{"id":7017,"date":"2026-09-28T11:29:42","date_gmt":"2026-09-28T04:29:42","guid":{"rendered":"https:\/\/sunnysolar.vn\/?post_type=product&#038;p=7017"},"modified":"2026-09-28T11:29:42","modified_gmt":"2026-09-28T04:29:42","slug":"mcb-ac-cemig-smgb1-125-3-pha-4p-100a-400vac-10ka","status":"publish","type":"product","link":"https:\/\/sunnysolar.vn\/en\/product\/mcb-ac-cemig-smgb1-125-3-pha-4p-100a-400vac-10ka\/","title":{"rendered":"MCB AC Cemig SMGB1-125 3 Pha 4P 100A 400VAC 10kA"},"content":{"rendered":"<h1>MCB AC 3 Pha 4P 100A 400VAC 10kA Cemig SMGB1-125<\/h1>\n<div>\n<hr \/>\n<\/div>\n<h2>MCB AC Cemig SMGB1-125 3 pha 4P 100A 400VAC 10kA<\/h2>\n<p><strong>MCB AC Cemig SMGB1-125<\/strong> l\u00e0 thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft v\u00e0 b\u1ea3o v\u1ec7 m\u1ea1ch \u0111i\u1ec7n AC c\u00f3 c\u1ea5u h\u00ecnh <strong>3 pha \u2013 4P<\/strong>, d\u00f2ng \u0111i\u1ec7n \u0111\u1ecbnh m\u1ee9c <strong>100A<\/strong>, \u0111i\u1ec7n \u00e1p <strong>400VAC<\/strong> v\u00e0 kh\u1ea3 n\u0103ng c\u1eaft ng\u1eafn m\u1ea1ch <strong>10kA<\/strong>.<\/p>\n<p>S\u1ea3n ph\u1ea9m ph\u00f9 h\u1ee3p s\u1eed d\u1ee5ng trong c\u00e1c h\u1ec7 th\u1ed1ng \u0111i\u1ec7n 3 pha c\u00f3 d\u00f2ng t\u1ea3i t\u01b0\u01a1ng \u1ee9ng, gi\u00fap b\u1ea3o v\u1ec7 m\u1ea1ch \u0111i\u1ec7n tr\u01b0\u1edbc c\u00e1c s\u1ef1 c\u1ed1 <strong>qu\u00e1 t\u1ea3i v\u00e0 ng\u1eafn m\u1ea1ch<\/strong>. V\u1edbi d\u00f2ng \u0111\u1ecbnh m\u1ee9c 100A v\u00e0 kh\u1ea3 n\u0103ng c\u1eaft 10kA, SMGB1-125 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u00e2n nh\u1eafc cho t\u1ee7 \u0111i\u1ec7n t\u1ed5ng, t\u1ee7 ph\u00e2n ph\u1ed1i, nh\u00e0 x\u01b0\u1edfng, c\u00f4ng tr\u00ecnh th\u01b0\u01a1ng m\u1ea1i v\u00e0 h\u1ec7 th\u1ed1ng \u0111i\u1ec7n n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi c\u00f3 thi\u1ebft k\u1ebf ph\u00f9 h\u1ee3p.<\/p>\n<h2>Th\u00f4ng s\u1ed1 n\u1ed5i b\u1eadt MCB Cemig SMGB1-125<\/h2>\n<table>\n<tbody>\n<tr>\n<th><strong>Th\u00f4ng s\u1ed1<\/strong><\/th>\n<th><strong>Chi ti\u1ebft<\/strong><\/th>\n<\/tr>\n<tr>\n<td><strong>Th\u01b0\u01a1ng hi\u1ec7u<\/strong><\/td>\n<td><strong>Cemig<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>Model<\/strong><\/td>\n<td><strong>SMGB1-125<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>Lo\u1ea1i thi\u1ebft b\u1ecb<\/strong><\/td>\n<td>MCB AC<\/td>\n<\/tr>\n<tr>\n<td><strong>H\u1ec7 th\u1ed1ng \u0111i\u1ec7n<\/strong><\/td>\n<td><strong>3 pha<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>S\u1ed1 c\u1ef1c<\/strong><\/td>\n<td><strong>4P<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>D\u00f2ng \u0111\u1ecbnh m\u1ee9c<\/strong><\/td>\n<td><strong>100A<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>\u0110i\u1ec7n \u00e1p<\/strong><\/td>\n<td><strong>400VAC<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>Kh\u1ea3 n\u0103ng c\u1eaft<\/strong><\/td>\n<td><strong>10kA<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>B\u1ea3o h\u00e0nh<\/strong><\/td>\n<td><strong>12 th\u00e1ng<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>1. MCB AC Cemig SMGB1-125 l\u00e0 g\u00ec?