{"id":2696,"date":"2026-07-14T12:00:00","date_gmt":"2026-07-14T12:00:00","guid":{"rendered":"https:\/\/cnsuton.com\/?p=2696"},"modified":"2026-07-15T13:07:40","modified_gmt":"2026-07-15T13:07:40","slug":"circuit-breaker-types-guide-for-panel-builders","status":"publish","type":"post","link":"https:\/\/cnsuton.com\/vi\/blog\/circuit-breaker-types-guide-for-panel-builders\/","title":{"rendered":"C\u00e1c lo\u1ea1i c\u1ea7u dao \u0111i\u1ec7n: H\u01b0\u1edbng d\u1eabn l\u1ef1a ch\u1ecdn MCB, MCCB &amp; ACB"},"content":{"rendered":"<div class=\"b2b-article\">\n<p style=\"margin:0 0 16px;line-height:1.7\"><strong>C\u00e1c lo\u1ea1i aptomat trong ph\u00e2n ph\u1ed1i h\u1ea1 \u00e1p \u0111\u01b0\u1ee3c nh\u00f3m l\u1ea1i theo c\u1ea5p k\u1ebft c\u1ea5u v\u00e0 v\u1ecb tr\u00ed t\u1ee7 \u0111i\u1ec7n: MCB cho m\u1ea1ch nh\u00e1nh cu\u1ed1i, MCCB cho m\u1ea1ch c\u1ea5p ngu\u1ed3n, ACB cho thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft t\u1ed5ng \u0111\u1ea7u v\u00e0o, v\u1edbi c\u00e1c thi\u1ebft b\u1ecb RCBO, AFCI v\u00e0 SPD \u0111\u01b0\u1ee3c b\u1ed5 sung khi ch\u1ee9c n\u0103ng b\u1ea3o v\u1ec7 y\u00eau c\u1ea7u.<\/strong> Vi\u1ec7c ch\u1ecdn \u0111\u00fang lo\u1ea1i thi\u1ebft b\u1ecb b\u1eaft \u0111\u1ea7u t\u1eeb v\u1ecb tr\u00ed c\u1ee7a n\u00f3 trong s\u01a1 \u0111\u1ed3 m\u1ed9t s\u1ee3i - ch\u1ee9 kh\u00f4ng ph\u1ea3i ch\u1ec9 d\u1ef1a v\u00e0o t\u1eeb kh\u00f3a trong ca-ta-l\u00f4.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">C\u00e1c k\u1ef9 s\u01b0 l\u1eafp r\u00e1p t\u1ee7 \u0111i\u1ec7n \u0111ang t\u00ednh to\u00e1n k\u00edch th\u01b0\u1edbc cho m\u1ed9t b\u1ea3ng m\u1ea1ch m\u1edbi n\u00ean \u0111\u1ecdc t\u00e0i li\u1ec7u c\u1ee7a trang web <a href=\"https:\/\/cnsuton.com\/vi\/blog\/what-is-a-molded-case-circuit-breaker\/\">C\u1ea7u dao t\u1ef1 \u0111\u1ed9ng d\u1ea1ng kh\u1ed1i<\/a> c\u00f9ng v\u1edbi lo\u1ea1i b\u1ea3n \u0111\u1ed3 n\u00e0y.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\"><img decoding=\"async\" style=\"max-width:640px;width:100%;height:auto;display:block;margin:0 auto;border-radius:8px\" alt=\"DZ47 series miniature circuit breaker on DIN rail\" src=\"https:\/\/cnsuton.com\/wp-content\/uploads\/2026\/06\/1L.webp\" \/><\/p>\n<nav class=\"b2b-toc\" style=\"background:#f5f8fa;padding:16px 20px;border-radius:8px;margin:0 0 24px\">\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\">M\u1ee5c l\u1ee5c<\/h2>\n<ul style=\"margin:0 0 18px 1.2em;line-height:1.7\">\n<li style=\"margin:0 0 8px\"><a href=\"#part-1-how-are-circuit-breaker-types-organized-in-a-lv-panel\">Ph\u1ea7n 1. C\u00e1c lo\u1ea1i m\u00e1y c\u1eaft \u0111\u01b0\u1ee3c t\u1ed5 ch\u1ee9c nh\u01b0 th\u1ebf n\u00e0o trong t\u1ee7 \u0111i\u1ec7n h\u1ea1 th\u1ebf?<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#part-2-when-is-an-mcb-the-right-circuit-breaker-type\">Ph\u1ea7n 2. Khi n\u00e0o MCB l\u00e0 lo\u1ea1i c\u1ea7u dao ph\u00f9 h\u1ee3p?<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#part-3-when-should-panel-builders-specify-an-mccb\">Ph\u1ea7n 3. Khi n\u00e0o t\u1ee7 \u0111i\u1ec7n n\u00ean ch\u1ec9 \u0111\u1ecbnh MCCB?<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#part-4-where-do-acbs-fit-compared-with-large-mccbs\">Ph\u1ea7n 4. ACB n\u1eb1m \u1edf v\u1ecb tr\u00ed n\u00e0o khi so s\u00e1nh v\u1edbi MCCB k\u00edch th\u01b0\u1edbc l\u1edbn?<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#part-5-what-about-rcbo-rccb-afci-and-spd-types\">Ph\u1ea7n 5. C\u00f2n c\u00e1c lo\u1ea1i RCBO, RCCB, AFCI v\u00e0 SPD th\u00ec sao?<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#part-6-how-do-you-match-type-to-current-icu-and-trip-curve\">Ph\u1ea7n 6. L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 kh\u1edbp lo\u1ea1i d\u00f2ng \u0111i\u1ec7n (type to current), Icu v\u00e0 \u0111\u01b0\u1eddng cong c\u1eaft (trip curve)?<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#part-7-which-suton-lines-match-common-circuit-breaker-types\">Ph\u1ea7n 7. D\u00f2ng s\u1ea3n ph\u1ea9m SUTON n\u00e0o ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c lo\u1ea1i c\u1ea7u dao ph\u1ed5 bi\u1ebfn?<\/a><\/li>\n<\/ul>\n<\/nav>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-1-how-are-circuit-breaker-types-organized-in-a-lv-panel\">Ph\u1ea7n 1. C\u00e1c lo\u1ea1i m\u00e1y c\u1eaft \u0111\u01b0\u1ee3c t\u1ed5 ch\u1ee9c nh\u01b0 th\u1ebf n\u00e0o trong t\u1ee7 \u0111i\u1ec7n h\u1ea1 th\u1ebf?<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">N\u1ebfu b\u1ea1n b\u00e1o gi\u00e1 m\u1ed9t t\u1ee7 \u0111i\u1ec7n ph\u00e2n ph\u1ed1i, h\u00e3y \u00e1nh x\u1ea1 t\u1eebng \u0111i\u1ec3m \u0111\u1ea7u ra v\u1edbi m\u1ed9t c\u1ea5p b\u1ea3o v\u1ec7 tr\u01b0\u1edbc khi b\u1ea1n so s\u00e1nh c\u00e1c th\u01b0\u01a1ng hi\u1ec7u.