{"id":2943,"date":"2026-08-12T05:10:00","date_gmt":"2026-08-12T05:10:00","guid":{"rendered":"https:\/\/cnsuton.com\/?p=2943"},"modified":"2026-08-12T05:35:45","modified_gmt":"2026-08-12T05:35:45","slug":"200-amp-breaker-guide-for-panel-builders","status":"publish","type":"post","link":"https:\/\/cnsuton.com\/vi\/blog\/200-amp-breaker-guide-for-panel-builders\/","title":{"rendered":"L\u1ef1a ch\u1ecdn MCCB 200 Ampe cho t\u1ee7 \u0111i\u1ec7n h\u1ea1 th\u1ebf"},"content":{"rendered":"
\n

Vi\u1ec7c l\u1ef1a ch\u1ecdn c\u1ea7u dao 200 am-pe ch\u1ec9 ho\u00e0n t\u1ea5t khi \u201c200 A\u201d \u0111\u01b0\u1ee3c g\u1eafn k\u1ebft v\u1edbi m\u1ed9t lo\u1ea1i thi\u1ebft b\u1ecb, khung, s\u1ed1 c\u1ef1c, \u0111i\u1ec7n \u00e1p h\u1ec7 th\u1ed1ng, b\u1ed9 ng\u1eaft, c\u01a1 s\u1edf b\u1ea3o v\u1ec7 d\u00e2y d\u1eabn v\u00e0 d\u00f2ng s\u1ef1 c\u1ed1 c\u1ee5 th\u1ec3. B\u1ea3ng ETM1 c\u00f4ng khai c\u1ee7a SUTON bao g\u1ed3m 200 A, nh\u01b0ng ri\u00eang \u0111\u1ecbnh m\u1ee9c \u0111\u00f3 th\u00ec ch\u01b0a x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh cu\u1ed1i c\u00f9ng.<\/p>\n

\"ETM1<\/figure>\n

X\u00e1c nh\u1eadn r\u1eb1ng y\u00eau c\u1ea7u l\u00e0 d\u00e0nh cho m\u1ed9t c\u1ea7u dao<\/h2>\n

K\u1ebft qu\u1ea3 t\u00ecm ki\u1ebfm th\u01b0\u1eddng nh\u1ea7m l\u1eabn gi\u1eefa MCCB 200 A v\u1edbi t\u1ee7 \u0111i\u1ec7n ho\u1eb7c ngu\u1ed3n \u0111i\u1ec7n 200 A. \u0110\u1ecbnh m\u1ee9c t\u1ee7 \u0111i\u1ec7n m\u00f4 t\u1ea3 gi\u1edbi h\u1ea1n c\u1ee7a m\u1ed9t c\u1ee5m thi\u1ebft b\u1ecb; \u0111\u1ecbnh m\u1ee9c aptomat m\u00f4 t\u1ea3 m\u1ed9t thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 d\u01b0\u1edbi c\u00e1c \u0111i\u1ec1u ki\u1ec7n \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh. H\u00e3y ghi l\u1ea1i ch\u00ednh x\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng m\u00e0 d\u1ef1 \u00e1n y\u00eau c\u1ea7u tr\u01b0\u1edbc khi so s\u00e1nh c\u00e1c s\u1ea3n ph\u1ea9m.<\/p>\n

The H\u01b0\u1edbng d\u1eabn c\u00e1c lo\u1ea1i c\u1ea7u dao t\u1ef1 \u0111\u1ed9ng<\/a> gi\u00fap ph\u00e2n \u0111\u1ecbnh r\u00f5 vai tr\u00f2 c\u1ee7a MCB, MCCB v\u00e0 ACB. \u1ede m\u1ee9c d\u00f2ng \u0111i\u1ec7n 200 A trong \u1ee9ng d\u1ee5ng nh\u00e1nh l\u1ed9 h\u1ea1 th\u1ebf (LV feeder) ho\u1eb7c thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft ngu\u1ed3n t\u1ed5ng (incomer), MCCB th\u01b0\u1eddng l\u00e0 d\u00f2ng thi\u1ebft b\u1ecb ph\u00f9 h\u1ee3p, nh\u01b0ng thi\u1ebft k\u1ebf c\u1ee7a d\u1ef1 \u00e1n v\u1eabn l\u00e0 y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh.<\/p>\n

