen)",[40,1186,1187,1190],{},[58,1188,1189],{},"Unterabschnitt 5.2.1.2",[58,1191,1192,1193,1195],{},"Wahl der Leitungen: ",[383,1194,559],{},", verträglicher Spannungsfall, grundsätzlich mindestens 2,5 mm²",[40,1197,1198,1201],{},[58,1199,1200],{},"Tabelle 5.1",[58,1202,1203],{},"Abschließende Ausnahmen unter 2,5 mm²: 1,5 mm², 0,75 mm² und 0,5 mm² mit festgelegtem Einsatz",[40,1205,1206,1209],{},[58,1207,1208],{},"Abschnitt 5.2.5",[58,1210,1211],{},"Spannungsänderung auf die in den Regeln des Fachs beschriebenen Werte begrenzen",[40,1213,1214,1217],{},[58,1215,1216],{},"Abschnitt 8.2.2, Punkt 5",[58,1218,1219],{},"Bestand vor dem 17. Mai 1986: EMCB\u002FEMCVB 1 mm² und CTLB\u002FVTLB 0,75 mm² in Kreisen ohne Steckdosen",[26,1221,1223],{"id":1222},"querschnitt-und-absicherung-in-planelec-prüfen","Querschnitt und Absicherung in PlanElec prüfen",[11,1225,1226,1227,1230,1231,1235],{},"In ",[470,1228,595],{"href":1229},"\u002Fde"," erfasst du für jeden Stromkreis Schutzorgan, Querschnitt und Leitungslänge direkt im Eindrahtschema. Die Selbstprüfung gleicht ab, ob der Querschnitt zum Nennstrom der Absicherung passt, und berechnet den Spannungsfall aus der Kabellänge gegen die Richtwerte 3 % und 5 %. Welche Regeln sie genau abdeckt, zeigt ",[470,1232,1234],{"href":1233},"\u002Fde\u002Fhelp\u002Fwas-die-selbstpruefung-kontrolliert","Was die Selbstprüfung kontrolliert",". Verlegeart, Häufung und Messwerte vor Ort beurteilt die Elektrofachkraft; die Abnahme macht die zugelassene Kontrollstelle.",[26,1237,1239],{"id":1238},"verwandte-artikel","Verwandte Artikel",[406,1241,1242,1246,1252,1258,1264,1270],{},[409,1243,1244],{},[470,1245,1111],{"href":1110},[409,1247,1248],{},[470,1249,1251],{"href":1250},"\u002Fde\u002Fblog\u002Feindrahtschema-erstellen","Eindrahtschema Schritt für Schritt erstellen",[409,1253,1254],{},[470,1255,1257],{"href":1256},"\u002Fde\u002Fblog\u002Finspektions-checkliste","Was kontrolliert der Prüfer bei der Elektrokontrolle?",[409,1259,1260],{},[470,1261,1263],{"href":1262},"\u002Fde\u002Fblog\u002Fhauptschalter-pflicht-arei","Ist ein Hauptschalter nach AREI Pflicht?",[409,1265,1266],{},[470,1267,1269],{"href":1268},"\u002Fde\u002Fblog\u002Fkabelwege-und-leitungslaengen-ermitteln","Kabelwege und Leitungslängen im Elektroplan ermitteln",[409,1271,1272],{},[470,1273,1275],{"href":1274},"\u002Fde\u002Fblog\u002Fausschaltvermoegen-leitungsschutzschalter-ka","Ausschaltvermögen von Leitungsschutzschaltern: 3, 6 oder 10 kA?",[11,1277,1278],{},[167,1279,1280,1281,479],{},"Regelgrundlage: AREI Buch 1, Version 06, anwendbar seit 1. April 2026, insbesondere 4.4.1.4, 5.2.1.2, 5.2.5 und 8.2.2. Amtliche Fassung: ",[470,1282,1285],{"href":1283,"rel":1284},"https:\u002F\u002Feconomie.fgov.be\u002Fde\u002Fpublication\u002Fallgemeine-vorschriften-fuer",[651],"FÖD Wirtschaft",{"title":654,"searchDepth":655,"depth":655,"links":1287},[1288,1289,1290,1291,1292,1293,1294,1295,1296,1297],{"id":708,"depth":655,"text":709},{"id":818,"depth":655,"text":819},{"id":968,"depth":655,"text":969},{"id":1013,"depth":655,"text":1014},{"id":1024,"depth":655,"text":1025},{"id":1092,"depth":655,"text":1093},{"id":1119,"depth":655,"text":1120},{"id":1158,"depth":655,"text":1159},{"id":1222,"depth":655,"text":1223},{"id":1238,"depth":655,"text":1239},"Welcher Kabelquerschnitt passt zu 16, 20 oder 32 A? Tabelle 4.11 des AREI, Mindestquerschnitte für Steckdosen und was du zusätzlich prüfen musst.","de",{},"\u002Fblog\u002Fcable-cross-section-breaker.de","7 min",{"title":692,"description":1298},"Kabelquerschnitt und Sicherung: Welches Kabel für 16\u002F20 A?","kabelquerschnitt-sicherungsautomat","blog\u002Fcable-cross-section-breaker.de",[1308,1309,1310,1311],"kabelquerschnitt","sicherungsautomat","arei","elektroinstallation","DIRIw06yKSIfpv-Lxkai8gTf1p7O7Ry0sND1Yv83eLE",{"id":1314,"title":1315,"articleId":6,"body":1316,"category":667,"date":668,"description":1920,"extension":670,"image":24,"lastUpdated":671,"locale":1921,"meta":1922,"navigation":674,"ogImage":675,"path":1923,"publishDate":668,"readTime":1302,"refreshInterval":678,"seo":1924,"seoTitle":1925,"slug":6,"stem":1926,"tags":1927,"__hash__":1931},"blog\u002Fblog\u002Fcable-cross-section-breaker.en.md","Cable Cross-Section per Circuit Breaker: Which Cable for Which Protection?",{"type":8,"value":1317,"toc":1908},[1318,1324,1329,1333,1336,1437,1440,1444,1447,1452,1590,1593,1597,1600,1634,1637,1641,1648,1652,1669,1672,1710,1716,1720,1731,1743,1747,1750,1753,1779,1782,1786,1844,1848,1859,1863,1899],[11,1319,1320,1323],{},[14,1321,1322],{},"In Belgian domestic installations, AREI Table 4.11 sets the largest breaker per copper cross-section: 16 A on 1.5 mm², 20 A on 2.5 mm², 25 A on 4 mm² and 40 A on 6 mm²."," Socket-outlet circuits always use at least 2.5 mm² under subsection 5.2.1.2. The protective device protects the cable, not the appliance: a breaker that is too large for the cross-section trips too late on overload, and the cable overheats.",[11,1325,1326],{},[21,1327],{"alt":1328,"src":24},"An electrician compares cable materials on a workbench.",[26,1330,1332],{"id":1331},"quick-reference-breaker-minimum-cross-section","Quick reference: breaker → minimum cross-section",[11,1334,1335],{},"This overview reads Table 4.11 the way the question comes up on site: the breaker is given, and you