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">C\u00e1c m\u1ea1ch chi\u1ebfu s\u00e1ng v\u00e0 \u1ed5 c\u1eafm cu\u1ed1i c\u00f9ng th\u01b0\u1eddng k\u1ebft th\u00fac \u1edf c\u00e1c aptomat thu nh\u1ecf tr\u00ean thanh DIN. C\u00e1c m\u1ea1ch c\u1ea5p ngu\u1ed3n ph\u1ee5 v\u00e0 m\u1ea1ch nh\u00e1nh \u0111\u1ed9ng c\u01a1 chuy\u1ec3n sang c\u00e1c khung v\u1ecf \u0111\u00fac. Thi\u1ebft b\u1ecb c\u1ea5p ngu\u1ed3n ch\u00ednh \u2014 n\u01a1i d\u00f2ng s\u1ef1 c\u1ed1 kh\u1ea3 d\u1ee5ng cao nh\u1ea5t \u2014 th\u01b0\u1eddng s\u1eed d\u1ee5ng aptomat kh\u00f4ng kh\u00ed v\u1edbi kh\u1ea3 n\u0103ng c\u1eaft v\u00e0 kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn d\u1ecbch v\u1ee5 cao h\u01a1n.<\/p>\n<table style=\"width:100%;border-collapse:collapse\">\n<thead>\n<tr>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">V\u1ecb tr\u00ed b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Lo\u1ea1i c\u1ea7u dao ph\u1ed5 bi\u1ebfn<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Ti\u00eau chu\u1ea9n tham chi\u1ebfu \u0111i\u1ec3n h\u00ecnh<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Y\u1ebfu t\u1ed1 l\u1ef1a ch\u1ecdn ch\u00ednh<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">M\u1ea1ch cu\u1ed1i c\u00f9ng<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Aptomat (MCB \/ RCBO)<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">IEC 60898-1 (MCB)<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">D\u00f2ng \u0111i\u1ec7n t\u1ea3i, \u0111\u01b0\u1eddng cong, chi\u1ec1u r\u1ed9ng module<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Tuy\u1ebfn ph\u1ee5 \/ \u0110\u1ed9ng c\u01a1<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Aptomat kh\u1ed1i<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">IEC 60947-2<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Icu\/Ics, ch\u1ec9nh d\u00f2ng c\u1eaft<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">C\u1ea7u dao t\u1ed5ng<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">ACB ho\u1eb7c MCCB l\u1edbn<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">IEC 60947-2<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Trong, ICU, t\u00ednh ch\u1ecdn l\u1ecdc, b\u1ea3o d\u01b0\u1ee1ng<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Thi\u1ebft b\u1ecb h\u1ed7 tr\u1ee3 ch\u1ed1ng t\u0103ng \u0111\u1ed9t ng\u1ed9t \/ r\u00f2 r\u1ec9<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">SPD, RCCB, RCBO<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">H\u1ecd ti\u00eau chu\u1ea9n IEC 61643 \/ 61008<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Ch\u1ee9c n\u0103ng b\u1ea3o v\u1ec7 ch\u1ee9 kh\u00f4ng ch\u1ec9 ch\u1ed1ng qu\u00e1 t\u1ea3i<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"margin:0 0 16px;line-height:1.7\">H\u1ec7 th\u1ed1ng c\u1ea5p b\u1eadc n\u00e0y ph\u1ea3n \u00e1nh c\u00e1ch <a href=\"https:\/\/webstore.iec.ch\/en\/publication\/6012\" rel=\"nofollow noopener\" target=\"_blank\">IEC 60947-2<\/a> t\u00e1ch bi\u1ec7t aptomat v\u1ecf \u0111\u00fac v\u00e0 m\u00e1y c\u1eaft kh\u00f4ng kh\u00ed kh\u1ecfi c\u00e1c quy t\u1eafc MCB trong <a href=\"https:\/\/webstore.iec.ch\/en\/publication\/60239\" rel=\"nofollow noopener\" target=\"_blank\">IEC 60898-1<\/a>. \u0110\u00f3 l\u00e0 m\u1ed9t khung thi\u1ebft k\u1ebf\u2014nghi\u00ean c\u1ee9u v\u1ec1 s\u1ef1 c\u1ed1 trong d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n v\u1eabn thi\u1ebft l\u1eadp n\u0103ng l\u1ef1c ph\u00e1 h\u1ee7y t\u1ed1i thi\u1ec3u.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-2-when-is-an-mcb-the-right-circuit-breaker-type\">Ph\u1ea7n 2. Khi n\u00e0o MCB l\u00e0 lo\u1ea1i c\u1ea7u dao ph\u00f9 h\u1ee3p?<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">MCB l\u00e0 thi\u1ebft b\u1ecb ng\u1eaft m\u1ea1ch t\u1eeb-nhi\u1ec7t (ho\u1eb7c \u0111i\u1ec7n t\u1eed) nh\u1ecf g\u1ecdn \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho vi\u1ec7c ph\u00e2n ph\u1ed1i cu\u1ed1i c\u00f9ng m\u1eadt \u0111\u1ed9 cao. Tr\u00ean m\u1ed9t c\u1ee5m thanh ray DIN, ch\u00fang b\u1ea3o v\u1ec7 c\u00e1c m\u1ea1ch nh\u00e1nh ri\u00eang l\u1ebb n\u01a1i m\u1ee9c \u0111\u1ed9 s\u1ef1 c\u1ed1 t\u1ea1i \u0111i\u1ec3m l\u1eafp \u0111\u1eb7t t\u01b0\u01a1ng \u0111\u1ed1i th\u1ea5p so v\u1edbi thanh c\u00e1i ch\u00ednh.<\/p>\n<ul style=\"margin:0 0 18px 1.2em;line-height:1.7\">\n<li style=\"margin:0 0 8px\"><strong>Ph\u1ea1m vi hi\u1ec7n t\u1ea1i:<\/strong> th\u01b0\u1eddng l\u00ean \u0111\u1ebfn 125 A m\u1ed7i c\u1ef1c trong c\u00e1c khung m\u00f4-\u0111un ti\u00eau chu\u1ea9n.<\/li>\n<li style=\"margin:0 0 8px\"><strong>Kh\u1ea3 n\u0103ng c\u1eaft:<\/strong> th\u00f4ng th\u01b0\u1eddng d\u00f2ng \u0111i\u1ec7n \u0111\u1ecbnh m\u1ee9c Icn t\u1eeb 6\u201310 kA d\u00e0nh cho h\u1ed9 gia \u0111\u00ecnh v\u00e0 m\u1ee5c \u0111\u00edch t\u01b0\u01a1ng t\u1ef1; h\u00e3y ki\u1ec3m tra k\u00fd hi\u1ec7u \u0111i\u1ec7n \u00e1p c\u1ee7a b\u1ea1n.