<\/h2>\n<p>MCB (Miniature Circuit Breaker) l\u00e0 thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft t\u1ef1 \u0111\u1ed9ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 b\u1ea3o v\u1ec7 m\u1ea1ch \u0111i\u1ec7n tr\u01b0\u1edbc t\u00ecnh tr\u1ea1ng qu\u00e1 t\u1ea3i v\u00e0 ng\u1eafn m\u1ea1ch.<\/p>\n<p><strong>Cemig SMGB1-125<\/strong> c\u00f3 c\u1ea5u h\u00ecnh <strong>4P<\/strong>, d\u00f2ng \u0111i\u1ec7n \u0111\u1ecbnh m\u1ee9c <strong>100A<\/strong> v\u00e0 \u0111i\u1ec7n \u00e1p 400VAC, ph\u00f9 h\u1ee3p v\u1edbi nhi\u1ec1u h\u1ec7 th\u1ed1ng \u0111i\u1ec7n 3 pha c\u00f3 y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt t\u01b0\u01a1ng \u1ee9ng.<\/p>\n<p>Trong \u0111i\u1ec1u ki\u1ec7n ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng, MCB cho ph\u00e9p d\u00f2ng \u0111i\u1ec7n \u0111i qua. Khi xu\u1ea5t hi\u1ec7n qu\u00e1 t\u1ea3i ho\u1eb7c ng\u1eafn m\u1ea1ch n\u1eb1m trong ph\u1ea1m vi b\u1ea3o v\u1ec7 c\u1ee7a thi\u1ebft b\u1ecb, MCB s\u1ebd t\u00e1c \u0111\u1ed9ng ng\u1eaft m\u1ea1ch nh\u1eb1m c\u00f4 l\u1eadp ph\u1ea7n m\u1ea1ch g\u1eb7p s\u1ef1 c\u1ed1.<\/p>\n<h2>2. \u0110\u1eb7c \u0111i\u1ec3m n\u1ed5i b\u1eadt c\u1ee7a MCB Cemig SMGB1-125<\/h2>\n<h3>D\u00f2ng \u0111i\u1ec7n \u0111\u1ecbnh m\u1ee9c 100A<\/h3>\n<p>M\u1ed9t trong nh\u1eefng th\u00f4ng s\u1ed1 n\u1ed5i b\u1eadt c\u1ee7a <strong>Cemig SMGB1-125<\/strong> l\u00e0 d\u00f2ng \u0111i\u1ec7n \u0111\u1ecbnh m\u1ee9c <strong>100A<\/strong>.<\/p>\n<p>M\u1ee9c d\u00f2ng n\u00e0y ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c m\u1ea1ch \u0111i\u1ec7n 3 pha c\u00f3 t\u1ea3i t\u01b0\u01a1ng \u1ee9ng. Khi l\u1ef1a ch\u1ecdn CB 100A, c\u1ea7n \u0111\u1ed3ng th\u1eddi t\u00ednh to\u00e1n ti\u1ebft di\u1ec7n d\u00e2y d\u1eabn, d\u00f2ng t\u1ea3i th\u1ef1c t\u1ebf v\u00e0 c\u00e1c y\u00eau c\u1ea7u b\u1ea3o v\u1ec7 c\u1ee7a h\u1ec7 th\u1ed1ng.<\/p>\n<h3>C\u1ea5u h\u00ecnh 4P cho h\u1ec7 th\u1ed1ng \u0111i\u1ec7n 3 pha<\/h3>\n<p>SMGB1-125 s\u1eed d\u1ee5ng c\u1ea5u h\u00ecnh <strong>4P \u2013 4 c\u1ef1c<\/strong>, ph\u00f9 h\u1ee3p v\u1edbi nhi\u1ec1u h\u1ec7 th\u1ed1ng \u0111i\u1ec7n 3 pha c\u1ea7n \u0111\u00f3ng\/ng\u1eaft \u0111\u1ed3ng th\u1eddi c\u00e1c c\u1ef1c theo s\u01a1 \u0111\u1ed3 thi\u1ebft k\u1ebf.<\/p>\n<p>Thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng t\u1ea1i t\u1ee7 \u0111i\u1ec7n t\u1ed5ng, t\u1ee7 ph\u00e2n ph\u1ed1i v\u00e0 c\u00e1c nh\u00e1nh c\u1ea5p ngu\u1ed3n 3 pha c\u00f3 th\u00f4ng s\u1ed1 ph\u00f9 h\u1ee3p.