need the smallest permitted copper cross-section.",[34,1337,1338,1351],{},[37,1339,1340],{},[40,1341,1342,1345,1348],{},[43,1343,1344],{},"Circuit breaker",[43,1346,1347],{},"Minimum copper cross-section",[43,1349,1350],{},"Typical use",[53,1352,1353,1363,1373,1383,1392,1401,1411,1420,1429],{},[40,1354,1355,1357,1360],{},[58,1356,60],{},[58,1358,1359],{},"1.5 mm² (Table 4.11 lists 1 mm², but Table 5.1 does not allow 1 mm² for new fixed wiring)",[58,1361,1362],{},"Lighting",[40,1364,1365,1367,1370],{},[58,1366,71],{},[58,1368,1369],{},"1.5 mm²; socket-outlet circuits at least 2.5 mm² under 5.2.1.2",[58,1371,1372],{},"Lighting, circuits without sockets",[40,1374,1375,1377,1380],{},[58,1376,82],{},[58,1378,1379],{},"2.5 mm²",[58,1381,1382],{},"Socket circuit, appliance circuit",[40,1384,1385,1387,1389],{},[58,1386,93],{},[58,1388,96],{},[58,1390,1391],{},"Final circuit with a higher load",[40,1393,1394,1396,1398],{},[58,1395,104],{},[58,1397,107],{},[58,1399,1400],{},"Hob, instantaneous water heater",[40,1402,1403,1405,1408],{},[58,1404,115],{},[58,1406,1407],{},"6 mm² (table ceiling)",[58,1409,1410],{},"Final circuit or supply cable",[40,1412,1413,1415,1417],{},[58,1414,126],{},[58,1416,129],{},[58,1418,1419],{},"Supply to a sub-distribution board",[40,1421,1422,1424,1426],{},[58,1423,137],{},[58,1425,140],{},[58,1427,1428],{},"Supply cable, main switch",[40,1430,1431,1433,1435],{},[58,1432,148],{},[58,1434,151],{},[58,1436,1428],{},[11,1438,1439],{},"The table is a ceiling for the protective device, not a finished cable calculation. Installation method, grouping, ambient temperature and voltage drop can require a larger cross-section; how to check them follows below.",[26,1441,1443],{"id":1442},"the-complete-table-411","The complete Table 4.11",[11,1445,1446],{},"The AREI states the relationship the other way round: for each conductor cross-section, the largest permitted rating of the protective device, separately for fuses and circuit breakers (subsection 4.4.1.4, applicable to domestic installations).",[11,1448,1449],{},[167,1450,1451],{},"Table 4.11 — Protective device rating by conductor cross-section (AREI 4.4.1.4)",[34,1453,1454,1470],{},[37,1455,1456],{},[40,1457,1458,1461,1464,1467],{},[43,1459,1460],{},"Conductor cross-section",[43,1462,1463],{"align":181},"Max. fuse",[43,1465,1466],{"align":181},"Max. circuit breaker",[43,1468,1469],{},"Use in domestic installations",[53,1471,1472,1484,1496,1507,1519,1530,1540,1550,1560,1570,1580],{},[40,1473,1474,1477,1479,1481],{},[58,1475,1476],{},"0.5 mm²",[58,1478,198],{"align":181},[58,1480,201],{"align":181},[58,1482,1483],{},"control, monitoring, signalling and measuring circuits only",[40,1485,1486,1489,1491,1493],{},[58,1487,1488],{},"0.75 mm²",[58,1490,201],{"align":181},[58,1492,214],{"align":181},[58,1494,1495],{},"circuits integrated in distribution boards only",[40,1497,1498,1500,1502,1504],{},[58,1499,222],{},[58,1501,214],{"align":181},[58,1503,60],{"align":181},[58,1505,1506],{},"existing wiring from before 17 May 1986 only (Part 8)",[40,1508,1509,1512,1514,1516],{},[58,1510,1511],{},"1.5 mm²",[58,1513,60],{"align":181},[58,1515,71],{"align":181},[58,1517,1518],{},"circuits without socket outlets",[40,1520,1521,1523,1525,1527],{},[58,1522,1379],{},[58,1524,71],{"align":181},[58,1526,82],{"align":181},[58,1528,1529],{},"generally permitted",[40,1531,1532,1534,1536,1538],{},[58,1533,96],{},[58,1535,82],{"align":181},[58,1537,93],{"align":181},[58,1539,1529],{},[40,1541,1542,1544,1546,1548],{},[58,1543,107],{},[58,1545,104],{"align":181},[58,1547,115],{"align":181},[58,1549,1529],{},[40,1551,1552,1554,1556,1558],{},[58,1553,129],{},[58,1555,279],{"align":181},[58,1557,126],{"align":181},[58,1559,1529],{},[40,1561,1562,1564,1566,1568],{},[58,1563,140],{},[58,1565,126],{"align":181},[58,1567,137],{"align":181},[58,1569,1529],{},[40,1571,1572,1574,1576,1578],{},[58,1573,151],{},[58,1575,137],{"align":181},[58,1577,148],{"align":181},[58,1579,1529],{},[40,1581,1582,1584,1586,1588],{},[58,1583,308],{},[58,1585,148],{"align":181},[58,1587,313],{"align":181},[58,1589,1529],{},[11,1591,1592],{},"The two columns are not interchangeable. For the same cable, the fuse limit sits one step below the breaker limit. Replacing a 16 A fuse with a 20 A breaker on 2.5 mm² raises the rated current, so the circuit needs a fresh assessment.",[26,1594,1596],{"id":1595},"table-51-the-exceptions-below-25-mm","Table 5.1: the exceptions below 2.5 mm²",[11,1598,1599],{},"Subsection 5.2.1.2 prohibits insulated conductors smaller than 2.5 mm² unless they are an integral part of a machine or appliance. Table 5.1 lists the exceptions exhaustively:",[34,1601,1602,1611],{},[37,1603,1604],{},[40,1605,1606,1608],{},[43,1607,334],{},[43,1609,1610],{},"Only for",[53,1612,1613,1620,1627],{},[40,1614,1615,1617],{},[58,1616,1511],{},[58,1618,1619],{},"circuits without socket outlets; only a single socket of up to 2.5 A built into a luminaire is allowed",[40,1621,1622,1624],{},[58,1623,1488],{},[58,1625,1626],{},"circuits integrated in switchgear and controlgear assemblies that supply a single socket outlet",[40,1628,1629,1631],{},[58,1630,1476],{},[58,1632,1633],{},"control, monitoring, signalling and measuring circuits",[11,1635,1636],{},"The 1 mm² row in Table 4.11 therefore does not permit new 1 