{"id":2942,"date":"2026-08-12T05:10:00","date_gmt":"2026-08-12T05:10:00","guid":{"rendered":"https:\/\/cnsuton.com\/blog\/150-amp-breaker-guide-for-panel-builders\/"},"modified":"2026-08-12T05:35:24","modified_gmt":"2026-08-12T05:35:24","slug":"150-amp-breaker-guide-for-panel-builders","status":"publish","type":"post","link":"https:\/\/cnsuton.com\/vi\/blog\/150-amp-breaker-guide-for-panel-builders\/","title":{"rendered":"C\u00e1ch x\u1eed l\u00fd y\u00eau c\u1ea7u aptomat 150 Ampe trong t\u1ee7 \u0111i\u1ec7n h\u1ea1 th\u1ebf"},"content":{"rendered":"
\n

N\u1ebfu m\u1ed9t th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt y\u00eau c\u1ea7u aptomat 150 ampe, \u0111\u1eebng m\u1eb7c \u0111\u1ecbnh r\u1eb1ng thi\u1ebft b\u1ecb g\u1ea7n nh\u1ea5t trong danh m\u1ee5c l\u00e0 t\u1ef1 \u0111\u1ed9ng c\u00f3 th\u1ec3 ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c. B\u1ea3ng d\u00f2ng \u0111i\u1ec7n \u0111\u1ecbnh m\u1ee9c ETM1 c\u00f4ng b\u1ed1 c\u00f4ng khai c\u1ee7a SUTON li\u1ec7t k\u00ea c\u00e1c m\u1ee9c 125 A v\u00e0 160 A xung quanh \u0111i\u1ec3m n\u00e0y, nh\u01b0ng kh\u00f4ng li\u1ec7t k\u00ea gi\u00e1 tr\u1ecb ch\u00ednh x\u00e1c 150 A. B\u01b0\u1edbc ti\u1ebfp theo ch\u00ednh x\u00e1c l\u00e0 ki\u1ec3m tra k\u1ef9 thu\u1eadt v\u00e0 nh\u00e0 s\u1ea3n xu\u1ea5t \u2014 ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0m tr\u00f2n \u00e2m th\u1ea7m.<\/p>\n

\"SUTON<\/figure>\n

S\u1ef1 ph\u00e2n bi\u1ec7t n\u00e0y l\u00e0m cho ch\u1ee7 \u0111\u1ec1 tr\u1edf n\u00ean h\u1eefu \u00edch \u0111\u1ed1i\u0e01\u0e31\u0e1a\u0e01\u0e32\u0e23 c\u00e1c nh\u00e0 l\u1eafp r\u00e1p t\u1ee7 \u0111i\u1ec7n: \u201c150 A\u201d c\u00f3 th\u1ec3 m\u00f4 t\u1ea3 m\u1ed9t t\u1ea3i \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n, y\u00eau c\u1ea7u v\u1ec1 ngu\u1ed3n c\u1ea5p ho\u1eb7c nh\u00e1nh, nh\u00e3n thi\u1ebft b\u1ecb c\u0169, ho\u1eb7c y\u00eau c\u1ea7u v\u1ec1 d\u00f2ng c\u1eaft ch\u00ednh x\u00e1c. Nh\u1eefng \u00fd ngh\u0129a \u0111\u00f3 d\u1eabn \u0111\u1ebfn c\u00e1c quy\u1ebft \u0111\u1ecbnh kh\u00e1c nhau.<\/p>\n

Tr\u01b0\u1edbc ti\u00ean, h\u00e3y x\u00e1c \u0111\u1ecbnh con s\u1ed1 150 A \u0111\u1ea1i di\u1ec7n cho \u0111i\u1ec1u g\u00ec<\/h2>\n

H\u00e3y h\u1ecfi gi\u00e1 tr\u1ecb \u0111\u00f3 xu\u1ea5t ph\u00e1t t\u1eeb \u0111\u00e2u. D\u00f2ng \u0111i\u1ec7n thi\u1ebft k\u1ebf, kh\u1ea3 n\u0103ng mang d\u00f2ng c\u1ee7a d\u00e2y d\u1eabn, \u0111\u1ecbnh m\u1ee9c thanh d\u1eabn t\u1ee7 \u0111i\u1ec7n v\u00e0 \u0111\u1ecbnh m\u1ee9c d\u00f2ng \u0111i\u1ec7n c\u1ee7aaptomat kh\u00f4ng th\u1ec3 thay th\u1ebf cho nhau. H\u00e3y gi\u1eef l\u1ea1i y\u00eau c\u1ea7u ban \u0111\u1ea7u v\u00e0 ngu\u1ed3n g\u1ed1c c\u1ee7a n\u00f3 trong h\u1ed3 s\u01a1 thi\u1ebft k\u1ebf.<\/p>\n