<\/p>\n<h3>\u0110i\u1ec7n \u00e1p ho\u1ea1t \u0111\u1ed9ng 400VAC<\/h3>\n<p>MCB Cemig SMGB1-125 c\u00f3 \u0111i\u1ec7n \u00e1p l\u00e0m vi\u1ec7c <strong>400VAC<\/strong>, \u0111\u00e1p \u1ee9ng nhi\u1ec1u \u1ee9ng d\u1ee5ng trong h\u1ec7 th\u1ed1ng \u0111i\u1ec7n xoay chi\u1ec1u 3 pha.<\/p>\n<h3>Kh\u1ea3 n\u0103ng c\u1eaft ng\u1eafn m\u1ea1ch 10kA<\/h3>\n<p>SMGB1-125 c\u00f3 <strong>kh\u1ea3 n\u0103ng c\u1eaft 10kA<\/strong>, cao h\u01a1n d\u00f2ng MCB 6kA th\u00f4ng d\u1ee5ng.<\/p>\n<p>Kh\u1ea3 n\u0103ng c\u1eaft l\u00e0 th\u00f4ng s\u1ed1 quan tr\u1ecdng khi l\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7. MCB c\u1ea7n c\u00f3 kh\u1ea3 n\u0103ng c\u1eaft ph\u00f9 h\u1ee3p v\u1edbi d\u00f2ng ng\u1eafn m\u1ea1ch d\u1ef1 ki\u1ebfn t\u1ea1i v\u1ecb tr\u00ed l\u1eafp \u0111\u1eb7t.<\/p>\n<p>V\u1edbi th\u00f4ng s\u1ed1 <strong>10kA<\/strong>, s\u1ea3n ph\u1ea9m c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c h\u1ec7 th\u1ed1ng c\u00f3 y\u00eau c\u1ea7u kh\u1ea3 n\u0103ng c\u1eaft t\u01b0\u01a1ng \u1ee9ng, nh\u01b0ng v\u1eabn c\u1ea7n t\u00ednh to\u00e1n d\u00f2ng s\u1ef1 c\u1ed1 th\u1ef1c t\u1ebf tr\u01b0\u1edbc khi l\u1ef1a ch\u1ecdn.<\/p>\n<h2>3. Ch\u1ee9c n\u0103ng c\u1ee7a MCB AC Cemig SMGB1-125<\/h2>\n<h3>B\u1ea3o v\u1ec7 qu\u00e1 t\u1ea3i<\/h3>\n<p>Khi d\u00f2ng \u0111i\u1ec7n ch\u1ea1y qua m\u1ea1ch v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n cho ph\u00e9p trong m\u1ed9t kho\u1ea3ng th\u1eddi gian nh\u1ea5t \u0111\u1ecbnh, d\u00e2y d\u1eabn c\u00f3 th\u1ec3 b\u1ecb t\u0103ng nhi\u1ec7t.<\/p>\n<p>MCB \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 t\u00e1c \u0111\u1ed9ng trong \u0111i\u1ec1u ki\u1ec7n qu\u00e1 t\u1ea3i theo \u0111\u1eb7c t\u00ednh b\u1ea3o v\u1ec7 c\u1ee7a thi\u1ebft b\u1ecb, gi\u00fap h\u1ea1n ch\u1ebf nguy c\u01a1 h\u01b0 h\u1ecfng d\u00e2y d\u1eabn v\u00e0 thi\u1ebft b\u1ecb \u0111i\u1ec7n.<\/p>\n<h3>B\u1ea3o v\u1ec7 ng\u1eafn m\u1ea1ch<\/h3>\n<p>Ng\u1eafn m\u1ea1ch c\u00f3 th\u1ec3 t\u1ea1o ra d\u00f2ng \u0111i\u1ec7n r\u1ea5t l\u1edbn trong th\u1eddi gian ng\u1eafn.<\/p>\n<p><strong>Cemig SMGB1-125 c\u00f3 kh\u1ea3 n\u0103ng c\u1eaft 10kA<\/strong>, gi\u00fap ng\u1eaft m\u1ea1ch khi d\u00f2ng s\u1ef1 c\u1ed1 n\u1eb1m trong ph\u1ea1m vi kh\u1ea3 n\u0103ng c\u1eaft c\u1ee7a thi\u1ebft b\u1ecb.<\/p>\n<h3>\u0110\u00f3ng\/ng\u1eaft ngu\u1ed3n \u0111i\u1ec7n<\/h3>\n<p>Ngo\u00e0i ch\u1ee9c n\u0103ng b\u1ea3o v\u1ec7 t\u1ef1 \u0111\u1ed9ng, MCB c\u00f2n h\u1ed7 tr\u1ee3 \u0111\u00f3ng\/ng\u1eaft m\u1ea1ch \u0111i\u1ec7n khi c\u1ea7n ki\u1ec3m tra, b\u1ea3o tr\u00ec ho\u1eb7c c\u00f4 l\u1eadp m\u1ed9t ph\u1ea7n h\u1ec7 th\u1ed1ng.