mm² wiring. Table 4.11 sets how large the protective device may be; Table 5.1 decides whether that cross-section may be installed at all.",[26,1638,1640],{"id":1639},"existing-installations-1-mm-wiring","Existing installations: 1 mm² wiring",[11,1642,1643,1644,1647],{},"For existing parts of domestic installations, section 8.2.2 (point 5, choice of wiring systems) contains a narrowly defined derogation: EMCB and EMCVB wiring of 1 mm² and CTLB and VTLB wiring of 0.75 mm² may remain in service if on-site execution began before ",[14,1645,1646],{},"17 May 1986"," and the wiring belongs to circuits without socket outlets. Their protective devices must suit the cross-section. This protects existing wiring; it is not a rule for new work. The age of the installation and the actual cable type must be demonstrable at inspection.",[26,1649,1651],{"id":1650},"what-the-table-does-not-decide","What the table does not decide",[11,1653,1654,1655,1657,1658,1660,1661,1663,1664,398,1666,1668],{},"A complete selection links three currents: the design current of the load ",[383,1656,385],{},", the rated current of the protective device ",[383,1659,389],{}," and the current-carrying capacity of the cable ",[383,1662,393],{},". As a rule, ",[383,1665,397],{},[383,1667,393],{}," is not a fixed value per mm²: subsection 4.4.1.4 makes it depend on cross-section, insulation, cable construction, installation method and ambient temperature.",[11,1670,1671],{},"So also check:",[406,1673,1674,1680,1686,1692,1698,1704],{},[409,1675,1676,1679],{},[14,1677,1678],{},"Cable:"," material, insulation and construction; the table values apply to copper.",[409,1681,1682,1685],{},[14,1683,1684],{},"Installation method:"," in conduit, in thermal insulation, on the wall, bundled or on a cable tray.",[409,1687,1688,1691],{},[14,1689,1690],{},"Grouping:"," the number of simultaneously loaded conductors and neighbouring circuits.",[409,1693,1694,1697],{},[14,1695,1696],{},"Environment:"," ambient temperature and heat dissipation.",[409,1699,1700,1703],{},[14,1701,1702],{},"Length and load:"," voltage drop over the actual cable length.",[409,1705,1706,1709],{},[14,1707,1708],{},"Short circuit:"," disconnection conditions, fault-loop impedance and the breaker's breaking capacity against the prospective short-circuit current.",[11,1711,1712,1713,1715],{},"A long run may need a larger cross-section because of voltage drop, and an unfavourable installation method lowers the current-carrying capacity. For non-domestic installations, Table 4.11 is not a blanket ceiling; there you determine ",[383,1714,393],{}," according to the rules of good practice.",[26,1717,1719],{"id":1718},"voltage-drop-3-and-5-are-guide-values-not-an-arei-limit","Voltage drop: 3% and 5% are guide values, not an AREI limit",[11,1721,1722,1723,1726,1727,1730],{},"Section 5.2.5 (\"Voltage drop\") requires voltage drop to be limited to the values described in the rules of good practice. Subsection 5.2.1.2 b adds that it must be compatible with safe operation of the connected equipment. The AREI sets no percentage. In practice, designers work with ",[14,1724,1725],{},"3% for lighting"," and ",[14,1728,1729],{},"5% for other final circuits",": proven guide values for a first check. For long runs, motors, EV charging points or sensitive equipment, calculate with the actual conditions.",[11,1732,1733,1734,1738,1739,479],{},"The calculation needs cable length, conductor material, cross-section, current, power factor and the supply (single- or three-phase). The guide ",[470,1735,1737],{"href":1736},"\u002Fen\u002Fblog\u002Fvoltage-drop-cable-sizing","Voltage drop and cable sizing"," shows how they interact. For a quick answer, use the ",[470,1740,1742],{"href":1741},"\u002Fen\u002Ftools\u002Fcable-sizing-calculator-belgium","free cable sizing calculator",[26,1744,1746],{"id":1745},"replacing-an-old-fuse-with-a-circuit-breaker","Replacing an old fuse with a circuit breaker",[11,1748,1749],{},"A classic inspection finding is a protective device that is too large for the installed cross-section. Typical case: in an older installation, fuses were later replaced by breakers and nobody checked the cable behind them.",[11,1751,1752],{},"How to approach it:",[491,1754,1755,1761,1767,1773],{},[409,1756,1757,1760],{},[14,1758,1759],{},"Identify the cable:"," which cross-section and cable type are actually installed, and how?",[409,1762,1763,1766],{},[14,1764,1765],{},"Classify the existing wiring:"," does a Part 8 derogation apply, for example to 1 mm² wiring from before 17 May 1986?",[409,1768,1769,1772],{},[14,1770,1771],{},"Pick the column:"," for 1.5 mm², Table 4.11 allows at most a 10 A fuse or a 16 A breaker; for 2.5 mm², at most 16 A or 20 A.",[409,1774,1775,1778],{},[14,1776,1777],{},"Check the circuit type:"," a socket-outlet circuit needs at least 2.5 mm², regardless of the breaker.",[11,1780,1781],{},"A 20 A breaker on 1.5 mm² is never permitted. The table ceiling is not an invitation to raise the protection either.",[26,1783,1785],{"id":1784},"arei-basis-at-a-glance","AREI basis at a glance",[34,1787,1788,1798],{},[37,1789,1790],{},[40,1791,1792,1795],{},[43,1793,1794],{},"AREI reference",[43,1796,1797],{},"Rule",[53,1799,1800,1811,1822,1830,1837],{},[40,1801,1802,1805],{},[58,1803,1804],{},"Subsection 