{"id":18244,"date":"2025-07-09T21:39:48","date_gmt":"2025-07-09T13:39:48","guid":{"rendered":"https:\/\/viox.com\/?p=18244"},"modified":"2026-02-01T12:05:28","modified_gmt":"2026-02-01T04:05:28","slug":"mccb-vs-mcb","status":"publish","type":"post","link":"https:\/\/test.viox.com\/vi\/mccb-vs-mcb\/","title":{"rendered":"MCCB so v\u1edbi MCB: H\u01b0\u1edbng d\u1eabn so s\u00e1nh \u0111\u1ea7y \u0111\u1ee7 \u0111\u1ec3 l\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb ng\u1eaft m\u1ea1ch (2026)"},"content":{"rendered":"<div class=\"product-intro\">\n<h2>Tr\u1ea3 l\u1eddi tr\u1ef1c ti\u1ebfp: S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa MCCB v\u00e0 MCB l\u00e0 g\u00ec?<\/h2>\n<p><strong><a href=\"https:\/\/test.viox.com\/vi\/mccb\/\">MCCB (Molded Case Circuit Breaker - Aptomat v\u1ecf \u0111\u00fac)<\/a> v\u00e0 <a href=\"https:\/\/test.viox.com\/vi\/mcb\/\">MCB (M\u00e1y c\u1eaft m\u1ea1ch thu nh\u1ecf)<\/a> kh\u00e1c nhau ch\u1ee7 y\u1ebfu v\u1ec1 c\u00f4ng su\u1ea5t v\u00e0 \u1ee9ng d\u1ee5ng.<\/strong> MCCB x\u1eed l\u00fd d\u00f2ng \u0111i\u1ec7n 10-2.500A v\u1edbi c\u00e0i \u0111\u1eb7t d\u00f2ng c\u1eaft c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh cho m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng c\u00f4ng nghi\u1ec7p, trong khi MCB x\u1eed l\u00fd d\u00f2ng \u0111i\u1ec7n 0,5-125A v\u1edbi c\u00e0i \u0111\u1eb7t c\u1ed1 \u0111\u1ecbnh cho c\u00e1c \u1ee9ng d\u1ee5ng d\u00e2n d\u1ee5ng. MCCB cung c\u1ea5p kh\u1ea3 n\u0103ng c\u1eaft d\u00f2ng l\u1edbn h\u01a1n (10-200kA so v\u1edbi 3-15kA), b\u1ea3o v\u1ec7 c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh v\u00e0 chi ph\u00ed t\u1eeb 100-5.000 \u0111\u00f4 la tr\u1edf l\u00ean, trong khi MCB nh\u1ecf g\u1ecdn, ti\u1ebft ki\u1ec7m (5-100 \u0111\u00f4 la) v\u00e0 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 b\u1ea3o v\u1ec7 m\u1ea1ch c\u01a1 b\u1ea3n trong nh\u00e0 v\u00e0 c\u00e1c c\u01a1 s\u1edf th\u01b0\u01a1ng m\u1ea1i nh\u1ecf.<\/p>\n<hr \/>\n<h2>Nh\u1eefng \u0111i\u1ec3m ch\u00ednh<\/h2>\n<ul>\n<li><strong>C\u00f4ng su\u1ea5t hi\u1ec7n t\u1ea1i<\/strong>: MCCB x\u1eed l\u00fd 10-2.500A; MCB x\u1eed l\u00fd 0,5-125A<\/li>\n<li><strong>Kh\u1ea3 N\u0103ng Ph\u00e1 V\u1ee1<\/strong>: MCCB cung c\u1ea5p 10-200kA; MCB cung c\u1ea5p 3-15kA<\/li>\n<li><strong>Kh\u1ea3 n\u0103ng \u0111i\u1ec1u ch\u1ec9nh<\/strong>: MCCB c\u00f3 c\u00e0i \u0111\u1eb7t d\u00f2ng c\u1eaft c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh; MCB c\u00f3 \u0111\u1eb7c t\u00ednh c\u1ed1 \u0111\u1ecbnh<\/li>\n<li><strong>\u1ee8ng d\u1ee5ng<\/strong>: MCCB ph\u00f9 h\u1ee3p