Gi\u1eef ri\u00eang khung, d\u00f2ng \u0111\u1ecbnh m\u1ee9c v\u00e0 \u0111\u1eb7c t\u00ednh c\u1eaft<\/h2>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n
Tr\u01b0\u1eddng l\u1ef1a ch\u1ecdn<\/th>\nT\u00e0i li\u1ec7u b\u1eaft bu\u1ed9c<\/th>\nL\u1ed7i ph\u1ed5 bi\u1ebfn<\/th>\n<\/tr>\n<\/thead>\n
D\u00f2ng \u0111i\u1ec7n \u0111\u1ecbnh m\u1ee9c<\/td>\nthi\u1ebft k\u1ebf m\u1ea1ch \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 v\u00e0 \u0111\u1ecbnh m\u1ee9c linh ki\u1ec7n c\u00f3 s\u1eb5n<\/td>\ncoi 200 A l\u00e0 m\u00f4 h\u00ecnh ho\u00e0n ch\u1ec9nh<\/td>\n<\/tr>\n
Khung<\/td>\nr\u00e0ng bu\u1ed9c khung nh\u00e0 s\u1ea3n xu\u1ea5t v\u00e0 b\u1ea3ng v\u1eadt l\u00fd<\/td>\ngi\u1ea3 s\u1eed \u0111\u1ecbnh m\u1ee9c khung b\u1eb1ng v\u1edbi \u0111\u1ecbnh m\u1ee9c t\u00e1c \u0111\u1ed9ng<\/td>\n<\/tr>\n
Ng\u01b0\u1eddi Ba Lan<\/td>\nY\u00eau c\u1ea7u v\u1ec1 n\u1ed1i \u0111\u1ea5t h\u1ec7 th\u1ed1ng v\u00e0 \u0111\u00f3ng c\u1eaft\/b\u1ea3o v\u1ec7<\/td>\nsao ch\u00e9p s\u1ed1 l\u01b0\u1ee3ng c\u1ed9t t\u1eeb m\u1ed9t d\u1ef1 \u00e1n kh\u00e1c<\/td>\n<\/tr>\n
\u0110i\u1ec7n \u00e1p\/t\u1ea7n s\u1ed1<\/td>\nd\u1eef li\u1ec7u h\u1ec7 th\u1ed1ng th\u1ef1c t\u1ebf<\/td>\n\u0111ang ki\u1ec3m tra d\u00f2ng \u0111i\u1ec7n trong khi b\u1ecf qua ph\u1ea1m vi \u0111i\u1ec7n \u00e1p<\/td>\n<\/tr>\n
B\u1ed9 ng\u1eaft m\u1ea1ch<\/td>\nc\u00e1c y\u00eau c\u1ea7u v\u1ec1 qu\u00e1 t\u1ea3i, ng\u1eafn m\u1ea1ch v\u00e0 s\u1ef1 c\u1ed1 ch\u1ea1m \u0111\u1ea5t t\u00f9y ch\u1ecdn<\/td>\ngi\u1ea3 s\u1eed m\u1ecdi th\u00e0nh vi\u00ean trong gia \u0111\u00ecnh \u0111\u1ec1u c\u00f3 c\u00e1c ch\u1ee9c n\u0103ng gi\u1ed1ng nhau<\/td>\n<\/tr>\n
Kh\u1ea3 n\u0103ng c\u1eaft<\/td>\nt\u00ednh to\u00e1n d\u00f2ng ng\u1eafn m\u1ea1ch d\u1ef1 ki\u1ebfn<\/td>\ns\u1eed d\u1ee5ng m\u1ee9c t\u1ed1i \u0111a c\u1ee7a danh m\u1ee5c m\u00e0 kh\u00f4ng kh\u1edbp v\u1edbi c\u1ea5p \u0111\u1ed9 \u0111\u00e3 ch\u1ecdn<\/td>\n<\/tr>\n
S\u1ef1 ph\u1ed1i h\u1ee3p<\/td>\nnghi\u00ean c\u1ee9u thi\u1ebft b\u1ecb th\u01b0\u1ee3ng ngu\u1ed3n\/h\u1ea1 ngu\u1ed3n ho\u1eb7c b\u1ea3ng c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t<\/td>\nkh\u1eb3ng \u0111\u1ecbnh t\u00ednh ch\u1ecdn l\u1ecdc ch\u1ec9 t\u1eeb s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 m\u1ee9c \u0111\u1ed9 \u0111\u00e1nh gi\u00e1<\/td>\n<\/tr>\n
M\u00f4i tr\u01b0\u1eddng<\/td>\n\u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng xung quanh, \u0111\u1ed9 cao, v\u1ecf b\u1ecdc v\u00e0 k\u1ebft n\u1ed1i<\/td>\nb\u1ecf qua nhu c\u1ea7u hi\u1ec7u ch\u1ec9nh ho\u1eb7c gi\u1ea3m \u0111\u1ecbnh m\u1ee9c<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
\"ETM3E<\/figure>\n