The H\u01b0\u1edbng d\u1eabn c\u1ea7u dao 125 ampe<\/a> v\u00e0 H\u01b0\u1edbng d\u1eabn v\u1ec1 c\u1ea7u dao 100 ampe<\/a> cung c\u1ea5p b\u1ed1i c\u1ea3nh x\u1ebfp h\u1ea1ng li\u1ec1n k\u1ec1, nh\u01b0ng kh\u00f4ng b\u00ean n\u00e0o \u1ee7y quy\u1ec1n thay th\u1ebf cho y\u00eau c\u1ea7u 150 A.<\/p>\n

Gi\u1ea3i quy\u1ebft kho\u1ea3ng h\u1edf tr\u01b0\u1edbc khi ch\u1ecdn m\u1ed9t khung h\u00ecnh<\/h2>\n
\n\n\n\n\n\n\n\n\n\n\n\n
C\u00e2u h\u1ecfi<\/th>\nY\u00eau c\u1ea7u cung c\u1ea5p b\u1eb1ng ch\u1ee9ng<\/th>\nT\u1ea1i sao \u0111i\u1ec1u \u0111\u00f3 quan tr\u1ecdng<\/th>\n<\/tr>\n<\/thead>\n
150 A l\u00e0 t\u1ea3i t\u00ednh to\u00e1n hay \u0111\u1ecbnh m\u1ee9c aptomat \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u?<\/td>\nbi\u1ec3u ti\u1ebfn \u0111\u1ed9 t\u1ea3i v\u00e0 c\u01a1 s\u1edf thi\u1ebft k\u1ebf<\/td>\nm\u1ed9t gi\u00e1 tr\u1ecb t\u1ea3i tr\u1ecdng c\u00f3 th\u1ec3 y\u00eau c\u1ea7u m\u1ed9t m\u1ee9c \u0111\u1ecbnh m\u1ee9c b\u1ea3o v\u1ec7 kh\u00e1c<\/td>\n<\/tr>\n
Thi\u1ebft b\u1ecb \u0111\u1ec1 xu\u1ea5t c\u00f3 th\u1ec3 b\u1ea3o v\u1ec7 \u0111\u01b0\u1ee3c d\u00e2y d\u1eabn kh\u00f4ng?<\/td>\nv\u1eadt li\u1ec7u, ti\u1ebft di\u1ec7n, l\u1eafp \u0111\u1eb7t, nhi\u1ec7t \u0111\u1ed9 v\u00e0 ph\u01b0\u01a1ng ph\u00e1p theo quy chu\u1ea9n<\/td>\nng\u0103n ch\u1eb7n m\u1ed9t c\u00e0i \u0111\u1eb7t b\u1ea3o v\u1ec7 qu\u00e1 l\u1edbn<\/td>\n<\/tr>\n
B\u1ed9 truy\u1ec1n \u0111\u1ed9ng c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh c\u00f3 \u0111\u01b0\u1ee3c ph\u00e9p s\u1eed d\u1ee5ng kh\u00f4ng?<\/td>\nd\u1eef li\u1ec7u thi\u1ebft b\u1ecb v\u00e0 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt d\u1ef1 \u00e1n<\/td>\nm\u1ed9t ph\u1ea1m vi \u0111i\u1ec1u ch\u1ec9nh kh\u00f4ng gi\u1ed1ng v\u1edbi t\u00f9y ch\u1ecdn 150 A c\u1ed1 \u0111\u1ecbnh \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1<\/td>\n<\/tr>\n
Khung n\u00e0o \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t?<\/td>\n\u0111\u1ecbnh m\u1ee9c khung v\u00e0 c\u00e1c t\u00f9y ch\u1ecdn chuy\u1ebfn \u0111i\/d\u00f2ng \u0111i\u1ec7n \u0111\u1ecbnh m\u1ee9c c\u00f3 s\u1eb5n<\/td>\nk\u00edch th\u01b0\u1edbc khung kh\u00f4ng t\u01b0\u01a1ng \u1ee9ng v\u1edbi d\u00f2ng \u0111i\u1ec7n \u0111\u00e3 ch\u1ecdn<\/td>\n<\/tr>\n
D\u00f2ng c\u1eaft s\u1ef1 c\u1ed1 l\u00e0 g\u00ec?<\/td>\nt\u00ednh to\u00e1n d\u00f2ng ng\u1eafn m\u1ea1ch d\u1ef1 ki\u1ebfn<\/td>\nKh\u1ea3 n\u0103ng c\u1eaft ph\u1ea3i \u0111\u00e1p \u1ee9ng t\u1ea1i \u0111i\u1ec3m l\u1eafp \u0111\u1eb7t<\/td>\n<\/tr>\n
C\u1ea7n s\u1ef1 ph\u1ed1i h\u1ee3p n\u00e0o?<\/td>\nd\u1eef li\u1ec7u thi\u1ebft b\u1ecb th\u01b0\u1ee3ng ngu\u1ed3n\/h\u1ea1 ngu\u1ed3n<\/td>\nt\u00ednh ch\u1ecdn l\u1ecdc ph\u1ea3i \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi c\u00e1c b\u1ea3ng ho\u1eb7c nghi\u00ean c\u1ee9u<\/td>\n<\/tr>\n
160 A c\u00f3 ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c kh\u00f4ng?<\/td>\nph\u00ea duy\u1ec7t k\u1ef9 thu\u1eadt v\u00e0 ki\u1ec3m tra d\u00e2y d\u1eabn<\/td>\ns\u1ef1 g\u1ea7n g\u1ee1 v\u1ec1 m\u1eb7t s\u1ed1 l\u01b0\u1ee3ng l\u00e0 ch\u01b0a \u0111\u1ee7<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
\"ETM3E<\/figure>\n