v\u1edbi ngu\u1ed3n \u0111i\u1ec7n ch\u00ednh c\u00f4ng nghi\u1ec7p\/th\u01b0\u01a1ng m\u1ea1i; MCB ph\u00f9 h\u1ee3p v\u1edbi m\u1ea1ch \u0111i\u1ec7n d\u00e2n d\u1ee5ng<\/li>\n<li><strong>Chi ph\u00ed<\/strong>: MCCB c\u00f3 gi\u00e1 t\u1eeb 100-5.000 \u0111\u00f4 la tr\u1edf l\u00ean; MCB c\u00f3 gi\u00e1 5-100 \u0111\u00f4 la<\/li>\n<li><strong>C\u00e0i \u0111\u1eb7t<\/strong>: MCCB y\u00eau c\u1ea7u kh\u00f4ng gian ri\u00eang; MCB g\u1eafn trong c\u00e1c b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n ti\u00eau chu\u1ea9n<\/li>\n<li><strong>Ti\u00eau chu\u1ea9n<\/strong>: C\u1ea3 hai \u0111\u1ec1u tu\u00e2n th\u1ee7 IEC 60947-2 (MCCB) v\u00e0 IEC 60898-1 (MCB)<\/li>\n<\/ul>\n<hr \/>\n<h2>T\u00ecm hi\u1ec3u v\u1ec1 MCB: Nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n c\u1ee7a B\u1ed9 ng\u1eaft m\u1ea1ch thu nh\u1ecf<\/h2>\n<p>M\u1ed9t <strong>M\u00e1y c\u1eaft m\u1ea1ch thu nh\u1ecf (MCB)<\/strong> l\u00e0 m\u1ed9t c\u00f4ng t\u1eafc \u0111i\u1ec7n nh\u1ecf g\u1ecdn, ho\u1ea1t \u0111\u1ed9ng t\u1ef1 \u0111\u1ed9ng, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 b\u1ea3o v\u1ec7 c\u00e1c m\u1ea1ch \u0111i\u1ec7n h\u1ea1 th\u1ebf kh\u1ecfi t\u00ecnh tr\u1ea1ng qu\u00e1 d\u00f2ng v\u00e0 ng\u1eafn m\u1ea1ch. MCB \u0111\u00e3 thay th\u1ebf c\u1ea7u ch\u00ec truy\u1ec1n th\u1ed1ng trong c\u00e1c \u1ee9ng d\u1ee5ng d\u00e2n d\u1ee5ng v\u00e0 th\u01b0\u01a1ng m\u1ea1i nh\u1ecf do kh\u1ea3 n\u0103ng t\u00e1i s\u1eed d\u1ee5ng v\u00e0 th\u1eddi gian ph\u1ea3n h\u1ed3i nhanh h\u01a1n.<\/p>\n<figure style=\"text-align: center; margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto; display: block; margin: 0 auto;\" src=\"https:\/\/img.viox.com\/Close-up-of-VIOX-Miniature-Circuit-Breaker-MCB-C32-6kA-showing-toggle-switch-transparent-window-and-DIN-rail-clip-on-white-background.webp\" alt=\"Close-up of VIOX Miniature Circuit Breaker MCB C32 6kA showing toggle switch, transparent window and DIN rail clip on white background\" \/><figcaption style=\"font-style: italic; color: #555; margin-top: 8px; font-size: 0.9em; text-align: center;\">H\u00ecnh 1: C\u1eadn c\u1ea3nh B\u1ed9 ng\u1eaft m\u1ea1ch thu nh\u1ecf VIOX (MCB) C32 6kA cho th\u1ea5y c\u00e1c chi ti\u1ebft c\u1ea5u tr\u00fac.