<\/li>\n<li style=\"margin:0 0 8px\"><strong>\u0110\u1eb7c t\u00ednh c\u1eaft:<\/strong> \u0110\u01b0\u1eddng \u0111\u1eb7c t\u00ednh B, C v\u00e0 D \u0111\u00e1nh \u0111\u1ed5i \u0111\u1ed9 nh\u1ea1y \u0111\u1ec3 l\u1ea5y kh\u1ea3 n\u0103ng ch\u1ecbu d\u00f2ng kh\u1edfi \u0111\u1ed9ng \u2014 vi\u1ec7c c\u1ea5p ngu\u1ed3n cho \u0111\u1ed9ng c\u01a1 v\u00e0 m\u00e1y bi\u1ebfn \u00e1p th\u01b0\u1eddng c\u1ea7n lo\u1ea1i C ho\u1eb7c D, ch\u1ee9 kh\u00f4ng ph\u1ea3i \u0111\u01b0\u1eddng \u0111\u1eb7c t\u00ednh B m\u1eb7c \u0111\u1ecbnh.<\/li>\n<li style=\"margin:0 0 8px\"><strong>H\u00ecnh th\u1ec3:<\/strong> m\u00f4-\u0111un 18 mm ho\u1eb7c 27 mm; nh\u00f3m ch\u00fang l\u1ea1i v\u1edbi <a href=\"https:\/\/cnsuton.com\/vi\/blog\/what-is-din-rail-a-comprehensive-understanding\/\">Ng\u1eef c\u1ea3nh l\u1eafp \u0111\u1eb7t tr\u00ean thanh ray DIN<\/a> khi b\u1ea1n l\u00ean k\u1ebf ho\u1ea1ch kho\u1ea3ng c\u00e1ch thanh c\u00e1i.<\/li>\n<\/ul>\n<p style=\"margin:0 0 16px;line-height:1.7\">\u0110\u1ed1i v\u1edbi mua s\u1eafm c\u00f4ng <a href=\"https:\/\/cnsuton.com\/vi\/san-pham\/dz47-series-miniature-circuit-breaker\/\">C\u1ea7u dao t\u1ef1 \u0111\u1ed9ng d\u00f2ng DZ47<\/a> Trang n\u00e0y l\u00e0 \u0111i\u1ec3m kh\u1edfi \u0111\u1ea7u d\u1ea1ng m\u00f4-\u0111un c\u1ee7a SUTON. K\u1ebft h\u1ee3p b\u1ea3o v\u1ec7 r\u00f2 r\u1ec9 c\u1eb7p v\u1edbi <a href=\"https:\/\/cnsuton.com\/vi\/san-pham\/dz47le-series-miniature-circuit-breaker\/\">DZ47LE<\/a> n\u01a1i y\u00eau c\u1ea7u ch\u1ee9c n\u0103ng RCBO.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-3-when-should-panel-builders-specify-an-mccb\">Ph\u1ea7n 3. Khi n\u00e0o t\u1ee7 \u0111i\u1ec7n n\u00ean ch\u1ec9 \u0111\u1ecbnh MCCB?<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\"><img decoding=\"async\" style=\"max-width:640px;width:100%;height:auto;display:block;margin:0 auto;border-radius:8px\" alt=\"ETM1 molded case circuit breaker\" src=\"https:\/\/cnsuton.com\/wp-content\/uploads\/2026\/06\/ETM1-800.webp\" \/><\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">MCCB s\u1eed d\u1ee5ng m\u1ed9t v\u1ecf c\u00e1ch ly \u0111\u00fac, c\u00e1c ti\u1ebfp \u0111i\u1ec3m l\u1edbn h\u01a1n v\u00e0 bu\u1ed3ng d\u1eadp h\u1ed3 quang c\u00f3 k\u00edch th\u01b0\u1edbc ph\u00f9 h\u1ee3p v\u1edbi n\u0103ng l\u01b0\u1ee3ng cho qua cao h\u01a1n so v\u1edbi MCB d\u1ea1ng m\u00f4-\u0111un. Ch\u00fang xu\u1ea5t hi\u1ec7n tr\u00ean c\u00e1c m\u1ea1ch c\u1ea5p ngu\u1ed3n, nh\u00e1nh b\u1ea3o v\u1ec7 \u0111\u1ed9ng c\u01a1 v\u00e0 t\u1ee7 ph\u00e2n ph\u1ed1i th\u01b0\u01a1ng m\u1ea1i n\u01a1i c\u1ea7n c\u00f3 thi\u1ebft b\u1ecb ng\u1eaft t\u1eeb nhi\u1ec7t ho\u1eb7c \u0111i\u1ec7n t\u1eed c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">So v\u1edbi MCB, MCCB th\u01b0\u1eddng c\u00f3:<\/p>\n<ul style=\"margin:0 0 18px 1.2em;line-height:1.7\">\n<li style=\"margin:0 0 8px\">d\u00f2ng \u0111i\u1ec7n \u0111\u1ecbnh m\u1ee9c cao h\u01a1n tr\u00ean m\u1ed7i thi\u1ebft b\u1ecb (ch\u1ee5c \u0111\u1ebfn h\u00e0ng tr\u0103m ampe trong c\u00e1c khung th\u00f4ng th\u01b0\u1eddng);<\/li>\n<li style=\"margin:0 0 8px\">kh\u1ea3 n\u0103ng c\u1eaft danh \u0111\u1ecbnh (Icu) cao h\u01a1n \u0111\u1ed1i v\u1edbi c\u00f9ng m\u1ed9t m\u1ee9c \u0111i\u1ec7n \u00e1p;<\/li>\n<li style=\"margin:0 0 8px\">c\u00e0i \u0111\u1eb7t qu\u00e1 t\u1ea3i v\u00e0 ng\u1eafn h\u1ea1n c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng tr\u00ean nhi\u1ec1u khung;<\/li>\n<li style=\"margin:0 0 8px\">s\u1ef1 ph\u00f9 h\u1ee3p cho c\u00e1c nghi\u00ean c\u1ee9u ph\u1ed1i h\u1ee3p gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb th\u01b0\u1ee3ng ngu\u1ed3n v\u00e0 h\u1ea1 ngu\u1ed3n.<\/li>\n<\/ul>\n<p style=\"margin:0 0 16px;line-height:1.7\">Khi \u00fd \u0111\u1ecbnh t\u00ecm ki\u1ebfm c\u1ee7a b\u1ea1n l\u00e0 l\u1ef1a ch\u1ecdn c\u1ea5p thi\u1ebft b\u1ecb trong danh m\u1ee5c MCCB, h\u00e3y ti\u1ebfp t\u1ee5c \u0111\u1ebfn ph\u1ea7n chuy\u00ean d\u1ee5ng <a href=\"https:\/\/cnsuton.com\/vi\/blog\/mccb-breaker-guide-for-panel-builders-and-contractors\/\">H\u01b0\u1edbng d\u1eabn ch\u1ecdn MCCB<\/a> thay v\u00ec nh\u00e2n b\u1ea3n c\u00e1c b\u1ea3ng khung \u1edf \u0111\u00e2y. \u1ede c\u1ea5p \u0111\u1ed9 danh m\u1ee5c, h\u00e3y xem <a href=\"https:\/\/cnsuton.com\/vi\/molded-case-circuit-breakers\/\">c\u1ea7u dao t\u1ef1 \u0111\u1ed9ng d\u1ea1ng kh\u1ed1i<\/a> v\u00e0 <a href=\"https:\/\/cnsuton.com\/vi\/san-pham\/etm1-series-molded-case-circuit-breaker\/\">Aptomat kh\u1ed1i d\u00f2ng ETM1 Series MCCB<\/a> trang s\u1ea3n ph\u1ea9m cho y\u00eau c\u1ea7u b\u00e1o gi\u00e1 (RFQ) c\u1ea5p \u0111\u1ed9 d\u00f2ng s\u1ea3n ph\u1ea9m.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-4-where-do-acbs-fit-compared-with-large-mccbs\">Ph\u1ea7n 4. ACB n\u1eb1m \u1edf v\u1ecb tr\u00ed n\u00e0o khi so s\u00e1nh v\u1edbi MCCB k\u00edch th\u01b0\u1edbc l\u1edbn?