K\u00edch th\u01b0\u1edbc khung v\u00e0 d\u00f2ng \u0111i\u1ec7n \u0111\u1ecbnh m\u1ee9c ph\u1ea3i \u0111\u01b0\u1ee3c gi\u1eef ri\u00eang bi\u1ec7t<\/h2>\n

Khung MCCB x\u00e1c \u0111\u1ecbnh n\u1ec1n t\u1ea3ng thi\u1ebft b\u1ecb v\u00e0 kh\u1ea3 n\u0103ng t\u1ed1i \u0111a. D\u00f2ng \u0111i\u1ec7n \u0111\u1ecbnh m\u1ee9c ho\u1eb7c c\u00e0i \u0111\u1eb7t ng\u1eaft \u0111\u01b0\u1ee3c ch\u1ecdn l\u00e0 m\u1ed9t th\u00f4ng s\u1ed1 kh\u00e1c. T\u00f9y ch\u1ecdn 160 A b\u00ean trong m\u1ed9t khung ph\u00f9 h\u1ee3p kh\u00f4ng bi\u1ebfn th\u00e0nh c\u1ea7u dao 150 A ch\u1ec9 v\u00ec \u01b0\u1edbc t\u00ednh t\u1ea3i g\u1ea7n b\u1eb1ng m\u1ee9c \u0111\u00f3.<\/p>\n

T\u01b0\u01a1ng t\u1ef1, m\u1ed9t b\u1ed9 ng\u1eaft \u0111i\u1ec7n t\u1eed c\u00f3 th\u1ec3 cung c\u1ea5p kh\u1ea3 n\u0103ng \u0111i\u1ec1u ch\u1ec9nh, nh\u01b0ng b\u1ea5t k\u1ef3 c\u00e0i \u0111\u1eb7t n\u00e0o \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t \u0111\u1ec1u ph\u1ea3i \u0111\u01b0\u1ee3c x\u00e1c minh d\u1ef1a tr\u00ean ch\u00ednh x\u00e1c b\u1ed9 ng\u1eaft, kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 d\u00e2y d\u1eabn, dung sai, t\u00ednh ph\u1ed1i h\u1ee3p v\u00e0 c\u00e1c quy \u0111\u1ecbnh c\u1ee7a d\u1ef1 \u00e1n. Kh\u00f4ng \u0111\u01b0\u1ee3c suy ra c\u00e0i \u0111\u1eb7t 150 A c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh t\u1eeb m\u1ed9t trang c\u1ea5p d\u00f2ng s\u1ea3n ph\u1ea9m kh\u00f4ng c\u00f4ng b\u1ed1 th\u00f4ng s\u1ed1 \u0111\u00f3.<\/p>\n

T\u1ea1o m\u1ed9t y\u00eau c\u1ea7u MCCB ho\u00e0n ch\u1ec9nh<\/h2>\n

\u0110\u1ed1i v\u1edbi y\u00eau c\u1ea7u b\u00e1o gi\u00e1 (RFQ) ho\u1eb7c c\u00e2u h\u1ecfi thi\u1ebft k\u1ebf, vui l\u00f2ng g\u1eedi:<\/p>\n