<\/figcaption><\/figure>\n<h3>C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m c\u1ed1t l\u00f5i c\u1ee7a MCB<\/h3>\n<p>MCB ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng m\u1ed9t <strong>c\u01a1 ch\u1ebf c\u1eaft nhi\u1ec7t t\u1eeb<\/strong> k\u1ebft h\u1ee3p hai ph\u01b0\u01a1ng ph\u00e1p b\u1ea3o v\u1ec7. Ph\u1ea7n t\u1eed nhi\u1ec7t s\u1eed d\u1ee5ng m\u1ed9t d\u1ea3i l\u01b0\u1ee1ng kim u\u1ed1n cong trong \u0111i\u1ec1u ki\u1ec7n qu\u00e1 t\u1ea3i k\u00e9o d\u00e0i, trong khi ph\u1ea7n t\u1eed t\u1eeb t\u00ednh ph\u1ea3n \u1ee9ng ngay l\u1eadp t\u1ee9c v\u1edbi d\u00f2ng \u0111i\u1ec7n ng\u1eafn m\u1ea1ch b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng m\u1ed9t cu\u1ed9n d\u00e2y \u0111i\u1ec7n t\u1eeb.<\/p>\n<p><strong>Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a MCB ti\u00eau chu\u1ea9n:<\/strong><\/p>\n<ul>\n<li><strong>Hi\u1ec7n T\u1ea1i Gi\u00e1<\/strong>: 0,5A \u0111\u1ebfn 125A (ph\u1ed5 bi\u1ebfn nh\u1ea5t: 6A, 10A, 16A, 20A, 32A, 63A)<\/li>\n<li><strong>Kh\u1ea3 N\u0103ng Ph\u00e1 V\u1ee1<\/strong>: 3kA, 6kA, 10kA ho\u1eb7c 15kA t\u00f9y thu\u1ed9c v\u00e0o \u1ee9ng d\u1ee5ng<\/li>\n<li><strong>\u0110i\u1ec7n \u0110\u00e1nh Gi\u00e1<\/strong>: 230V AC (m\u1ed9t pha) ho\u1eb7c 400V AC (ba pha)<\/li>\n<li><strong>\u0110\u01b0\u1eddng cong chuy\u1ebfn \u0111i<\/strong>: Lo\u1ea1i B (3-5\u00d7In), Lo\u1ea1i C (5-10\u00d7In), Lo\u1ea1i D (10-20\u00d7In)<\/li>\n<li><strong>C\u1ea5u h\u00ecnh c\u1ef1c<\/strong>: C\u00e1c t\u00f9y ch\u1ecdn 1P, 2P, 3P, 4P<\/li>\n<li><strong>Ph\u1ea3n \u1ee8ng Th\u1eddi Gian<\/strong>: 0,01-0,1 gi\u00e2y \u0111\u1ed1i v\u1edbi ng\u1eafn m\u1ea1ch<\/li>\n<li><strong>Ti\u00eau Chu\u1ea9n Tu\u00e2n<\/strong>: IEC 60898-1, EN 60898-1<\/li>\n<\/ul>\n<p>MCB v\u01b0\u1ee3t tr\u1ed9i trong c\u00e1c \u1ee9ng d\u1ee5ng d\u00e2n d\u1ee5ng, n\u01a1i s\u1ef1 \u0111\u01a1n gi\u1ea3n, k\u00edch th\u01b0\u1edbc nh\u1ecf g\u1ecdn v\u00e0 hi\u1ec7u qu\u1ea3 chi ph\u00ed l\u00e0 \u01b0u ti\u00ean h\u00e0ng \u0111\u1ea7u. C\u00e1c \u0111\u1eb7c t\u00ednh c\u1eaft c\u1ed1 \u0111\u1ecbnh c\u1ee7a ch\u00fang l\u00e0m cho ch\u00fang tr\u1edf n\u00ean l\u00fd t\u01b0\u1edfng cho c\u00e1c t\u1ea3i c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c nh\u01b0 m\u1ea1ch chi\u1ebfu s\u00e1ng, \u1ed5 c\u1eafm v\u00e0 c\u00e1c thi\u1ebft b\u1ecb nh\u1ecf.<\/p>\n<hr \/>\n<h2>T\u00ecm hi\u1ec3u v\u1ec1 MCCB: Nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n c\u1ee7a B\u1ed9 ng\u1eaft m\u1ea1ch v\u1ecf \u0111\u00fac<\/h2>\n<p>M\u1ed9t <strong>B\u1ed9 ng\u1eaft m\u1ea1ch v\u1ecf \u0111\u00fac (MCCB)<\/strong> l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 \u0111i\u1ec7n c\u1ea5p c\u00f4ng nghi\u1ec7p \u0111\u01b0\u1ee3c \u0111\u1eb7t trong m\u1ed9t v\u1ecf c\u00e1ch \u0111i\u1ec7n \u0111\u00fac ch\u1eafc ch\u1eafn, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ng\u1eaft m\u1ea1ch trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n qu\u00e1 d\u00f2ng, ng\u1eafn m\u1ea1ch v\u00e0 ch\u1ea1m \u0111\u1ea5t. \u201cV\u1ecf \u0111\u00fac\u201d \u0111\u1ec1 c\u1eadp \u0111\u1ebfn v\u1ecf composite nhi\u1ec7t r\u1eafn ho\u1eb7c polyester th\u1ee7y tinh, mang l\u1ea1i \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc v\u00e0 kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng v\u01b0\u1ee3t tr\u1ed9i.