<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">ACB l\u00e0 m\u00e1y c\u1eaft c\u00e1ch \u0111i\u1ec7n b\u1eb1ng kh\u00f4ng kh\u00ed \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho c\u00e1c \u0111\u01b0\u1eddng ph\u00e2n ph\u1ed1i ch\u00ednh. Ch\u00fang \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn khi c\u00e1c y\u00eau c\u1ea7u v\u1ec1 d\u00f2ng \u0111i\u1ec7n \u0111\u1ecbnh m\u1ee9c, kh\u1ea3 n\u0103ng c\u1eaft ho\u1eb7c kh\u1ea3 n\u0103ng b\u1ea3o tr\u00ec v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n th\u1ef1c t\u1ebf c\u1ee7a m\u00e1y c\u1eaft v\u1ecf \u0111\u00fac - \u0111\u1eb7c bi\u1ec7t \u0111\u1ed1i v\u1edbi thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft d\u1ea1ng k\u00e9o ra v\u00e0 thanh c\u00e1i ch\u00ednh.<\/p>\n<ul style=\"margin:0 0 18px 1.2em;line-height:1.7\">\n<li style=\"margin:0 0 8px\"><strong>V\u1ecb tr\u00ed:<\/strong> \u0111\u01b0\u1eddng c\u1ea5p \u0111i\u1ec7n ch\u00ednh, thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft ngu\u1ed3n ch\u00ednh, m\u00e1y c\u1eaft li\u00ean l\u1ea1c thanh c\u00e1i.<\/li>\n<li style=\"margin:0 0 8px\"><strong>Tr\u1ecdng t\u00e2m nhi\u1ec7m v\u1ee5:<\/strong> Icu cao, tu\u1ed5i th\u1ecd ho\u1ea1t \u0111\u1ed9ng l\u00e2u d\u00e0i \u1edf c\u00e1c c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cao, th\u01b0\u1eddng c\u00f3 c\u01a1 ch\u1ebf k\u00e9o ra trong thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft OEM.<\/li>\n<li style=\"margin:0 0 8px\"><strong>Thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7:<\/strong> c\u00e1c ch\u1ee9c n\u0103ng LS\/I ho\u1eb7c LSIG \u0111i\u1ec7n t\u1eed \u0111\u1ec3 ph\u1ed1i h\u1ee3p ch\u1ecdn l\u1ecdc v\u1edbi c\u00e1c MCCB ph\u00eda h\u1ea1 ngu\u1ed3n.<\/li>\n<\/ul>\n<p style=\"margin:0 0 16px;line-height:1.7\">SUTON xu\u1ea5t b\u1ea3n <a href=\"https:\/\/cnsuton.com\/vi\/san-pham\/etw3-series-intelligent-air-circuit-breakers-2\/\">M\u00e1y c\u1eaft kh\u00f4ng kh\u00ed th\u00f4ng minh d\u00f2ng ETW3<\/a> d\u00e0nh cho c\u00e1c cu\u1ed9c th\u1ea3o lu\u1eadn v\u1ec1 lo\u1ea1i ACB. Kh\u00f4ng thay th\u1ebf ACB \u1edf n\u01a1i MCCB \u0111\u00e3 \u0111\u00e1p \u1ee9ng nghi\u00ean c\u1ee9u s\u1ef1 c\u1ed1\u2014vi\u1ec7c d\u00f9ng thi\u1ebft b\u1ecb qu\u00e1 kh\u1ed5 l\u00e0m t\u0103ng chi ph\u00ed v\u00e0 chi\u1ec1u s\u00e2u t\u1ee7 \u0111i\u1ec7n m\u00e0 kh\u00f4ng mang l\u1ea1i l\u1ee3i \u00edch v\u1ec1 an to\u00e0n.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-5-what-about-rcbo-rccb-afci-and-spd-types\">Ph\u1ea7n 5. C\u00f2n c\u00e1c lo\u1ea1i RCBO, RCCB, AFCI v\u00e0 SPD th\u00ec sao?<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">Kh\u00f4ng ph\u1ea3i m\u1ecdi \u201clo\u1ea1i c\u1ea7u dao\u201d \u0111\u1ec1u l\u00e0 thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 qu\u00e1 t\u1ea3i. M\u1ed9t s\u1ed1 m\u00f4-\u0111un b\u1ed5 sung c\u00e1c ch\u1ee9c n\u0103ng b\u1ea3o v\u1ec7:<\/p>\n<table style=\"width:100%;border-collapse:collapse\">\n<thead>\n<tr>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Lo\u1ea1i thi\u1ebft b\u1ecb<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">R\u1ee7i ro ch\u00ednh \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">V\u1ecb tr\u00ed \u0111i\u1ec3n h\u00ecnh<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Thi\u1ebft b\u1ecb ch\u1ed1ng d\u00f2ng r\u00f2 \/ C\u1ea7u dao ch\u1ed1ng d\u00f2ng r\u00f2<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u0110i\u1ec7n gi\u1eadt do r\u00f2 r\u1ec9 \u0111i\u1ec7n<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u0110\u01b0\u1ee3c nh\u00f3m \u1edf ph\u00eda ngu\u1ed3n c\u1ee7a c\u00e1c m\u1ea1ch \u1ed5 c\u1eafm ho\u1eb7c to\u00e0n b\u1ed9 t\u1ee7 \u0111i\u1ec7n<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">RCBO<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Qu\u00e1 t\u1ea3i + r\u00f2 r\u1ec9 trong m\u1ed9t m\u00f4-\u0111un<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">C\u00e1c m\u1ea1ch cu\u1ed1i c\u00f9ng c\u1ea7n c\u1ea3 hai ch\u1ee9c n\u0103ng<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Thi\u1ebft b\u1ecb ng\u1eaft m\u1ea1ch h\u1ed3 quang \u0111i\u1ec7n \/ l\u1ed7i h\u1ed3 quang<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">S\u1ef1 c\u1ed1 ch\u1ea1m ch\u1eadp song song tr\u00ean h\u1ec7 th\u1ed1ng d\u00e2y \u0111i\u1ec7n nh\u00e1nh<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">C\u00e1c khu v\u1ef1c t\u00e0i ph\u00e1n ho\u1eb7c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt y\u00eau c\u1ea7u ph\u00e1t hi\u1ec7n h\u1ed3 quang<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">SPD<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Qu\u00e1 \u0111\u1ed9 do qu\u00e1 \u00e1p<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u0110\u1eb7t tr\u01b0\u1edbc