4.4.1.4",[58,1806,1807,1808,1810],{},"Current-carrying capacity ",[383,1809,393],{},"; Table 4.11 with the maximum fuse and breaker rating per cross-section",[40,1812,1813,1816],{},[58,1814,1815],{},"Subsection 5.2.1.2",[58,1817,1818,1819,1821],{},"Choice of wiring: ",[383,1820,559],{},", compatible voltage drop, in principle at least 2.5 mm²",[40,1823,1824,1827],{},[58,1825,1826],{},"Table 5.1",[58,1828,1829],{},"Exhaustive exceptions below 2.5 mm²: 1.5 mm², 0.75 mm² and 0.5 mm² for defined uses",[40,1831,1832,1834],{},[58,1833,573],{},[58,1835,1836],{},"Voltage drop limited to the values described in the rules of good practice",[40,1838,1839,1841],{},[58,1840,581],{},[58,1842,1843],{},"Existing before 17 May 1986: EMCB\u002FEMCVB 1 mm² and CTLB\u002FVTLB 0.75 mm² in circuits without sockets",[26,1845,1847],{"id":1846},"checking-cross-section-and-protection-in-planelec","Checking cross-section and protection in PlanElec",[11,1849,1226,1850,1853,1854,1858],{},[470,1851,595],{"href":1852},"\u002Fen",", you record the protective device, cross-section and length for every circuit directly in the single-line diagram. The self-check verifies that the cross-section matches the rated current of the protection and calculates voltage drop from the cable length against the 3% and 5% guide values. The exact rule coverage is listed in ",[470,1855,1857],{"href":1856},"\u002Fen\u002Fhelp\u002Fwhat-the-self-check-verifies","What the self-check verifies",". Installation method, grouping and on-site measurements are assessed by the electrician; the official inspection is carried out by the accredited inspection body.",[26,1860,1862],{"id":1861},"further-reading","Further reading",[406,1864,1865,1869,1875,1881,1887,1893],{},[409,1866,1867],{},[470,1868,1737],{"href":1736},[409,1870,1871],{},[470,1872,1874],{"href":1873},"\u002Fen\u002Fblog\u002Felectrical-inspection","Electrical inspection in Belgium",[409,1876,1877],{},[470,1878,1880],{"href":1879},"\u002Fen\u002Fblog\u002Fsingle-line-diagram","Create a single-line diagram",[409,1882,1883],{},[470,1884,1886],{"href":1885},"\u002Fen\u002Fblog\u002Fmain-switch-mandatory-arei","Is a main switch mandatory under AREI?",[409,1888,1889],{},[470,1890,1892],{"href":1891},"\u002Fen\u002Fblog\u002Fcable-routes-and-lengths","Determining cable routes and lengths on an electrical plan",[409,1894,1895],{},[470,1896,1898],{"href":1897},"\u002Fen\u002Fblog\u002Fbreaking-capacity-mcb-ka","Breaking capacity of an MCB: 3, 6 or 10 kA?",[11,1900,1901],{},[167,1902,1903,1904,479],{},"Regulatory basis: AREI\u002FRGIE Book 1, version 06, applicable since 1 April 2026, in particular 4.4.1.4, 5.2.1.2, 5.2.5 and 8.2.2. Official text: ",[470,1905,1907],{"href":649,"rel":1906},[651],"FPS Economy",{"title":654,"searchDepth":655,"depth":655,"links":1909},[1910,1911,1912,1913,1914,1915,1916,1917,1918,1919],{"id":1331,"depth":655,"text":1332},{"id":1442,"depth":655,"text":1443},{"id":1595,"depth":655,"text":1596},{"id":1639,"depth":655,"text":1640},{"id":1650,"depth":655,"text":1651},{"id":1718,"depth":655,"text":1719},{"id":1745,"depth":655,"text":1746},{"id":1784,"depth":655,"text":1785},{"id":1846,"depth":655,"text":1847},{"id":1861,"depth":655,"text":1862},"Which cable cross-section for a 16, 20 or 32 A breaker in Belgium? AREI\u002FRGIE Table 4.11, minimum sizes for socket circuits and what else you need to check.","en",{},"\u002Fblog\u002Fcable-cross-section-breaker.en",{"title":1315,"description":1920},"Cable Cross-Section per Breaker: Which Cable for 16\u002F20 A?","blog\u002Fcable-cross-section-breaker.en",[1928,1929,1310,1930],"cable-cross-section","circuit-breaker","electrical-installation","WQ7LmSZguvbNevdkYyWFgg2I8iWnAJPqfc03KJ5y5eQ",{"id":4,"title":5,"articleId":6,"body":1933,"category":667,"date":668,"description":669,"extension":670,"image":24,"lastUpdated":671,"locale":672,"meta":2402,"navigation":674,"ogImage":675,"path":676,"publishDate":668,"readTime":677,"refreshInterval":678,"seo":2403,"seoTitle":680,"slug":681,"stem":682,"tags":2404,"__hash__":688},{"type":8,"value":1934,"toc":2390},[1935,1939,1943,1945,1947,2033,2035,2037,2039,2043,2169,2171,2173,2175,2205,2207,2209,2213,2215,2227,2229,2255,2259,2261,2267,2273,2275,2277,2279,2297,2299,2301,2347,2349,2355,2357,2383],[11,1936,1937,17],{},[14,1938,16],{},[11,1940,1941],{},[21,1942],{"alt":23,"src":24},[26,1944,29],{"id":28},[11,1946,32],{},[34,1948,1949,1959],{},[37,1950,1951],{},[40,1952,1953,1955,1957],{},[43,1954,45],{},[43,1956,48],{},[43,1958,51],{},[53,1960,1961,1969,1977,1985,1993,2001,2009,2017,2025],{},[40,1962,1963,1965,1967],{},[58,1964,60],{},[58,1966,63],{},[58,1968,66],{},[40,1970,1971,1973,1975],{},[58,1972,71],{},[58,1974,74],{},[58,1976,77],{},[40,1978,1979,1981,1983],{},[58,1980,82],{},[58,1982,85],{},[58,1984,88],{},[40,1986,1987,1989,1991],{},[58,1988,93],{},[58,1990,96],{},[58,1992,99],{},[40,1994,1995,1997,1999],{},[58,1996,104],{},[58,1998,107],{},[58,2000,110],{},[40,2002,2003,2005,2007],{},[58,2004,115],{},[58,2006,118],{},[58,2008,121],{},[40,2010,2011,2013,2015],{},[58,2012,126],{},[58,2014,129],{},[58,2016,132],{},[40,2018,2019,2021,2023],{},[58,2020,137],{},[58,2022,140],{},[58,2024,143],{},[40,2026,2027,2029,2031],{},[58,2028,148],{},[58,2030,151],{},[58,2032,143],{},[11,2034,156],{},[26,2036,160],{"id":159},[11,2038,163],{},