<\/p>\n<h2>4. \u1ee8ng d\u1ee5ng c\u1ee7a MCB AC Cemig 4P 100A<\/h2>\n<p>V\u1edbi th\u00f4ng s\u1ed1 <strong>3 pha \u2013 4P \u2013 100A \u2013 400VAC \u2013 10kA<\/strong>, Cemig SMGB1-125 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u00e2n nh\u1eafc s\u1eed d\u1ee5ng trong:<\/p>\n<ul>\n<li>T\u1ee7 \u0111i\u1ec7n t\u1ed5ng 3 pha.<\/li>\n<li>T\u1ee7 \u0111i\u1ec7n ph\u00e2n ph\u1ed1i.<\/li>\n<li>Nh\u00e0 x\u01b0\u1edfng v\u00e0 c\u01a1 s\u1edf s\u1ea3n xu\u1ea5t.<\/li>\n<li>C\u00f4ng tr\u00ecnh d\u00e2n d\u1ee5ng v\u00e0 th\u01b0\u01a1ng m\u1ea1i.<\/li>\n<li>T\u00f2a nh\u00e0, v\u0103n ph\u00f2ng.<\/li>\n<li>M\u1ea1ch c\u1ea5p ngu\u1ed3n cho thi\u1ebft b\u1ecb 3 pha.<\/li>\n<li>H\u1ec7 th\u1ed1ng \u0111i\u1ec7n c\u00f4ng nghi\u1ec7p c\u00f3 th\u00f4ng s\u1ed1 ph\u00f9 h\u1ee3p.<\/li>\n<li>T\u1ee7 \u0111i\u1ec7n AC h\u1ec7 th\u1ed1ng n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi.<\/li>\n<li>\u0110\u1ea7u ra AC c\u1ee7a inverter 3 pha khi thi\u1ebft k\u1ebf ph\u00f9 h\u1ee3p.<\/li>\n<\/ul>\n<h2>5. \u1ee8ng d\u1ee5ng MCB Cemig SMGB1-125 trong \u0111i\u1ec7n n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi<\/h2>\n<p>Trong h\u1ec7 th\u1ed1ng <strong>\u0111i\u1ec7n n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi 3 pha<\/strong>, ph\u00eda AC c\u1ee7a inverter c\u1ea7n c\u00f3 h\u1ec7 th\u1ed1ng \u0111\u00f3ng c\u1eaft v\u00e0 b\u1ea3o v\u1ec7 \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p v\u1edbi c\u00f4ng su\u1ea5t v\u00e0 d\u00f2ng \u0111i\u1ec7n \u0111\u1ea7u ra.<\/p>\n<p>MCB AC c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong t\u1ee7 \u0111i\u1ec7n AC \u0111\u1ec3 \u0111\u00f3ng c\u1eaft v\u00e0 b\u1ea3o v\u1ec7 \u0111\u01b0\u1eddng d\u00e2y gi\u1eefa inverter v\u1edbi h\u1ec7 th\u1ed1ng ph\u00e2n ph\u1ed1i \u0111i\u1ec7n.<\/p>\n<p>V\u1edbi th\u00f4ng s\u1ed1 <strong>4P \u2013 100A \u2013 400VAC \u2013 10kA<\/strong>, Cemig SMGB1-125 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u00e2n nh\u1eafc cho m\u1ed9t s\u1ed1 h\u1ec7 th\u1ed1ng inverter 3 pha c\u00f3 d\u00f2ng \u0111\u1ea7u ra t\u01b0\u01a1ng \u1ee9ng.<\/p>\n<p>Khi l\u1ef1a ch\u1ecdn CB cho inverter, c\u1ea7n ki\u1ec3m tra:<\/p>\n<ul>\n<li>D\u00f2ng \u0111i\u1ec7n AC \u0111\u1ea7u ra \u0111\u1ecbnh m\u1ee9c.<\/li>\n<li>D\u00f2ng AC \u0111\u1ea7u ra t\u1ed1i \u0111a.<\/li>\n<li>\u0110i\u1ec7n \u00e1p h\u1ec7 th\u1ed1ng.<\/li>\n<li>Ti\u1ebft di\u1ec7n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu d\u00f2ng c\u1ee7a c\u00e1p.<\/li>\n<li>Kh\u1ea3 n\u0103ng c\u1eaft ng\u1eafn m\u1ea1ch y\u00eau c\u1ea7u.<\/li>\n<li>Khuy\u1ebfn ngh\u1ecb c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t inverter.<\/li>\n<li>Y\u00eau c\u1ea7u c\u1ee7a thi\u1ebft k\u1ebf \u0111i\u1ec7n c\u00f4ng tr\u00ecnh.<\/li>\n<\/ul>\n<p>Kh\u00f4ng n\u00ean ch\u1ecdn CB ch\u1ec9 d\u1ef1a tr\u00ean c\u00f4ng su\u1ea5t kW c\u1ee7a inverter.