c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed nh\u1ea1y c\u1ea3m, th\u01b0\u1eddng c\u00f3 k\u00e8m b\u1ea3o v\u1ec7 ng\u1eafn m\u1ea1ch<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"margin:0 0 16px;line-height:1.7\">SUTON <a href=\"https:\/\/cnsuton.com\/vi\/blog\/arc-fault-circuit-breaker-guide-for-panel-builders-and-contractors\/\">H\u01b0\u1edbng d\u1eabn c\u1ea7u dao b\u1ea3o v\u1ec7 s\u1ef1 c\u1ed1 h\u1ed3 quang<\/a> v\u00e0 <a href=\"https:\/\/cnsuton.com\/vi\/blog\/residual-current-circuit-breaker-guide-for-panel-builders-and-contractors\/\">h\u01b0\u1edbng d\u1eabn c\u1ea7u dao ch\u1ed1ng d\u00f2ng r\u00f2<\/a> \u0111\u1ec1 c\u1eadp \u0111\u1ebfn hai lo\u1ea1i ph\u1ee5 tr\u1ee3 ph\u1ed5 bi\u1ebfn. V\u00ed d\u1ee5 v\u1ec1 thi\u1ebft b\u1ecb ch\u1ed1ng s\u00e9t lan truy\u1ec1n (SPD) d\u1ea1ng m\u00f4-\u0111un: <a href=\"https:\/\/cnsuton.com\/vi\/san-pham\/etu1-series-surge-protective-device\/\">Thi\u1ebft b\u1ecb ch\u1ed1ng s\u00e9t lan truy\u1ec1n d\u00f2ng ETU1<\/a>.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-6-how-do-you-match-type-to-current-icu-and-trip-curve\">Ph\u1ea7n 6. L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 kh\u1edbp lo\u1ea1i d\u00f2ng \u0111i\u1ec7n (type to current), Icu v\u00e0 \u0111\u01b0\u1eddng cong c\u1eaft (trip curve)?<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">C\u00e1c b\u1ea3ng l\u1ef1a ch\u1ecdn ph\u1ea3i \u0111\u01b0\u1ee3c \u0111i\u1ec1n t\u1eeb nghi\u00ean c\u1ee9u \u0111i\u1ec7n c\u1ee7a d\u1ef1 \u00e1n, ch\u1ee9 kh\u00f4ng ch\u1ec9 d\u1ef1a v\u00e0o c\u00e1c d\u1ea3i s\u1ea3n ph\u1ea9m th\u01b0\u01a1ng m\u1ea1i.<\/p>\n<table style=\"width:100%;border-collapse:collapse\">\n<thead>\n<tr>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">\u00dd ki\u1ebfn t\u1eeb nghi\u00ean c\u1ee9u \/ kh\u00e1ch h\u00e0ng<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">\u0110i\u1ec1u khi\u1ec3n lo\u1ea1i c\u1ea7u dao n\u00e0o<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">D\u00f2ng \u0111i\u1ec7n \u0111\u1ecbnh m\u1ee9c In<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">K\u00edch th\u01b0\u1edbc khung h\u00ecnh t\u1ed1i thi\u1ec3u<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">D\u00f2ng \u0111i\u1ec7n s\u1ef1 c\u1ed1 d\u1ef1 ki\u1ebfn t\u1ea1i thi\u1ebft b\u1ecb<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Icu t\u1ed1i thi\u1ec3u (v\u00e0 Ics n\u1ebfu c\u00f3 li\u00ean quan)<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Lo\u1ea1i t\u1ea3i (chi\u1ebfu s\u00e1ng, \u0111\u1ed9ng c\u01a1, thi\u1ebft b\u1ecb s\u01b0\u1edfi)<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u0110\u01b0\u1eddng \u0111\u1eb7c t\u00ednh c\u1eaft ho\u1eb7c c\u1ea5u h\u00ecnh c\u1eaft \u0111i\u1ec7n t\u1eed<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Y\u00eau c\u1ea7u v\u1ec1 \u0111\u1ed9 ch\u1ecdn l\u1ecdc<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Ph\u1ed1i h\u1ee3p lo\u1ea1i th\u01b0\u1ee3ng ngu\u1ed3n\/h\u1ea1 ngu\u1ed3n (ACB\u2192MCCB\u2192MCB)<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Phong b\u00ec v\u1eadt l\u00fd<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">S\u1ed1 l\u01b0\u1ee3ng m\u00f4-\u0111un DIN so v\u1edbi di\u1ec7n t\u00edch chi\u1ebfm ch\u1ed7 c\u1ee7a aptomat v\u1ecf \u0111\u00fac<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"margin:0 0 16px;line-height:1.7\"><strong>Kh\u1edbp bi\u00ean<\/strong><\/p>\n<ul style=\"margin:0 0 18px 1.2em;line-height:1.7\">\n<li style=\"margin:0 0 8px\"><strong>Ph\u00f9 h\u1ee3p khi:<\/strong> b\u1ea1n c\u00f3 v\u1ecb tr\u00ed \u0111\u01a1n tuy\u1ebfn, \u0111i\u1ec7n \u00e1p, d\u00f2ng thi\u1ebft k\u1ebf v\u00e0 m\u1ee9c s\u1ef1 c\u1ed1 cho m\u1ed7i v\u1ecb tr\u00ed thi\u1ebft b\u1ecb.<\/li>\n<li style=\"margin:0 0 8px\"><strong>Kh\u00f4ng ph\u00f9 h\u1ee3p khi:<\/strong> ch\u1ec9 cung c\u1ea5p m\u1ed9t t\u1eeb kh\u00f3a chung chung nh\u01b0 \u201captomat 100A\u201d m\u00e0 kh\u00f4ng c\u00f3 \u0111\u1eb7c t\u00ednh d\u00f2ng c\u1eaft, s\u1ed1 c\u1ef1c ho\u1eb7c Icu \u2014 h\u00e3y t\u1ea1o ghi ch\u00fa t\u1ea1m gi\u1eef thay v\u00ec \u0111o\u00e1n lo\u1ea1i.<\/li>\n<li style=\"margin:0 0 8px\"><strong>X\u00e1c nh\u1eadn tr\u01b0\u1edbc khi g\u1eedi y\u00eau c\u1ea7u b\u00e1o gi\u00e1 (RFQ):<\/strong> s\u1ed1 c\u1ef1c, b\u1ed1 tr\u00ed trung t\u00ednh\/n\u1ed1i \u0111\u1ea5t, c\u1ea5p b\u1ea3o v\u1ec7 IP trong nh\u00e0, hi\u1ec7u ch\u1ec9nh \u0111\u1ed9 cao v\u00e0 nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng.<\/li>\n<\/ul>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-7-which-suton-lines-match-common-circuit-breaker-types\">Ph\u1ea7n 7. D\u00f2ng s\u1ea3n ph\u1ea9m SUTON n\u00e0o ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c lo\u1ea1i c\u1ea7u dao ph\u1ed5 bi\u1ebfn?