[11,2040,2041],{},[167,2042,169],{},[34,2044,2045,2057],{},[37,2046,2047],{},[40,2048,2049,2051,2053,2055],{},[43,2050,178],{},[43,2052,182],{"align":181},[43,2054,185],{"align":181},[43,2056,188],{},[53,2058,2059,2069,2079,2089,2099,2109,2119,2129,2139,2149,2159],{},[40,2060,2061,2063,2065,2067],{},[58,2062,195],{},[58,2064,198],{"align":181},[58,2066,201],{"align":181},[58,2068,204],{},[40,2070,2071,2073,2075,2077],{},[58,2072,209],{},[58,2074,201],{"align":181},[58,2076,214],{"align":181},[58,2078,217],{},[40,2080,2081,2083,2085,2087],{},[58,2082,222],{},[58,2084,214],{"align":181},[58,2086,60],{"align":181},[58,2088,229],{},[40,2090,2091,2093,2095,2097],{},[58,2092,234],{},[58,2094,60],{"align":181},[58,2096,71],{"align":181},[58,2098,241],{},[40,2100,2101,2103,2105,2107],{},[58,2102,85],{},[58,2104,71],{"align":181},[58,2106,82],{"align":181},[58,2108,252],{},[40,2110,2111,2113,2115,2117],{},[58,2112,96],{},[58,2114,82],{"align":181},[58,2116,93],{"align":181},[58,2118,252],{},[40,2120,2121,2123,2125,2127],{},[58,2122,107],{},[58,2124,104],{"align":181},[58,2126,115],{"align":181},[58,2128,252],{},[40,2130,2131,2133,2135,2137],{},[58,2132,129],{},[58,2134,279],{"align":181},[58,2136,126],{"align":181},[58,2138,252],{},[40,2140,2141,2143,2145,2147],{},[58,2142,140],{},[58,2144,126],{"align":181},[58,2146,137],{"align":181},[58,2148,252],{},[40,2150,2151,2153,2155,2157],{},[58,2152,151],{},[58,2154,137],{"align":181},[58,2156,148],{"align":181},[58,2158,252],{},[40,2160,2161,2163,2165,2167],{},[58,2162,308],{},[58,2164,148],{"align":181},[58,2166,313],{"align":181},[58,2168,252],{},[11,2170,318],{},[26,2172,322],{"id":321},[11,2174,325],{},[34,2176,2177,2185],{},[37,2178,2179],{},[40,2180,2181,2183],{},[43,2182,334],{},[43,2184,337],{},[53,2186,2187,2193,2199],{},[40,2188,2189,2191],{},[58,2190,234],{},[58,2192,346],{},[40,2194,2195,2197],{},[58,2196,209],{},[58,2198,353],{},[40,2200,2201,2203],{},[58,2202,195],{},[58,2204,360],{},[11,2206,363],{},[26,2208,367],{"id":366},[11,2210,370,2211,374],{},[14,2212,373],{},[26,2214,378],{"id":377},[11,2216,381,2217,386,2219,390,2221,394,2223,398,2225,401],{},[383,2218,385],{},[383,2220,389],{},[383,2222,393],{},[383,2224,397],{},[383,2226,393],{},[11,2228,404],{},[406,2230,2231,2235,2239,2243,2247,2251],{},[409,2232,2233,414],{},[14,2234,413],{},[409,2236,2237,420],{},[14,2238,419],{},[409,2240,2241,426],{},[14,2242,425],{},[409,2244,2245,432],{},[14,2246,431],{},[409,2248,2249,438],{},[14,2250,437],{},[409,2252,2253,444],{},[14,2254,443],{},[11,2256,447,2257,450],{},[383,2258,393],{},[26,2260,454],{"id":453},[11,2262,457,2263,461,2265,465],{},[14,2264,460],{},[14,2266,464],{},[11,2268,468,2269,474,2271,479],{},[470,2270,473],{"href":472},[470,2272,478],{"href":477},[26,2274,483],{"id":482},[11,2276,486],{},[11,2278,489],{},[491,2280,2281,2285,2289,2293],{},[409,2282,2283,498],{},[14,2284,497],{},[409,2286,2287,504],{},[14,2288,503],{},[409,2290,2291,510],{},[14,2292,509],{},[409,2294,2295,516],{},[14,2296,515],{},[11,2298,519],{},[26,2300,523],{"id":522},[34,2302,2303,2311],{},[37,2304,2305],{},[40,2306,2307,2309],{},[43,2308,532],{},[43,2310,535],{},[53,2312,2313,2321,2329,2335,2341],{},[40,2314,2315,2317],{},[58,2316,542],{},[58,2318,545,2319,548],{},[383,2320,393],{},[40,2322,2323,2325],{},[58,2324,553],{},[58,2326,556,2327,560],{},[383,2328,559],{},[40,2330,2331,2333],{},[58,2332,565],{},[58,2334,568],{},[40,2336,2337,2339],{},[58,2338,573],{},[58,2340,576],{},[40,2342,2343,2345],{},[58,2344,581],{},[58,2346,584],{},[26,2348,588],{"id":587},[11,2350,591,2351,596,2353,601],{},[470,2352,595],{"href":594},[470,2354,600],{"href":599},[26,2356,605],{"id":604},[406,2358,2359,2363,2367,2371,2375,2379],{},[409,2360,2361],{},[470,2362,473],{"href":472},[409,2364,2365],{},[470,2366,617],{"href":616},[409,2368,2369],{},[470,2370,623],{"href":622},[409,2372,2373],{},[470,2374,629],{"href":628},[409,2376,2377],{},[470,2378,635],{"href":634},[409,2380,2381],{},[470,2382,641],{"href":640},[11,2384,2385],{},[167,2386,646,2387,479],{},[470,2388,652],{"href":649,"rel":2389},[651],{"title":654,"searchDepth":655,"depth":655,"links":2391},[2392,2393,2394,2395,2396,2397,2398,2399,2400,2401],{"id":28,"depth":655,"text":29},{"id":159,"depth":655,"text":160},{"id":321,"depth":655,"text":322},{"id":366,"depth":655,"text":367},{"id":377,"depth":655,"text":378},{"id":453,"depth":655,"text":454},{"id":482,"depth":655,"text":483},{"id":522,"depth":655,"text":523},{"id":587,"depth":655,"text":588},{"id":604,"depth":655,"text":605},{},{"title":5,"description":669},[684,685,686,687],{"id":2406,"title":2407,"articleId":6,"body":2408,"category":667,"date":668,"description":3011,"extension":670,"image":24,"lastUpdated":671,"locale":3012,"meta":3013,"navigation":674,"ogImage":675,"path":3014,"publishDate":668,"readTime":1302,"refreshInterval":678,"seo":3015,"seoTitle":680,"slug":3016,"stem":3017,"tags":3018,"__hash__":3022},"blog\u002Fblog\u002Fcable-cross-section-breaker.nl.md","Kabeldoorsnede per automaat: welke kabel bij welke zekering?",{"type":8,"value":2409,"toc":2999},[2410,2416,2421,2425,2428,2528,2531,2535,2538,2543,2678,2681,2685,2688,2722,2725,2729,2736,2740,2757,2760,2798,2804,2808,2819,2831,2835,2838,2841,2867,2870,2874,2934,2938,2949,2953,2989],[11,2411,2412,2415],{},[14,2413,2414],{},"In