Bu\u1ed5i ph\u00e1t tr\u1ef1c ti\u1ebfp H\u01b0\u1edbng d\u1eabn c\u1ea7u dao 125 ampe<\/a> bao ph\u1ee7 m\u1ed9t \u0111\u1ecbnh m\u1ee9c m\u1ea1ch c\u1ea5p li\u1ec1n k\u1ec1 th\u1ea5p h\u01a1n. Kh\u00f4ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng n\u00f3 \u0111\u1ec3 n\u1ed9i suy hi\u1ec7u su\u1ea5t 200 A; d\u1eef li\u1ec7u khung v\u00e0 thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c ch\u1ecdn ph\u1ea3i \u0111\u01b0\u1ee3c ki\u1ec3m tra tr\u1ef1c ti\u1ebfp.<\/p>\n

Ki\u1ec3m tra b\u1ea3o v\u1ec7 d\u00e2y d\u1eabn tr\u01b0\u1edbc khi ph\u00ea duy\u1ec7t 200 A<\/h2>\n

Vi\u1ec7c t\u00ednh to\u00e1n d\u00e2y d\u1eabn thi\u1ebft l\u1eadp m\u1ed9t ranh gi\u1edbi b\u1ea3o v\u1ec7. V\u1eadt li\u1ec7u, ti\u1ebft di\u1ec7n, c\u1ea5p c\u00e1ch \u0111i\u1ec7n, ph\u01b0\u01a1ng ph\u00e1p l\u1eafp \u0111\u1eb7t, nh\u00f3m c\u00e1p, nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng v\u00e0 c\u00e1c quy t\u1eafc hi\u1ec7n h\u00e0nh \u0111\u1ec1u c\u00f3 th\u1ec3 l\u00e0m thay \u0111\u1ed5i d\u00f2ng \u0111i\u1ec7n cho ph\u00e9p.<\/p>\n

Kh\u00f4ng s\u1eed d\u1ee5ng b\u1ea3ng k\u00edch th\u01b0\u1edbc d\u00e2y chung t\u1eeb m\u1ed9t b\u00e0i b\u00e1o t\u1ed5ng qu\u00e1t l\u00e0m h\u1ed3 s\u01a1 d\u1ef1 \u00e1n. H\u00e3y \u0111\u00ednh k\u00e8m b\u1ea3n t\u00ednh to\u00e1n d\u00e2y d\u1eabn th\u1ef1c t\u1ebf v\u00e0o vi\u1ec7c l\u1ef1a ch\u1ecdn MCCB, v\u00e0 xem x\u00e9t l\u1ea1i n\u1ebfu \u0111\u1ecbnh m\u1ee9c ho\u1eb7c c\u00e0i \u0111\u1eb7t ng\u1eaft thay \u0111\u1ed5i.<\/p>\n

Chu\u1ea9n b\u1ecb b\u00e0n giao MCCB 200 A<\/h2>\n

Bao g\u1ed3m:<\/p>\n

    \n
  1. vai tr\u00f2 m\u1ea1ch\u2014m\u1ea1ch c\u1ea5p ngu\u1ed3n (feeder), m\u1ea1ch v\u00e0o (incomer), m\u1ea1ch \u0111\u1ed9ng c\u01a1 ho\u1eb7c ch\u1ee9c n\u0103ng kh\u00e1c;<\/li>\n
  2. d\u00f2ng \u0111i\u1ec7n thi\u1ebft k\u1ebf v\u00e0 bi\u1ec3u \u0111\u1ed3 ph\u1ee5 t\u1ea3i;<\/li>\n
  3. d\u1eef li\u1ec7u v\u1ec1 d\u00e2y d\u1eabn v\u00e0 l\u1eafp \u0111\u1eb7t;<\/li>\n
  4. \u0111i\u1ec7n \u00e1p h\u1ec7 th\u1ed1ng, t\u1ea7n s\u1ed1 v\u00e0 s\u1ed1 c\u1ef1c;<\/li>\n
  5. khung theo y\u00eau c\u1ea7u v\u00e0 c\u01a1 c\u1ea5u ng\u1eaft c\u1ed1 \u0111\u1ecbnh\/\u0111i\u1ec1u ch\u1ec9nh;<\/li>\n
  6. d\u00f2ng \u0111i\u1ec7n ng\u1eafn m\u1ea1ch d\u1ef1 ki\u1ebfn;<\/li>\n
  7. ti\u00eau ch\u00ed d\u1ef1 \u00e1n Icu\/Ics ho\u1eb7c t\u01b0\u01a1ng \u0111\u01b0\u01a1ng b\u1eaft bu\u1ed9c;<\/li>\n
  8. y\u00eau c\u1ea7u ph\u1ed1i h\u1ee3p v\u00e0 duy tr\u00ec t\u00ednh li\u00ean t\u1ee5c c\u1ee7a d\u1ecbch v\u1ee5;<\/li>\n
  9. \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng xung quanh, \u0111\u1ed9 cao v\u00e0 v\u1ecf b\u1ecdc;<\/li>\n
  10. c\u01a1 ch\u1ebf v\u1eadn h\u00e0nh, c\u00e1c \u0111\u1ea7u c\u1ef1c v\u00e0 ph\u1ee5 ki\u1ec7n;<\/li>\n
  11. ti\u00eau chu\u1ea9n, ch\u1ee9ng ch\u1ec9 v\u00e0 c\u00e1c y\u00eau c\u1ea7u v\u1ec1 b\u1eb1ng ch\u1ee9ng th\u1eed nghi\u1ec7m.<\/li>\n<\/ol>\n