<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\"><img decoding=\"async\" style=\"max-width:640px;width:100%;height:auto;display:block;margin:0 auto;border-radius:8px\" alt=\"ETM6E IoT molded case circuit breaker\" src=\"https:\/\/cnsuton.com\/wp-content\/uploads\/2026\/06\/ETM6E-Series-loT-Molded-Case-Circuit-Breaker.webp\" \/><\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">S\u1eed d\u1ee5ng b\u1ea3ng \u0111\u1ecbnh tuy\u1ebfn n\u00e0y \u0111\u1ec3 di chuy\u1ec3n t\u1eeb <strong>c\u00e1c lo\u1ea1i c\u1ea7u dao \u0111i\u1ec7n<\/strong> \u0111\u1ebfn c\u00e1c trang SUTON c\u00f4ng khai\u2014sau \u0111\u00f3 g\u1eedi d\u1eef li\u1ec7u k\u1ef9 thu\u1eadt \u0111\u1ec3 x\u00e1c nh\u1eadn.<\/p>\n<table style=\"width:100%;border-collapse:collapse\">\n<thead>\n<tr>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Nh\u1eadp lo\u1ea1i<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Trang ch\u1ee7 SUTON<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">T\u1ea1i sao l\u1ea1i b\u1eaft \u0111\u1ea7u t\u1eeb \u0111\u00e2y<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Aptomat d\u1ea1ng m\u00f4-\u0111un \/ C\u1ea7u dao ch\u1ed1ng gi\u1eadt d\u1ea1ng m\u00f4-\u0111un<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\"><a href=\"https:\/\/cnsuton.com\/vi\/modular-din-rail-products\/\">S\u1ea3n ph\u1ea9m thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft d\u1ea1ng module l\u1eafp thanh ray DIN<\/a><\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">M\u1eadt \u0111\u1ed9 v\u00e0 chi\u1ec1u r\u1ed9ng m\u1ea1ch cu\u1ed1i<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">MCCB \/ MCCB th\u00f4ng minh<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\"><a href=\"https:\/\/cnsuton.com\/vi\/molded-case-circuit-breakers\/\">Aptomat kh\u1ed1i<\/a><\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">B\u1ed9 c\u1ea5p li\u1ec7u, \u0111\u1ed9ng c\u01a1, thi\u1ebft b\u1ecb ng\u1eaft c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">ACB<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\"><a href=\"https:\/\/cnsuton.com\/vi\/san-pham\/etw3-series-intelligent-air-circuit-breakers-2\/\">ACB th\u00f4ng minh ETW3<\/a><\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">C\u00e1c cu\u1ed9c tr\u00f2 chuy\u1ec7n v\u1edbi ngu\u1ed3n c\u1ea5p ch\u00ednh<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Aptomat MCCB chuy\u00ean d\u1ee5ng cho \u0111i\u1ec7n m\u1eb7t tr\u1eddi<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\"><a href=\"https:\/\/cnsuton.com\/vi\/pv-systems\/\">H\u1ec7 th\u1ed1ng PV<\/a><\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Ng\u1eef c\u1ea3nh b\u1ea3o v\u1ec7 h\u1ec7 th\u1ed1ng \u0111i\u1ec7n m\u1eb7t tr\u1eddi DC\/AC<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"margin:0 0 16px;line-height:1.7\">C\u00e1c khung v\u1ecf \u0111\u00fac h\u1ed7 tr\u1ee3 IoT nh\u01b0 <a href=\"https:\/\/cnsuton.com\/vi\/san-pham\/etm6e-series-lot-molded-case-circuit-breakeroperated-with-a-fixed-handle\/\">D\u00f2ng ETM6E<\/a> thu\u1ed9c l\u1edbp MCCB ngay c\u1ea3 khi b\u1ed9 ph\u1eadn ti\u1ebfp th\u1ecb d\u00f9ng thu\u1eadt ng\u1eef \u201captomat th\u00f4ng minh\u201d.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\"><strong>C\u00e1c \u0111\u1ea7u v\u00e0o RFQ \u0111\u1ec3 \u0111\u00ednh k\u00e8m:<\/strong> v\u1ecb tr\u00ed b\u1ea3ng \u0111i\u1ec7n, \u0111i\u1ec7n \u00e1p, In, Icu t\u1ed1i thi\u1ec3u, \u0111\u1eb7c t\u00ednh c\u1eaft ho\u1eb7c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt b\u1ed9 c\u1eaft \u0111i\u1ec7n t\u1eed, s\u1ed1 c\u1ef1c, s\u1ed1 l\u01b0\u1ee3ng, th\u1ecb tr\u01b0\u1eddng giao h\u00e0ng v\u00e0 b\u1ea5t k\u1ef3 y\u00eau c\u1ea7u nh\u00e3n OEM n\u00e0o. S\u1eed d\u1ee5ng <a href=\"https:\/\/cnsuton.com\/vi\/contact-us\/\">Li\u00ean h\u1ec7 SUTON<\/a> v\u1edbi c\u00e1c tr\u01b0\u1eddng \u0111\u00f3 \u0111\u1ec3 h\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\"><strong>C\u00e1c lo\u1ea1i aptomat (c\u1ea7u dao t\u1ef1 \u0111\u1ed9ng) ch\u00ednh trong t\u1ee7 \u0111i\u1ec7n h\u1ea1 th\u1ebf l\u00e0 g\u00ec?<\/strong><br \/>\nC\u00e1c d\u00f2ng ch\u00ednh l\u00e0 MCB cho m\u1ea1ch cu\u1ed1i, MCCB cho m\u1ea1ch nh\u00e1nh, ACB cho ngu\u1ed3n v\u00e0o ch\u00ednh, c\u1ed9ng v\u1edbi c\u00e1c m\u00f4-\u0111un RCCB\/RCBO, AFCI v\u00e0 SPD chuy\u00ean d\u1ee5ng khi ch\u1ee9c n\u0103ng b\u1ea3o v\u1ec7 y\u00eau c\u1ea7u.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\"><strong>S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa MCB v\u00e0 MCCB l\u00e0 g\u00ec?<\/strong><br \/>\nMCB l\u00e0 thi\u1ebft b\u1ecb m\u00f4-\u0111un nh\u1ecf g\u1ecdn d\u00e0nh cho m\u1ea1ch nh\u00e1nh theo ti\u00eau chu\u1ea9n IEC 60898-1. MCCB l\u00e0 thi\u1ebft b\u1ecb v\u1ecf \u0111\u00fac l\u1edbn h\u01a1n theo ti\u00eau chu\u1ea9n IEC 60947-2 d\u00f9ng cho d\u00f2ng \u0111i\u1ec7n v\u00e0 kh\u1ea3 n\u0103ng c\u1eaft cao h\u01a1n.