<\/p>\n<h2>6. \u01afu \u0111i\u1ec3m c\u1ee7a MCB AC Cemig SMGB1-125<\/h2>\n<p><strong>D\u00f2ng \u0111\u1ecbnh m\u1ee9c 100A:<\/strong> Ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c m\u1ea1ch \u0111i\u1ec7n 3 pha c\u00f3 d\u00f2ng t\u1ea3i t\u01b0\u01a1ng \u1ee9ng.<\/p>\n<p><strong>Kh\u1ea3 n\u0103ng c\u1eaft 10kA:<\/strong> \u0110\u00e1p \u1ee9ng c\u00e1c h\u1ec7 th\u1ed1ng c\u00f3 y\u00eau c\u1ea7u kh\u1ea3 n\u0103ng c\u1eaft ng\u1eafn m\u1ea1ch cao h\u01a1n m\u1ee9c 6kA th\u00f4ng d\u1ee5ng.<\/p>\n<p><strong>C\u1ea5u h\u00ecnh 4P:<\/strong> Ph\u00f9 h\u1ee3p v\u1edbi nhi\u1ec1u h\u1ec7 th\u1ed1ng \u0111i\u1ec7n 3 pha c\u1ea7n \u0111\u00f3ng\/ng\u1eaft \u0111\u1ed3ng th\u1eddi c\u00e1c c\u1ef1c.<\/p>\n<p><strong>\u0110i\u1ec7n \u00e1p 400VAC:<\/strong> Ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng \u0111i\u1ec7n AC 3 pha c\u00f3 \u0111i\u1ec7n \u00e1p t\u01b0\u01a1ng \u1ee9ng.<\/p>\n<p><strong>Thi\u1ebft k\u1ebf d\u1ea1ng MCB:<\/strong> Thu\u1eadn ti\u1ec7n b\u1ed1 tr\u00ed trong t\u1ee7 \u0111i\u1ec7n v\u00e0 ph\u1ed1i h\u1ee3p v\u1edbi c\u00e1c thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft, b\u1ea3o v\u1ec7 kh\u00e1c.<\/p>\n<p><strong>B\u1ea3o h\u00e0nh 12 th\u00e1ng:<\/strong> S\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c cung c\u1ea5p v\u1edbi th\u1eddi gian <strong>b\u1ea3o h\u00e0nh 12 th\u00e1ng<\/strong>.<\/p>\n<h2>7. Kh\u1ea3 n\u0103ng c\u1eaft 10kA c\u00f3 \u00fd ngh\u0129a g\u00ec?<\/h2>\n<p>Th\u00f4ng s\u1ed1 <strong>10kA<\/strong> th\u1ec3 hi\u1ec7n kh\u1ea3 n\u0103ng ng\u1eaft d\u00f2ng ng\u1eafn m\u1ea1ch c\u1ee7a thi\u1ebft b\u1ecb trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh cho s\u1ea3n ph\u1ea9m.<\/p>\n<p>\u0110\u00e2y l\u00e0 m\u1ed9t th\u00f4ng s\u1ed1 \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng khi thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng \u0111i\u1ec7n.<\/p>\n<p>N\u1ebfu d\u00f2ng ng\u1eafn m\u1ea1ch d\u1ef1 ki\u1ebfn t\u1ea1i v\u1ecb tr\u00ed l\u1eafp \u0111\u1eb7t v\u01b0\u1ee3t qu\u00e1 kh\u1ea3 n\u0103ng c\u1eaft c\u1ee7a MCB, thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 kh\u00f4ng \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u b\u1ea3o v\u1ec7. V\u00ec v\u1eady, c\u1ea7n t\u00ednh to\u00e1n ho\u1eb7c x\u00e1c \u0111\u1ecbnh d\u00f2ng ng\u1eafn m\u1ea1ch c\u1ee7a h\u1ec7 th\u1ed1ng tr\u01b0\u1edbc khi l\u1ef1a ch\u1ecdn CB.<\/p>\n<h2>8. MCB Cemig SMGB1-125 c\u00f3 ch\u1ed1ng r\u00f2 \u0111i\u1ec7n kh\u00f4ng?<\/h2>\n<p>MCB th\u00f4ng th\u01b0\u1eddng ch\u1ee7 y\u1ebfu \u0111\u1ea3m nhi\u1ec7m ch\u1ee9c n\u0103ng b\u1ea3o v\u1ec7 <strong>qu\u00e1 t\u1ea3i v\u00e0 ng\u1eafn m\u1ea1ch<\/strong>.<\/p>\n<p>Do \u0111\u00f3, MCB kh\u00f4ng n\u00ean \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 thay th\u1ebf cho thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 d\u00f2ng r\u00f2.