<\/p>\n<figure style=\"text-align: center; margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto; display: block; margin: 0 auto;\" src=\"https:\/\/img.viox.com\/VIOX-400A-three-phase-Molded-Case-Circuit-Breaker-MCCB-installed-in-an-industrial-electrical-panel-with-visible-busbar-connections-and-adjustable-trip-settings.webp\" alt=\"VIOX 400A three-phase Molded Case Circuit Breaker MCCB installed in an industrial electrical panel with visible busbar connections and adjustable trip settings\" \/><figcaption style=\"font-style: italic; color: #555; margin-top: 8px; font-size: 0.9em; text-align: center;\">H\u00ecnh 2: MCCB ba pha VIOX 400A \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t trong b\u1ea3ng \u0111i\u1ec7n c\u00f4ng nghi\u1ec7p.<\/figcaption><\/figure>\n<h3>C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m c\u1ed1t l\u00f5i c\u1ee7a MCCB<\/h3>\n<p>MCCB s\u1eed d\u1ee5ng m\u1ed9t trong hai <strong>b\u1ed9 ph\u1eadn c\u1eaft nhi\u1ec7t t\u1eeb<\/strong> (truy\u1ec1n th\u1ed1ng) ho\u1eb7c <strong>b\u1ed9 ph\u1eadn c\u1eaft \u0111i\u1ec7n t\u1eed<\/strong> (hi\u1ec7n \u0111\u1ea1i) \u0111\u1ec3 b\u1ea3o v\u1ec7 ch\u00ednh x\u00e1c. C\u00e1c b\u1ed9 ph\u1eadn c\u1eaft \u0111i\u1ec7n t\u1eed cung c\u1ea5p c\u00e1c c\u00e0i \u0111\u1eb7t c\u00f3 th\u1ec3 l\u1eadp tr\u00ecnh, b\u1ea3o v\u1ec7 ch\u1ea1m \u0111\u1ea5t v\u00e0 kh\u1ea3 n\u0103ng giao ti\u1ebfp \u0111\u1ec3 t\u00edch h\u1ee3p l\u01b0\u1edbi \u0111i\u1ec7n th\u00f4ng minh.<\/p>\n<p><strong>Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a MCCB ti\u00eau chu\u1ea9n:<\/strong><\/p>\n<ul>\n<li><strong>Hi\u1ec7n T\u1ea1i Gi\u00e1<\/strong>: 10A \u0111\u1ebfn 2.500A (c\u00e1c d\u1ea3i ph\u1ed5 bi\u1ebfn: 63A, 100A, 250A, 400A, 630A, 800A)<\/li>\n<li><strong>Kh\u1ea3 N\u0103ng Ph\u00e1 V\u1ee1<\/strong>: 10kA \u0111\u1ebfn 200kA (\u0111\u1ecbnh m\u1ee9c Icu theo IEC 60947-2)<\/li>\n<li><strong>\u0110i\u1ec7n \u0110\u00e1nh Gi\u00e1<\/strong>: L\u00ean \u0111\u1ebfn 1.000V AC (690V ph\u1ed5 bi\u1ebfn nh\u1ea5t cho c\u00f4ng nghi\u1ec7p)<\/li>\n<li><strong>C\u00e1c lo\u1ea1i b\u1ed9 ph\u1eadn c\u1eaft<\/strong>: Nhi\u1ec7t t\u1eeb (TM), \u0111i\u1ec7n t\u1eed (ETU), d\u1ef1a tr\u00ean b\u1ed9 vi x\u1eed l\u00fd<\/li>\n<li><strong>Kh\u1ea3 