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\"><strong>Khi n\u00e0o n\u00ean s\u1eed d\u1ee5ng ACB thay v\u00ec MCCB?<\/strong><br \/>\nKhi d\u00f2ng \u0111i\u1ec7n \u0111\u1ea7u v\u00e0o, chu k\u1ef3 ng\u1eaft ho\u1eb7c c\u00e1c y\u00eau c\u1ea7u v\u1ec1 kh\u1ea3 n\u0103ng b\u1ea3o tr\u00ec v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n th\u1ef1c t\u1ebf c\u1ee7a aptomat v\u1ecf \u0111\u00fac (molded-case)\u2014th\u01b0\u1eddng l\u00e0 \u1edf c\u00e1c v\u1ecb tr\u00ed thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft ch\u00ednh d\u1ef1a tr\u00ean k\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u s\u1ef1 c\u1ed1.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\"><strong>Kh\u1ea3 n\u0103ng c\u1eaft (Icu) \u0111\u1ed1i v\u1edbi m\u1ed9t aptomat (c\u1ea7u dao t\u1ef1 \u0111\u1ed9ng) c\u00f3 ngh\u0129a l\u00e0 g\u00ec?<\/strong><br \/>\nIcu l\u00e0 d\u00f2ng \u0111i\u1ec7n ng\u1eafn m\u1ea1ch d\u1ef1 ki\u1ebfn l\u1edbn nh\u1ea5t m\u00e0 thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft c\u00f3 th\u1ec3 ng\u1eaft d\u01b0\u1edbi c\u00e1c \u0111i\u1ec1u ki\u1ec7n th\u1eed nghi\u1ec7m x\u00e1c \u0111\u1ecbnh. Ch\u1ec9 s\u1ed1 Icu c\u1ee7a thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t ph\u1ea3i l\u1edbn h\u01a1n d\u00f2ng \u0111i\u1ec7n s\u1ef1 c\u1ed1 \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n t\u1ea1i v\u1ecb tr\u00ed \u0111\u00f3.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\"><strong>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ch\u1ecdn aptomat (c\u1ea7u dao t\u1ef1 \u0111\u1ed9ng) cho t\u1ee7 \u0111i\u1ec7n ph\u00e2n ph\u1ed1i?<\/strong><br \/>\nB\u1eaft \u0111\u1ea7u t\u1eeb v\u1ecb tr\u00ed m\u1ed9t d\u00f2ng, t\u1ea3i d\u00f2ng \u0111i\u1ec7n, m\u1ee9c s\u1ef1 c\u1ed1 v\u00e0 nhu c\u1ea7u ph\u1ed1i h\u1ee3p\u2014sau \u0111\u00f3 ch\u1ecdn c\u1ea5p MCB, MCCB ho\u1eb7c ACB tr\u01b0\u1edbc khi so s\u00e1nh d\u00f2ng s\u00ea-ri v\u00e0 khung.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\"><strong>C\u00e1ch MCB, MCCB v\u00e0 ACB ho\u1ea1t \u0111\u1ed9ng c\u00f9ng nhau trong m\u1ed9t t\u1ee7 \u0111i\u1ec7n l\u00e0 th\u00f4ng qua vi\u1ec7c ph\u1ed1i h\u1ee3p b\u1ea3o v\u1ec7 theo ph\u00e2n c\u1ea5p (c\u1ea5p \u0111\u1ed9 d\u00f2ng \u0111i\u1ec7n v\u00e0 th\u1eddi gian), nh\u1eb1m \u0111\u1ea3m b\u1ea3o an to\u00e0n cho to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng \u0111i\u1ec7n. S\u1ef1 k\u1ebft h\u1ee3p n\u00e0y th\u01b0\u1eddng tu\u00e2n theo nguy\u00ean t\u1eafc ph\u00e2n c\u1ea5p t\u1eeb ngu\u1ed3n v\u00e0o \u0111\u1ebfn t\u1ea3i ti\u00eau th\u1ee5:\n\n1. **ACB (M\u00e1y c\u1eaft kh\u00f4ng kh\u00ed - Air Circuit Breaker): C\u1ea5p b\u1ea3o v\u1ec7 ch\u00ednh (T\u1ed5ng)**\n   - **V\u1ecb tr\u00ed:** \u0110\u01b0\u1ee3c \u0111\u1eb7t \u1edf \u0111\u1ea7u ngu\u1ed3n c\u1ee7a h\u1ec7 th\u1ed1ng (ngu\u1ed3n \u0111i\u1ec7n ch\u00ednh t\u1eeb m\u00e1y bi\u1ebfn \u00e1p ho\u1eb7c m\u00e1y ph\u00e1t \u0111i\u1ec7n).\n   - **C\u00e1ch ho\u1ea1t \u0111\u1ed9ng:** ACB ch\u1ecbu to\u00e0n b\u1ed9 d\u00f2ng \u0111i\u1ec7n c\u1ee7a h\u1ec7 th\u1ed1ng. N\u00f3 x\u1eed l\u00fd c\u00e1c d\u00f2ng \u0111i\u1ec7n \u0111\u1ecbnh m\u1ee9c l\u1edbn (th\u01b0\u1eddng t\u1eeb 630A \u0111\u1ebfn 6300A) v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng ng\u1eaft d\u00f2ng ng\u1eafn m\u1ea1ch c\u1ef1c k\u1ef3 cao. N\u00f3 b\u1ea3o v\u1ec7 to\u00e0n b\u1ed9 t\u1ee7 \u0111i\u1ec7n v\u00e0 c\u00e1c thi\u1ebft b\u1ecb ph\u00eda sau kh\u1ecfi s\u1ef1 c\u1ed1 qu\u00e1 t\u1ea3i l\u1edbn ho\u1eb7c ng\u1eafn m\u1ea1ch ch\u00ednh.\n\n2. **MCCB (Aptomat d\u1ea1ng kh\u1ed1i - Molded Case Circuit Breaker): C\u1ea5p b\u1ea3o v\u1ec7 trung gian (Ph\u00e2n ph\u1ed1i)**\n   - **V\u1ecb tr\u00ed:** \u0110\u01b0\u1ee3c \u0111\u1eb7t \u1edf c\u00e1c nh\u00e1nh ph\u00e2n ph\u1ed1i ch\u00ednh b\u00ean trong t\u1ee7 \u0111i\u1ec7n (nh\u01b0 c\u1ea5p ngu\u1ed3n cho c\u00e1c t\u1ee7 ph\u1ee5, \u0111\u1ed9ng c\u01a1 l\u1edbn).\n   - **C\u00e1ch ho\u1ea1t \u0111\u1ed9ng:** Nh\u1eadn \u0111i\u1ec7n t\u1eeb sau ACB, MCCB x\u1eed l\u00fd d\u00f2ng \u0111i\u1ec7n \u1edf m\u1ee9c trung b\u00ecnh (th\u01b0\u1eddng t\u1eeb 100A \u0111\u1ebfn 1600A). N\u00f3 b\u1ea3o v\u1ec7 c\u00e1c \u0111\u01b0\u1eddng d\u00e2y nh\u00e1nh v\u00e0 ng\u0103n ch\u1eb7n s\u1ef1 c\u1ed1 \u1edf m\u1ed9t khu v\u1ef1c lan r\u1ed9ng ra to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng.\n\n3. **MCB (Aptomat thu nh\u1ecf - Miniature Circuit Breaker): C\u1ea5p b\u1ea3o v\u1ec7 cu\u1ed1i c\u00f9ng (T\u1ea3i\/Thi\u1ebft b\u1ecb)**\n   - **V\u1ecb tr\u00ed:** \u0110\u01b0\u1ee3c \u0111\u1eb7t \u1edf c\u00e1c nh\u00e1nh ph\u1ee5 cu\u1ed1i c\u00f9ng, g\u1ea7n thi\u1ebft b\u1ecb ti\u00eau th\u1ee5 ho\u1eb7c \u1ed5 c\u1eafm, chi\u1ebfu s\u00e1ng.