Belgische woningen geldt volgens AREI-tabel 4.11: 1,5 mm² koper krijgt hoogstens een automaat van 16 A, 2,5 mm² hoogstens 20 A, 4 mm² hoogstens 25 A en 6 mm² hoogstens 40 A."," Stopcontactkringen leg je volgens onderafdeling 5.2.1.2 altijd in minstens 2,5 mm². De beveiliging beschermt daarbij de leiding, niet het toestel: is de automaat te groot voor de doorsnede, dan schakelt hij bij overbelasting te laat af en raakt de leiding oververhit.",[11,2417,2418],{},[21,2419],{"alt":2420,"src":24},"Een elektricien vergelijkt kabelmateriaal op de werkbank.",[26,2422,2424],{"id":2423},"snel-overzicht-automaat-minimale-doorsnede","Snel overzicht: automaat → minimale doorsnede",[11,2426,2427],{},"Dit overzicht leest Tabel 4.11 zoals de vraag op de werf gesteld wordt: de automaat ligt vast, je zoekt de kleinste toegelaten koperdoorsnede.",[34,2429,2430,2443],{},[37,2431,2432],{},[40,2433,2434,2437,2440],{},[43,2435,2436],{},"Automaat",[43,2438,2439],{},"Minimale doorsnede koper",[43,2441,2442],{},"Typisch gebruik",[53,2444,2445,2455,2465,2474,2483,2492,2502,2511,2520],{},[40,2446,2447,2449,2452],{},[58,2448,60],{},[58,2450,2451],{},"1,5 mm² (Tabel 4.11 vermeldt 1 mm², maar Tabel 5.1 laat 1 mm² niet toe voor nieuwe leidingen)",[58,2453,2454],{},"Verlichting",[40,2456,2457,2459,2462],{},[58,2458,71],{},[58,2460,2461],{},"1,5 mm²; stopcontactkringen minstens 2,5 mm² volgens 5.2.1.2",[58,2463,2464],{},"Verlichting, kring zonder stopcontact",[40,2466,2467,2469,2471],{},[58,2468,82],{},[58,2470,85],{},[58,2472,2473],{},"Stopcontactkring, toestelkring",[40,2475,2476,2478,2480],{},[58,2477,93],{},[58,2479,96],{},[58,2481,2482],{},"Eindkring met hogere belasting",[40,2484,2485,2487,2489],{},[58,2486,104],{},[58,2488,107],{},[58,2490,2491],{},"Kookplaat, doorstroomtoestel",[40,2493,2494,2496,2499],{},[58,2495,115],{},[58,2497,2498],{},"6 mm² (bovengrens van de tabel)",[58,2500,2501],{},"Eindkring of voedingsleiding",[40,2503,2504,2506,2508],{},[58,2505,126],{},[58,2507,129],{},[58,2509,2510],{},"Voeding van een onderverdeling",[40,2512,2513,2515,2517],{},[58,2514,137],{},[58,2516,140],{},[58,2518,2519],{},"Voedingsleiding, hoofdschakelaar",[40,2521,2522,2524,2526],{},[58,2523,148],{},[58,2525,151],{},[58,2527,2519],{},[11,2529,2530],{},"De tabel is een bovengrens voor de beveiliging, geen afgewerkte dimensionering. Plaatsingswijze, groepering, omgevingstemperatuur en spanningsval kunnen een grotere doorsnede vragen; hoe je dat controleert, lees je verderop.",[26,2532,2534],{"id":2533},"de-volledige-tabel-411","De volledige Tabel 4.11",[11,2536,2537],{},"In het AREI staat het verband in de andere richting: per geleiderdoorsnede het grootste toegelaten kaliber van de beveiliging, apart voor smeltzekering en automaat (onderafdeling 4.4.1.4, geldt voor huishoudelijke installaties).",[11,2539,2540],{},[167,2541,2542],{},"Tabel 4.11 — Kaliber van de beveiliging volgens de geleiderdoorsnede (AREI 4.4.1.4)",[34,2544,2545,2561],{},[37,2546,2547],{},[40,2548,2549,2552,2555,2558],{},[43,2550,2551],{},"Doorsnede geleider",[43,2553,2554],{"align":181},"Max. smeltzekering",[43,2556,2557],{"align":181},"Max. automaat",[43,2559,2560],{},"Gebruik in huishoudelijke installaties",[53,2562,2563,2574,2585,2596,2607,2618,2628,2638,2648,2658,2668],{},[40,2564,2565,2567,2569,2571],{},[58,2566,195],{},[58,2568,198],{"align":181},[58,2570,201],{"align":181},[58,2572,2573],{},"alleen stuur-, controle-, meld- en meetkringen",[40,2575,2576,2578,2580,2582],{},[58,2577,209],{},[58,2579,201],{"align":181},[58,2581,214],{"align":181},[58,2583,2584],{},"alleen ingebouwde kringen in verdeelborden",[40,2586,2587,2589,2591,2593],{},[58,2588,222],{},[58,2590,214],{"align":181},[58,2592,60],{"align":181},[58,2594,2595],{},"alleen als bestaand deel van vóór 17 mei 1986",[40,2597,2598,2600,2602,2604],{},[58,2599,234],{},[58,2601,60],{"align":181},[58,2603,71],{"align":181},[58,2605,2606],{},"kringen zonder stopcontacten",[40,2608,2609,2611,2613,2615],{},[58,2610,85],{},[58,2612,71],{"align":181},[58,2614,82],{"align":181},[58,2616,2617],{},"algemeen toegelaten",[40,2619,2620,2622,2624,2626],{},[58,2621,96],{},[58,2623,82],{"align":181},[58,2625,93],{"align":181},[58,2627,2617],{},[40,2629,2630,2632,2634,2636],{},[58,2631,107],{},[58,2633,104],{"align":181},[58,2635,115],{"align":181},[58,2637,2617],{},[40,2639,2640,2642,2644,2646],{},[58,2641,129],{},[58,2643,279],{"align":181},[58,2645,126],{"align":181},[58,2647,2617],{},[40,2649,2650,2652,2654,2656],{},[58,2651,140],{},[58,2653,126],{"align":181},[58,2655,137],{"align":181},[58,2657,2617],{},[40,2659,2660,2662,2664,2666],{},[58,2661,151],{},[58,2663,137],{"align":181},[58,2665,148],{"align":181},[58,2667,2617],{},[40,2669,2670,2672,2674,2676],{},[58,2671,308],{},[58,2673,148],{"align":181},[58,2675,313],{"align":181},[58,2677,2617],{},[11,2679,2680],{},"De twee kolommen zijn niet uitwisselbaar. Voor dezelfde leiding ligt de grens van de smeltzekering één stap onder die van de automaat. Wie op 2,5 mm² een smeltzekering van 16 A vervangt door een automaat van 20 A, verhoogt de nominale stroom en moet de kring opnieuw beoordelen.",[26,2682,2684],{"id":2683},"tabel-51-de-uitzonderingen-onder-25-mm","Tabel 5.1: de uitzonderingen onder 2,5 mm²",[11,2686,2687],{},"Onderafdeling 5.2.1.2 verbiedt geïsoleerde geleiders kleiner dan 2,5 