    B\u1ea3n ghi n\u00e0y cho ph\u00e9p b\u1ed9 ph\u1eadn k\u1ef9 thu\u1eadt v\u00e0 b\u1ed9 ph\u1eadn mua s\u1eafm c\u00f9ng \u0111\u00e1nh gi\u00e1 m\u1ed9t thi\u1ebft b\u1ecb thay v\u00ec hai c\u00e1ch hi\u1ec3u kh\u00e1c nhau v\u1ec1 c\u1ee5m t\u1eeb \u201captomat 200 ampe\u201d.\u201d<\/p>\n

    B\u1eaft \u0111\u1ea7u \u0111\u00e1nh gi\u00e1 MCCB 200 A v\u1edbi ETM1<\/h2>\n

    The MCCB d\u00f2ng SUTON ETM1<\/a> b\u1ea3ng c\u00f4ng c\u1ed9ng bao g\u1ed3m 200 A. Trang m\u00f4 t\u1ea3 d\u00f2ng s\u1ea3n ph\u1ea9m ETM1 bao g\u1ed3m t\u1eeb 10\u20131250 A, d\u00e0nh cho c\u00e1c h\u1ec7 th\u1ed1ng AC 50 Hz c\u00f3 \u0111i\u1ec7n \u00e1p ho\u1ea1t \u0111\u1ed9ng \u0111\u1ecbnh m\u1ee9c l\u00ean t\u1edbi 690 V, v\u00e0 li\u1ec7t k\u00ea c\u00e1c ti\u00eau chu\u1ea9n \u00e1p d\u1ee5ng l\u00e0 IEC 60947-2 v\u00e0 GB\/T 14048.2.<\/p>\n

    \"ETM1L<\/figure>\n

    S\u1eed d\u1ee5ng ph\u00e2n lo\u1ea1i aptomat kh\u1ed1i<\/a> \u0111\u1ec3 so s\u00e1nh c\u00e1c \u0111\u01b0\u1eddng d\u1eabn ch\u1ee9c n\u0103ng \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c minh. C\u00e1c ch\u1ee9c n\u0103ng \u0111o l\u01b0\u1eddng ETM3E ho\u1eb7c b\u1ea3o v\u1ec7 d\u00f2ng d\u01b0 ETM1L l\u00e0 c\u00e1c quy\u1ebft \u0111\u1ecbnh d\u00f2ng s\u1ea3n ph\u1ea9m ri\u00eang bi\u1ec7t; kh\u00f4ng gi\u1ea3 \u0111\u1ecbnh r\u1eb1ng ch\u00fang \u0111\u01b0\u1ee3c bao g\u1ed3m trong m\u1ed9t y\u00eau c\u1ea7u c\u01a1 b\u1ea3n ETM1 200 A. Y\u00eau c\u1ea7u SUTON x\u00e1c nh\u1eadn ch\u00ednh x\u00e1c khung, s\u1ed1 c\u1ef1c, c\u1ea5p kh\u1ea3 n\u0103ng c\u1eaft, b\u1ed1 tr\u00ed c\u1eaft v\u00e0 t\u00e0i li\u1ec7u tr\u01b0\u1edbc khi ph\u00e1t h\u00e0nh BOM.<\/p>\n

    T\u00e0i li\u1ec7u tham kh\u1ea3o<\/h2>\n