<\/p>\n<p>N\u1ebfu h\u1ec7 th\u1ed1ng y\u00eau c\u1ea7u ch\u1ee9c n\u0103ng b\u1ea3o v\u1ec7 d\u00f2ng r\u00f2 ho\u1eb7c ch\u1ed1ng \u0111i\u1ec7n gi\u1eadt, c\u1ea7n s\u1eed d\u1ee5ng <strong>RCCB, RCBO<\/strong> ho\u1eb7c thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 ph\u00f9 h\u1ee3p theo thi\u1ebft k\u1ebf.<\/p>\n<h2>9. L\u01b0u \u00fd khi l\u1ef1a ch\u1ecdn MCB AC 4P 100A<\/h2>\n<p>Khi l\u1ef1a ch\u1ecdn <strong>MCB 3 pha 4P 100A<\/strong>, c\u1ea7n xem x\u00e9t \u0111\u1ed3ng th\u1eddi:<\/p>\n<ul>\n<li>D\u00f2ng t\u1ea3i th\u1ef1c t\u1ebf.<\/li>\n<li>\u0110i\u1ec7n \u00e1p c\u1ee7a h\u1ec7 th\u1ed1ng.<\/li>\n<li>C\u00f4ng su\u1ea5t t\u1ea3i.<\/li>\n<li>Ti\u1ebft di\u1ec7n d\u00e2y d\u1eabn.<\/li>\n<li>Kh\u1ea3 n\u0103ng ch\u1ecbu d\u00f2ng c\u1ee7a c\u00e1p.<\/li>\n<li>D\u00f2ng ng\u1eafn m\u1ea1ch d\u1ef1 ki\u1ebfn.<\/li>\n<li>Kh\u1ea3 n\u0103ng c\u1eaft c\u1ee7a MCB.<\/li>\n<li>\u0110\u1eb7c t\u00ednh c\u1ee7a t\u1ea3i.<\/li>\n<li>S\u01a1 \u0111\u1ed3 h\u1ec7 th\u1ed1ng \u0111i\u1ec7n.<\/li>\n<li>\u0110i\u1ec1u ki\u1ec7n l\u1eafp \u0111\u1eb7t.<\/li>\n<li>Y\u00eau c\u1ea7u ph\u1ed1i h\u1ee3p v\u1edbi thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 ph\u00eda tr\u01b0\u1edbc v\u00e0 ph\u00eda sau.<\/li>\n<\/ul>\n<p>\u0110\u1eb7c bi\u1ec7t, <strong>MCB 100A kh\u00f4ng c\u00f3 ngh\u0129a l\u00e0 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng cho m\u1ecdi m\u1ea1ch \u0111i\u1ec7n c\u00f3 d\u00f2ng t\u1ea3i d\u01b0\u1edbi 100A<\/strong>. Vi\u1ec7c l\u1ef1a ch\u1ecdn CB ph\u1ea3i \u0111\u1ed3ng b\u1ed9 v\u1edbi d\u00e2y d\u1eabn v\u00e0 y\u00eau c\u1ea7u b\u1ea3o v\u1ec7 c\u1ee7a to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng.<\/p>\n<h2>10. So s\u00e1nh MCB Cemig SMGB1-125 100A v\u00e0 SMGB1-63 63A<\/h2>\n<table>\n<tbody>\n<tr>\n<th><strong>Th\u00f4ng s\u1ed1<\/strong><\/th>\n<th><strong>SMGB1-125<\/strong><\/th>\n<th><strong>SMGB1-63<\/strong><\/th>\n<\/tr>\n<tr>\n<td>H\u1ec7 th\u1ed1ng \u0111i\u1ec7n<\/td>\n<td>3 pha<\/td>\n<td>3 pha<\/td>\n<\/tr>\n<tr>\n<td>S\u1ed1 c\u1ef1c<\/td>\n<td>4P<\/td>\n<td>4P<\/td>\n<\/tr>\n<tr>\n<td><strong>D\u00f2ng \u0111\u1ecbnh m\u1ee9c<\/strong><\/td>\n<td><strong>100A<\/strong><\/td>\n<td><strong>63A<\/strong><\/td>\n<\/tr>\n<tr>\n<td>\u0110i\u1ec7n \u00e1p<\/td>\n<td>400VAC<\/td>\n<td>400VAC<\/td>\n<\/tr>\n<tr>\n<td><strong>Kh\u1ea3 n\u0103ng c\u1eaft<\/strong><\/td>\n<td><strong>10kA<\/strong><\/td>\n<td><strong>6kA<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>SMGB1-125 100A<\/strong> c\u00f3 d\u00f2ng \u0111\u1ecbnh m\u1ee9c v\u00e0 kh\u1ea3 n\u0103ng c\u1eaft cao h\u01a1n model SMGB1-63 63A. Tuy nhi\u00ean, vi\u1ec7c l\u1ef1a ch\u1ecdn model n\u00e0o c\u1ea7n c\u0103n c\u1ee9 v\u00e0o d\u00f2ng t\u1ea3i, d\u00e2y d\u1eabn v\u00e0 y\u00eau c\u1ea7u b\u1ea3o v\u1ec7 c\u1ee7a h\u1ec7 th\u1ed1ng thay v\u00ec m\u1eb7c \u0111\u1ecbnh ch\u1ecdn CB c\u00f3 d\u00f2ng \u0111\u1ecbnh m\u1ee9c l\u1edbn h\u01a1n.