    \n
  1. ngu\u1ed3n g\u1ed1c v\u00e0 \u00fd ngh\u0129a c\u1ee7a y\u00eau c\u1ea7u 150 A;<\/li>\n
  2. \u0111i\u1ec7n \u00e1p h\u1ec7 th\u1ed1ng, t\u1ea7n s\u1ed1 v\u00e0 s\u1ed1 c\u1ef1c;<\/li>\n
  3. d\u00f2ng t\u1ea3i t\u00ednh to\u00e1n v\u00e0 bi\u1ec3u \u0111\u1ed3 chu k\u1ef3 l\u00e0m vi\u1ec7c;<\/li>\n
  4. th\u00f4ng tin v\u1ec1 d\u00e2y d\u1eabn v\u00e0 \u0111i\u1ec1u ki\u1ec7n l\u1eafp \u0111\u1eb7t;<\/li>\n
  5. \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ecbnh m\u1ee9c c\u1ed1 \u0111\u1ecbnh ho\u1eb7c chuy\u1ebfn \u0111i cho ph\u00e9p;<\/li>\n
  6. d\u00f2ng \u0111i\u1ec7n ng\u1eafn m\u1ea1ch d\u1ef1 ki\u1ebfn;<\/li>\n
  7. c\u00e1c ti\u00eau ch\u00ed v\u1ec1 kh\u1ea3 n\u0103ng c\u1eaft v\u00e0 \u0111\u1ed9 li\u00ean t\u1ee5c d\u1ecbch v\u1ee5 y\u00eau c\u1ea7u;<\/li>\n
  8. d\u1eef li\u1ec7u \u0111i\u1ec1u ph\u1ed1i th\u01b0\u1ee3ng ngu\u1ed3n\/h\u1ea1 ngu\u1ed3n;<\/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 \u00e1p d\u1ee5ng v\u00e0 b\u1eb1ng ch\u1ee9ng b\u1eaft bu\u1ed9c \u0111\u1ec3 ph\u00ea duy\u1ec7t.<\/li>\n<\/ol>\n

    \u0110i\u1ec1u n\u00e0y cung c\u1ea5p cho nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u1ee7 th\u00f4ng tin \u0111\u1ec3 x\u00e1c nh\u1eadn xem m\u1ed9t c\u1ea5u h\u00ecnh c\u00f3 s\u1eb5n c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng thi\u1ebft k\u1ebf hay kh\u00f4ng m\u00e0 kh\u00f4ng l\u00e0m sai l\u1ec7ch nh\u00e3n c\u1ee7a n\u00f3.<\/p>\n

    \u0110\u00e1nh gi\u00e1 d\u1ea3i s\u1ea3n ph\u1ea9m ETM1 m\u00e0 kh\u00f4ng b\u1ecba ra m\u1eabu 150 A<\/h2>\n

    The D\u00f2ng \u00e1pt\u00f4m\u00e1t v\u1ecf \u0111\u00fac SUTON<\/a> bao g\u1ed3m Aptomat kh\u1ed1i d\u00f2ng ETM1 Series MCCB<\/a>. Trang c\u00f4ng khai c\u1ee7a n\u00f3 m\u00f4 t\u1ea3 ph\u1ea1m vi d\u00f2ng \u0111i\u1ec7n gia \u0111\u00ecnh t\u1eeb 10\u20131250 A, ho\u1ea1t \u0111\u1ed9ng xoay chi\u1ec1u l\u00ean \u0111\u1ebfn 690 V \u1edf t\u1ea7n s\u1ed1 50 Hz, v\u00e0 c\u00e1c ti\u00eau chu\u1ea9n \u00e1p d\u1ee5ng l\u00e0 IEC 60947-2 \/ GB\/T 14048.2. B\u1ea3ng d\u00f2ng \u0111i\u1ec7n \u0111\u1ecbnh m\u1ee9c bao g\u1ed3m 125 A v\u00e0 160 A, nh\u01b0ng kh\u00f4ng c\u00f3 150 A.<\/p>\n

    \"ETM1L<\/figure>\n

    S\u1eed d\u1ee5ng trang ETM1 \u0111\u1ec3 \u0111\u1ecbnh h\u00ecnh y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt. Kh\u00f4ng c\u00f4ng b\u1ed1 ho\u1eb7c \u0111\u1eb7t h\u00e0ng c\u1ea5u h\u00ecnh \u201cETM1 150 A\u201d cho \u0111\u1ebfn khi SUTON x\u00e1c nh\u1eadn ch\u00ednh x\u00e1c thi\u1ebft b\u1ecb, c\u01a1 c\u1ea5u ng\u1eaft v\u00e0 d\u1eef li\u1ec7u h\u1ed7 tr\u1ee3. N\u1ebfu y\u00eau c\u1ea7u c\u00e1c ch\u1ee9c n\u0103ng \u0111o l\u01b0\u1eddng ho\u1eb7c d\u00f2ng \u0111i\u1ec7n d\u01b0, h\u00e3y coi \u0111\u00f3 l\u00e0 c\u00e1c quy\u1ebft \u0111\u1ecbnh v\u1ec1 d\u00f2ng s\u1ea3n ph\u1ea9m \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c minh ri\u00eang bi\u1ec7t thay v\u00ec c\u00e1c ph\u1ee5 ki\u1ec7n m\u1eb7c \u0111\u1ecbnh.<\/p>\n

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