mm² wanneer ze geen integraal deel van een machine of toestel zijn. Tabel 5.1 somt de uitzonderingen limitatief op:",[34,2689,2690,2699],{},[37,2691,2692],{},[40,2693,2694,2696],{},[43,2695,334],{},[43,2697,2698],{},"Alleen voor",[53,2700,2701,2708,2715],{},[40,2702,2703,2705],{},[58,2704,234],{},[58,2706,2707],{},"kringen zonder stopcontacten; enkel een afzonderlijk stopcontact tot 2,5 A ingebouwd in een armatuur mag",[40,2709,2710,2712],{},[58,2711,209],{},[58,2713,2714],{},"in verdeel- en schakelborden ingebouwde kringen die één enkel stopcontact voeden",[40,2716,2717,2719],{},[58,2718,195],{},[58,2720,2721],{},"stuur-, controle-, meld- en meetkringen",[11,2723,2724],{},"De rij 1 mm² uit Tabel 4.11 is dus geen toestemming voor nieuwe 1 mm²-leidingen. Tabel 4.11 bepaalt hoe groot de beveiliging hoogstens mag zijn; of je die doorsnede mag leggen, regelt Tabel 5.1.",[26,2726,2728],{"id":2727},"bestaande-installaties-1-mm-leidingen","Bestaande installaties: 1 mm²-leidingen",[11,2730,2731,2732,2735],{},"Voor bestaande huishoudelijke installaties bevat afdeling 8.2.2 (punt 5, keuze van elektrische leidingen) een strikt afgebakende afwijking: EMCB- en EMCVB-leidingen van 1 mm² en CTLB- en VTLB-leidingen van 0,75 mm² mogen in dienst blijven wanneer de uitvoering ter plaatse vóór ",[14,2733,2734],{},"17 mei 1986"," is aangevat en ze deel uitmaken van kringen zonder stopcontact. De beveiliging moet aangepast zijn aan de doorsnede. Dat is een overgangsregel voor bestaande installaties, geen regel voor nieuwe leidingen. Bouwjaar en werkelijk leidingtype moet je bij de keuring kunnen aantonen.",[26,2737,2739],{"id":2738},"wat-de-tabel-niet-beslist","Wat de tabel niet beslist",[11,2741,2742,2743,2745,2746,2748,2749,2751,2752,398,2754,2756],{},"Een volledige keuze verbindt drie stromen: de ontwerpstroom van de belasting ",[383,2744,385],{},", de nominale stroom van de beveiliging ",[383,2747,389],{}," en de stroombelastbaarheid van de leiding ",[383,2750,393],{},". In principe geldt ",[383,2753,397],{},[383,2755,393],{}," is geen vaste waarde per mm²: onderafdeling 4.4.1.4 maakt ze afhankelijk van doorsnede, isolatie, opbouw van de leiding, plaatsingswijze en omgevingstemperatuur.",[11,2758,2759],{},"Controleer daarom ook:",[406,2761,2762,2768,2774,2780,2786,2792],{},[409,2763,2764,2767],{},[14,2765,2766],{},"Leiding:"," materiaal, isolatie en opbouw van de kabel; de tabelwaarden gelden voor koper.",[409,2769,2770,2773],{},[14,2771,2772],{},"Plaatsingswijze:"," in buis, in thermische isolatie, op de wand, gebundeld of op een kabelgoot.",[409,2775,2776,2779],{},[14,2777,2778],{},"Groepering:"," aantal gelijktijdig belaste geleiders en kringen naast elkaar.",[409,2781,2782,2785],{},[14,2783,2784],{},"Omgeving:"," omgevingstemperatuur en warmteafvoer.",[409,2787,2788,2791],{},[14,2789,2790],{},"Lengte en belasting:"," de spanningsval over de werkelijke leidinglengte.",[409,2793,2794,2797],{},[14,2795,2796],{},"Kortsluiting:"," uitschakelvoorwaarden, foutlusimpedantie en het uitschakelvermogen van de automaat tegenover de verwachte kortsluitstroom.",[11,2799,2800,2801,2803],{},"Een lange leiding kan door de spanningsval een grotere doorsnede vragen, een ongunstige plaatsingswijze verlaagt de stroombelastbaarheid. Voor niet-huishoudelijke installaties is Tabel 4.11 geen algemene bovengrens; daar bepaal je ",[383,2802,393],{}," volgens de regels van goed vakmanschap.",[26,2805,2807],{"id":2806},"spanningsval-3-en-5-zijn-richtwaarden-geen-arei-grens","Spanningsval: 3% en 5% zijn richtwaarden, geen AREI-grens",[11,2809,2810,2811,2814,2815,2818],{},"Afdeling 5.2.5 („Spanningsval”) vraagt de spanningsval te beperken tot de waarden uit de regels van goed vakmanschap. Onderafdeling 5.2.1.2 b voegt toe dat hij verenigbaar moet zijn met de bedrijfszekere werking van de gevoede toestellen. Een vast percentage staat niet in het AREI. In de praktijk rekenen ontwerpers met ",[14,2812,2813],{},"3% voor verlichting"," en ",[14,2816,2817],{},"5% voor andere eindkringen",": beproefde richtwaarden voor een eerste toets. Bij lange leidingen, motoren, laadpunten of gevoelige toestellen reken je met de concrete omstandigheden.",[11,2820,2821,2822,2826,2827,479],{},"Voor de berekening heb je leidinglengte, geleidermateriaal, doorsnede, stroom, arbeidsfactor en het net (een- of driefasig) nodig. Hoe die samenhangen, lees je in ",[470,2823,2825],{"href":2824},"\u002Fblog\u002Fspanningsval-berekenen-kabeldoorsnede","Spanningsval berekenen en kabeldoorsnede kiezen",". Sneller gaat het met de ",[470,2828,2830],{"href":2829},"\u002Ftools\u002Fkabeldoorsnede-berekenen","gratis kabeldoorsnede-calculator",[26,2832,2834],{"id":2833},"oude-smeltzekering-vervangen-door-een-automaat","Oude smeltzekering vervangen door een automaat",[11,2836,2837],{},"Een klassieke inbreuk bij de keuring is een beveiliging die te groot is voor de geplaatste doorsnede. Typisch geval: in een oudere installatie zijn smeltzekeringen later door automaten vervangen, zonder dat iemand de leiding erachter heeft gecontroleerd.",[11,2839,2840],{},"Zo pak je het aan:",[491,2842,2843,2849,2855,2861],{},[409,2844,2845,2848],{},[14,2846,2847],{},"Leiding vaststellen:"," welke doorsnede en welk kabeltype liggen er werkelijk, en hoe zijn ze geplaatst?",[409,2850,2851,2854],{},[14,2852,2853],{},"Bestaande