<\/p>\n<h2>11. H\u01b0\u1edbng d\u1eabn l\u1eafp \u0111\u1eb7t MCB Cemig SMGB1-125<\/h2>\n<p>Vi\u1ec7c l\u1eafp \u0111\u1eb7t MCB 3 pha 100A n\u00ean \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1edfi k\u1ef9 thu\u1eadt vi\u00ean ho\u1eb7c ng\u01b0\u1eddi c\u00f3 chuy\u00ean m\u00f4n v\u1ec1 \u0111i\u1ec7n.<\/p>\n<p>Tr\u01b0\u1edbc khi \u0111\u1ea5u n\u1ed1i c\u1ea7n <strong>ng\u1eaft ho\u00e0n to\u00e0n ngu\u1ed3n \u0111i\u1ec7n<\/strong>, th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p an to\u00e0n c\u1ea7n thi\u1ebft v\u00e0 x\u00e1c nh\u1eadn m\u1ea1ch kh\u00f4ng c\u00f2n \u0111i\u1ec7n.<\/p>\n<p>Khi l\u1eafp \u0111\u1eb7t c\u1ea7n ki\u1ec3m tra \u0111\u00fang model, th\u00f4ng s\u1ed1 thi\u1ebft b\u1ecb, s\u01a1 \u0111\u1ed3 \u0111\u1ea5u n\u1ed1i v\u00e0 ti\u1ebft di\u1ec7n d\u00e2y d\u1eabn. C\u00e1c \u0111\u1ea7u n\u1ed1i ph\u1ea3i \u0111\u01b0\u1ee3c l\u1eafp ch\u1eafc ch\u1eafn theo y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt.<\/p>\n<p>Sau khi ho\u00e0n th\u00e0nh, c\u1ea7n ki\u1ec3m tra to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng tr\u01b0\u1edbc khi \u0111\u00f3ng \u0111i\u1ec7n v\u1eadn h\u00e0nh.<\/p>\n<h2>12. C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 Cemig SMGB1-125<\/h2>\n<h3>Cemig SMGB1-125 c\u00f3 d\u00f2ng \u0111\u1ecbnh m\u1ee9c bao nhi\u00eau?<\/h3>\n<p>Phi\u00ean b\u1ea3n trong b\u00e0i vi\u1ebft c\u00f3 <strong>d\u00f2ng \u0111i\u1ec7n \u0111\u1ecbnh m\u1ee9c 100A<\/strong>.<\/p>\n<h3>MCB Cemig SMGB1-125 c\u00f3 bao nhi\u00eau c\u1ef1c?<\/h3>\n<p>S\u1ea3n ph\u1ea9m c\u00f3 c\u1ea5u h\u00ecnh <strong>4P \u2013 4 c\u1ef1c<\/strong>.<\/p>\n<h3>Cemig SMGB1-125 d\u00f9ng cho \u0111i\u1ec7n m\u1ea5y pha?<\/h3>\n<p>Theo th\u00f4ng s\u1ed1 cung c\u1ea5p, s\u1ea3n ph\u1ea9m ph\u00f9 h\u1ee3p v\u1edbi <strong>h\u1ec7 th\u1ed1ng \u0111i\u1ec7n 3 pha<\/strong> c\u00f3 thi\u1ebft k\u1ebf t\u01b0\u01a1ng \u1ee9ng.<\/p>\n<h3>\u0110i\u1ec7n \u00e1p c\u1ee7a MCB Cemig SMGB1-125 l\u00e0 bao nhi\u00eau?<\/h3>\n<p>\u0110i\u1ec7n \u00e1p c\u1ee7a s\u1ea3n ph\u1ea9m l\u00e0 <strong>400VAC<\/strong>.<\/p>\n<h3>Kh\u1ea3 n\u0103ng c\u1eaft c\u1ee7a SMGB1-125 l\u00e0 bao nhi\u00eau?<\/h3>\n<p>S\u1ea3n ph\u1ea9m c\u00f3 <strong>kh\u1ea3 n\u0103ng c\u1eaft 10kA<\/strong>.<\/p>\n<h3>Cemig SMGB1-125 b\u1ea3o h\u00e0nh bao l\u00e2u?<\/h3>\n<p>S\u1ea3n ph\u1ea9m c\u00f3 th\u1eddi gian <strong>b\u1ea3o h\u00e0nh 12 th\u00e1ng<\/strong>.<\/p>\n<h2>13. Mua MCB AC Cemig SMGB1-125 4P 100A \u2013 Li\u00ean h\u1ec7 Sunny Solar<\/h2>\n<p>B\u1ea1n \u0111ang c\u1ea7n <strong>MCB AC Cemig SMGB1-125 3 pha 4P 100A 400VAC 10kA<\/strong> cho t\u1ee7 \u0111i\u1ec7n, nh\u00e0 x\u01b0\u1edfng, c\u00f4ng tr\u00ecnh ho\u1eb7c h\u1ec7 th\u1ed1ng \u0111i\u1ec7n n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi?<\/p>\n<p>Li\u00ean h\u1ec7 <strong>Sunny Solar<\/strong> \u0111\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n l\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb v\u00e0 nh\u1eadn b\u00e1o gi\u00e1 ph\u00f9 h\u1ee3p.<\/p>\n<p>\u260e\ufe0f <strong>Hotline: 0357690717<\/strong><\/p>\n<p>\ud83c\udf10 <strong>Website: <\/strong><a href=\"https:\/\/sunnysolar.vn\/en\/\"><strong>www.sunnysolar.vn<\/strong><\/a><\/p>\n<p><strong>SUNNY SOLAR \u2013 Gi\u1ea3i ph\u00e1p thi\u1ebft b\u1ecb \u0111i\u1ec7n &amp; n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi<\/strong><\/p>\n<p>Li\u00ean h\u1ec7 ngay \u0111\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n v\u00e0 nh\u1eadn <strong>b\u00e1o gi\u00e1 MCB AC Cemig SMGB1-125 4P 100A 400VAC 10kA<\/strong>.<\/p>","protected":false},"excerpt":{"rendered":"<table>\n<tbody>\n<tr>\n<th><strong>Th\u00f4ng s\u1ed1<\/strong><\/th>\n<th><strong>Chi ti\u1ebft<\/strong><\/th>\n<\/tr>\n<tr>\n<td><strong>Th\u01b0\u01a1ng hi\u1ec7u<\/strong><\/td>\n<td><strong>Cemig<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>Model<\/strong><\/td>\n<td><strong>SMGB1-125<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>Lo\u1ea1i thi\u1ebft b\u1ecb<\/strong><\/td>\n<td>MCB AC<\/td>\n<\/tr>\n<tr>\n<td><strong>H\u1ec7 th\u1ed1ng \u0111i\u1ec7n<\/strong><\/td>\n<td><strong>3 pha<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>S\u1ed1 c\u1ef1c<\/strong><\/td>\n<td><strong>4P<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>D\u00f2ng \u0111\u1ecbnh m\u1ee9c<\/strong><\/td>\n<td><strong>100A<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>\u0110i\u1ec7n \u00e1p<\/strong><\/td>\n<td><strong>400VAC<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>Kh\u1ea3 n\u0103ng c\u1eaft<\/strong><\/td>\n<td><strong>10kA<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>B\u1ea3o h\u00e0nh<\/strong><\/td>\n<td><strong>12 th\u00e1ng<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>","protected":false},"featured_media":7018,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[77],"product_tag":[],"class_list":["post-7017","product","type-product","status-publish","has-post-thumbnail","product_cat-phu-kien-lap-dat-dien-mat-troi","first","instock","taxable","shipping-taxable","purchasable","product-type-simple"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>MCB AC Cemig SMGB1-125 3 Pha 4P 100A 400VAC 10kA - Sunny Solar<\/title>\n<meta name=\"description\" content=\"MCB AC Cemig SMGB1-125 3 pha 4P 100A, \u0111i\u1ec7n \u00e1p 400VAC, kh\u1ea3 n\u0103ng c\u1eaft 10kA, b\u1ea3o v\u1ec7 qu\u00e1 t\u1ea3i v\u00e0 ng\u1eafn m\u1ea1ch. 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