\n   - **C\u00e1ch ho\u1ea1t \u0111\u1ed9ng:** X\u1eed l\u00fd d\u00f2ng \u0111i\u1ec7n nh\u1ecf (th\u01b0\u1eddng d\u01b0\u1edbi 125A). MCB b\u1ea3o v\u1ec7 tr\u1ef1c ti\u1ebfp c\u00e1c m\u1ea1ch \u0111i\u1ec7n cu\u1ed1i c\u00f9ng v\u00e0 c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n c\u1ee5 th\u1ec3 tr\u01b0\u1edbc nguy c\u01a1 qu\u00e1 t\u1ea3i ho\u1eb7c ng\u1eafn m\u1ea1ch c\u1ee5c b\u1ed9.\n\n**S\u1ef1 ph\u1ed1i h\u1ee3p (Selectivity\/Discrimination):**\nKhi x\u1ea3y ra s\u1ef1 c\u1ed1 (qu\u00e1 t\u1ea3i ho\u1eb7c ng\u1eafn m\u1ea1ch) \u1edf m\u1ed9t nh\u00e1nh nh\u1ecf, **MCB** c\u1ee7a nh\u00e1nh \u0111\u00f3 s\u1ebd nh\u1ea3y (trip) \u0111\u1ea7u ti\u00ean \u0111\u1ec3 c\u00f4 l\u1eadp s\u1ef1 c\u1ed1 m\u00e0 kh\u00f4ng l\u00e0m m\u1ea5t \u0111i\u1ec7n to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng. N\u1ebfu s\u1ef1 c\u1ed1 nghi\u00eam tr\u1ecdng h\u01a1n v\u01b0\u1ee3t qu\u00e1 kh\u1ea3 n\u0103ng c\u1ee7a MCB ho\u1eb7c x\u1ea3y ra \u1edf tuy\u1ebfn ch\u00ednh, **MCCB** s\u1ebd ng\u1eaft. Cu\u1ed1i c\u00f9ng, **ACB** \u0111\u00f3ng vai tr\u00f2 l\u00e0 \"v\u00f2ng th\u1ee7 cu\u1ed1i c\u00f9ng\", ch\u1ec9 ng\u1eaft khi x\u1ea3y ra s\u1ef1 c\u1ed1 l\u1edbn \u1edf ngu\u1ed3n t\u1ed5ng ho\u1eb7c khi c\u00e1c thi\u1ebft b\u1ecb ph\u00eda sau kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng \u0111\u00fang ch\u1ee9c n\u0103ng. S\u1ef1 ph\u1ed1i h\u1ee3p n\u00e0y \u0111\u1ea3m b\u1ea3o t\u00ednh li\u00ean t\u1ee5c c\u1ee7a ngu\u1ed3n \u0111i\u1ec7n v\u00e0 d\u1ec5 d\u00e0ng khoanh v\u00f9ng s\u1ef1 c\u1ed1.<\/strong><br \/>\nC\u00e1c thi\u1ebft b\u1ecb th\u01b0\u1ee3ng ngu\u1ed3n n\u00ean ph\u1ed1i h\u1ee3p v\u1edbi nhau \u0111\u1ec3 s\u1ef1 c\u1ed1 \u0111\u01b0\u1ee3c kh\u1eafc ph\u1ee5c \u1edf thi\u1ebft b\u1ecb th\u1ea5p nh\u1ea5t c\u00f3 th\u1ec3 ng\u1eaft m\u1ea1ch m\u1ed9t c\u00e1ch an to\u00e0n\u2014th\u00f4ng th\u01b0\u1eddng l\u00e0 ACB ho\u1eb7c MCCB t\u1ed5ng n\u1eb1m ph\u00eda tr\u00ean c\u00e1c MCCB nh\u00e1nh v\u00e0 MCB d\u1ea1ng module \u1edf c\u00e1c m\u1ea1ch cu\u1ed1i.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\">T\u00e0i li\u1ec7u tham kh\u1ea3o<\/h2>\n<ul style=\"margin:0 0 18px 1.2em;line-height:1.7\">\n<li style=\"margin:0 0 8px\"><a href=\"https:\/\/webstore.iec.ch\/en\/publication\/60239\" rel=\"nofollow noopener\" target=\"_blank\">IEC 60898-1 \u2014 C\u1ea7u dao b\u1ea3o v\u1ec7 qu\u00e1 d\u00f2ng cho l\u1eafp \u0111\u1eb7t gia and t\u01b0\u01a1ng t\u1ef1<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"https:\/\/webstore.iec.ch\/en\/publication\/6012\" rel=\"nofollow noopener\" target=\"_blank\">IEC 60947-2 \u2014 Thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft v\u00e0 \u0111i\u1ec1u khi\u1ec3n h\u1ea1 \u00e1p \u2014 C\u1ea7u dao (Aptomat)<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"https:\/\/electronics.howstuffworks.com\/circuit-breaker.htm\" rel=\"nofollow noopener\" target=\"_blank\">Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u1ea7u dao t\u1ef1 \u0111\u1ed9ng \u2014 t\u1ed5ng quan v\u1ec1 c\u01a1 ch\u1ebf ng\u1eaft nhi\u1ec7t-t\u1eeb<\/a><\/li>\n<\/ul>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Circuit breaker types in low-voltage distribution are grouped by construction class and panel position: MCB for final circuits, MCCB for feeders, ACB for main incomers, with RCBO, AFCI and SPD devices added when the protection function requires them. Choosing the right type starts with where the device sits in the single-line diagram\u2014not with a catalogue [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":2299,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_gspb_post_css":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-2696","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":7}},"acf":[],"_links":{"self":[{"href":"https:\/\/cnsuton.com\/vi\/wp-json\/wp\/v2\/posts\/2696","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cnsuton.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cnsuton.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cnsuton.com\/vi\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/cnsuton.com\/vi\/wp-json\/wp\/v2\/comments?post=2696"}],"version-history":[{"count":2,"href":"https:\/\/cnsuton.com\/vi\/wp-json\/wp\/v2\/posts\/2696\/revisions"}],"predecessor-version":[{"id":2711,"href":"https:\/\/cnsuton.com\/vi\/wp-json\/wp\/v2\/posts\/2696\/revisions\/2711"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cnsuton.com\/vi\/wp-json\/wp\/v2\/media\/2299"}],"wp:attachment":[{"href":"https:\/\/cnsuton.com\/vi\/wp-json\/wp\/v2\/media?parent=2696"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cnsuton.com\/vi\/wp-json\/wp\/v2\/categories?post=2696"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cnsuton.com\/vi\/wp-json\/wp\/v2\/tags?post=2696"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}