toestand inschatten:"," geldt een afwijking uit Deel 8, bijvoorbeeld voor 1 mm²-leidingen van vóór 17 mei 1986?",[409,2856,2857,2860],{},[14,2858,2859],{},"Kolom kiezen:"," voor 1,5 mm² vermeldt Tabel 4.11 hoogstens 10 A smeltzekering of 16 A automaat, voor 2,5 mm² hoogstens 16 A of 20 A.",[409,2862,2863,2866],{},[14,2864,2865],{},"Soort kring controleren:"," een stopcontactkring vraagt los van de automaat minstens 2,5 mm².",[11,2868,2869],{},"Een automaat van 20 A op 1,5 mm² is nooit toegelaten. De tabelgrens is ook geen opdracht om de beveiliging te verhogen.",[26,2871,2873],{"id":2872},"arei-grondslagen-in-één-oogopslag","AREI-grondslagen in één oogopslag",[34,2875,2876,2886],{},[37,2877,2878],{},[40,2879,2880,2883],{},[43,2881,2882],{},"AREI-vindplaats",[43,2884,2885],{},"Regeling",[53,2887,2888,2899,2910,2918,2926],{},[40,2889,2890,2893],{},[58,2891,2892],{},"Onderafdeling 4.4.1.4",[58,2894,2895,2896,2898],{},"Stroombelastbaarheid ",[383,2897,393],{},"; Tabel 4.11 met het grootste kaliber van zekering en automaat per doorsnede",[40,2900,2901,2904],{},[58,2902,2903],{},"Onderafdeling 5.2.1.2",[58,2905,2906,2907,2909],{},"Keuze van leidingen: ",[383,2908,559],{},", verenigbare spanningsval, in principe minstens 2,5 mm²",[40,2911,2912,2915],{},[58,2913,2914],{},"Tabel 5.1",[58,2916,2917],{},"Limitatieve uitzonderingen onder 2,5 mm²: 1,5 mm², 0,75 mm² en 0,5 mm² met vastgelegd gebruik",[40,2919,2920,2923],{},[58,2921,2922],{},"Afdeling 5.2.5",[58,2924,2925],{},"Spanningsval beperken tot de waarden uit de regels van goed vakmanschap",[40,2927,2928,2931],{},[58,2929,2930],{},"Afdeling 8.2.2, punt 5",[58,2932,2933],{},"Bestaand vóór 17 mei 1986: EMCB\u002FEMCVB 1 mm² en CTLB\u002FVTLB 0,75 mm² in kringen zonder stopcontact",[26,2935,2937],{"id":2936},"doorsnede-en-beveiliging-controleren-in-planelec","Doorsnede en beveiliging controleren in PlanElec",[11,2939,1226,2940,2943,2944,2948],{},[470,2941,595],{"href":2942},"\u002F"," leg je per kring beveiliging, doorsnede en leidinglengte vast, rechtstreeks in het eendraadschema. De zelfcontrole toetst of de doorsnede past bij de nominale stroom van de beveiliging en berekent de spanningsval uit de kabellengte tegenover de richtwaarden 3% en 5%. Welke regels ze precies dekt, staat in ",[470,2945,2947],{"href":2946},"\u002Fhelp\u002Fwat-controleert-de-zelfcontrole","Wat controleert de zelfcontrole",". Plaatsingswijze, groepering en metingen ter plaatse beoordeelt de elektrotechnicus; de keuring doet het erkend organisme.",[26,2950,2952],{"id":2951},"verder-lezen","Verder lezen",[406,2954,2955,2959,2965,2971,2977,2983],{},[409,2956,2957],{},[470,2958,2825],{"href":2824},[409,2960,2961],{},[470,2962,2964],{"href":2963},"\u002Fblog\u002Felektrische-keuring","Elektrische keuring in België",[409,2966,2967],{},[470,2968,2970],{"href":2969},"\u002Fblog\u002Feendraadschema-maken","Een eendraadschema maken",[409,2972,2973],{},[470,2974,2976],{"href":2975},"\u002Fblog\u002Fhoofdschakelaar-verplicht-arei","Is een hoofdschakelaar verplicht volgens het AREI?",[409,2978,2979],{},[470,2980,2982],{"href":2981},"\u002Fblog\u002Fkabelwegen-en-kabellengtes-bepalen","Kabeltracés en kabellengtes bepalen in je elektrisch plan",[409,2984,2985],{},[470,2986,2988],{"href":2987},"\u002Fblog\u002Fuitschakelvermogen-automaat-ka","Uitschakelvermogen van een automaat: 3, 6 of 10 kA?",[11,2990,2991],{},[167,2992,2993,2994,479],{},"Regelgrondslag: AREI Boek 1, versie 06, van toepassing sinds 1 april 2026, in het bijzonder 4.4.1.4, 5.2.1.2, 5.2.5 en 8.2.2. Officiële tekst: ",[470,2995,2998],{"href":2996,"rel":2997},"https:\u002F\u002Feconomie.fgov.be\u002Fnl\u002Fpublicaties\u002Falgemeen-reglement-op-de",[651],"FOD Economie",{"title":654,"searchDepth":655,"depth":655,"links":3000},[3001,3002,3003,3004,3005,3006,3007,3008,3009,3010],{"id":2423,"depth":655,"text":2424},{"id":2533,"depth":655,"text":2534},{"id":2683,"depth":655,"text":2684},{"id":2727,"depth":655,"text":2728},{"id":2738,"depth":655,"text":2739},{"id":2806,"depth":655,"text":2807},{"id":2833,"depth":655,"text":2834},{"id":2872,"depth":655,"text":2873},{"id":2936,"depth":655,"text":2937},{"id":2951,"depth":655,"text":2952},"Welke kabeldoorsnede hoort bij 16, 20 of 32 A? Tabel 4.11 van het AREI, minimumdoorsneden voor stopcontacten en wat je daarnaast moet controleren.","nl",{},"\u002Fblog\u002Fcable-cross-section-breaker.nl",{"title":2407,"description":3011},"kabeldoorsnede-automaat","blog\u002Fcable-cross-section-breaker.nl",[3019,3020,1310,3021],"kabeldoorsnede","automaat","elektro-installatie","e3_vNX2NnnaoU7tzwMIaRBJCwkbsC2C01XpaARChOno",[3024,3029,3034],{"articleId":3025,"locale":672,"slug":3026,"title":3027,"date":3028,"publishDate":3028},"voltage-drop-cable-sizing","chute-de-tension-section-cable","Calculer la chute de tension : quelle longueur de câble ?","2026-08-02",{"articleId":3030,"locale":672,"slug":3031,"title":3032,"date":3033,"publishDate":3033},"cable-routes-and-lengths","cheminements-et-longueurs-de-cables","Cheminements et longueurs de câbles : comment déterminer la longueur d’une canalisation sur un plan électrique ?","2026-08-31",{"articleId":3035,"locale":672,"slug":3036,"title":3037,"date":3038,"publishDate":3038},"xvb-vs-vob-cable","cable-xvb-vs-vob","Câble VOB ou XVB : différences, pose et choix en Belgique","2026-03-16"]