n\u0103ng \u0111i\u1ec1u ch\u1ec9nh<\/strong>: Qu\u00e1 t\u1ea3i (0,4-1\u00d7In), tr\u1ec5 ng\u1eafn m\u1ea1ch, c\u1eaft t\u1ee9c th\u1eddi<\/li>\n<li><strong>C\u1ea5u h\u00ecnh c\u1ef1c<\/strong>: 2P, 3P, 4P v\u1edbi nhi\u1ec1u c\u00e1ch b\u1ed1 tr\u00ed trung t\u00ednh kh\u00e1c nhau<\/li>\n<li><strong>Ti\u00eau Chu\u1ea9n Tu\u00e2n<\/strong>: IEC 60947-2, UL 489, GB 14048.2<\/li>\n<\/ul>\n<p>MCCB chi\u1ebfm \u01b0u th\u1ebf trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p v\u00e0 th\u01b0\u01a1ng m\u1ea1i \u0111\u00f2i h\u1ecfi kh\u1ea3 n\u0103ng d\u00f2ng \u0111i\u1ec7n cao, \u0111i\u1ec1u ph\u1ed1i b\u1ea3o v\u1ec7 c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh v\u00e0 c\u1ea5u tr\u00fac ch\u1eafc ch\u1eafn cho m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t.<\/p>\n<hr \/>\n<h2>MCCB so v\u1edbi MCB: So s\u00e1nh k\u1ef9 thu\u1eadt to\u00e0n di\u1ec7n<\/h2>\n<h3>1. \u0110\u1ecbnh m\u1ee9c d\u00f2ng \u0111i\u1ec7n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i<\/h3>\n<p>S\u1ef1 kh\u00e1c bi\u1ec7t c\u01a1 b\u1ea3n nh\u1ea5t gi\u1eefa MCCB v\u00e0 MCB n\u1eb1m \u1edf kh\u1ea3 n\u0103ng x\u1eed l\u00fd d\u00f2ng \u0111i\u1ec7n c\u1ee7a ch\u00fang, \u0111i\u1ec1u n\u00e0y quy\u1ebft \u0111\u1ecbnh tr\u1ef1c ti\u1ebfp ph\u1ea1m vi \u1ee9ng d\u1ee5ng c\u1ee7a ch\u00fang.<\/p>\n<p><strong>\u0110\u1ecbnh m\u1ee9c d\u00f2ng \u0111i\u1ec7n c\u1ee7a MCB:<\/strong><\/p>\n<ul>\n<li>M\u1ea1ch \u0111i\u1ec7n d\u00e2n d\u1ee5ng: 6A-63A (chi\u1ebfu s\u00e1ng, \u1ed5 c\u1eafm, thi\u1ebft b\u1ecb nh\u1ecf)<\/li>\n<li>Th\u01b0\u01a1ng m\u1ea1i nh\u1ecf: 32A-125A (c\u00e1c thi\u1ebft b\u1ecb HVAC nh\u1ecf, thi\u1ebft b\u1ecb th\u01b0\u01a1ng m\u1ea1i)<\/li>\n<li>D\u00f2ng \u0111i\u1ec7n li\u00ean t\u1ee5c t\u1ed1i \u0111a: 125A<\/li>\n<\/ul>\n<p><strong>\u0110\u1ecbnh m\u1ee9c d\u00f2ng \u0111i\u1ec7n c\u1ee7a MCCB:<\/strong><\/p>\n<ul>\n<li>C\u00f4ng nghi\u1ec7p nh\u1eb9: 63A-250A (\u0111\u01b0\u1eddng c\u1ea5p \u0111i\u1ec7n cho \u0111\u1ed9ng c\u01a1, m\u00e1y m\u00f3c nh\u1ecf)<\/li>\n<li>C\u00f4ng nghi\u1ec7p n\u1eb7ng: 400A-1.600A (ph\u00e2n ph\u1ed1i ch\u00ednh, \u0111\u1ed9ng c\u01a1 l\u1edbn)<\/li>\n<li>C\u00e1c \u1ee9ng d\u1ee5ng chuy\u00ean d\u1ee5ng: L\u00ean \u0111\u1ebfn 2.500A (\u0111\u1ea7u v\u00e0o d\u1ecbch v\u1ee5, b\u1ea3o v\u1ec7 m\u00e1y bi\u1ebfn \u00e1p)<\/li>\n<\/ul>\n<p>S\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 c\u00f4ng su\u1ea5t n\u00e0y c\u00f3 ngh\u0129a l\u00e0 MCCB c\u00f3 th\u1ec3 b\u1ea3o v\u1ec7 to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng \u0111i\u1ec7n c\u1ee7a t\u00f2a nh\u00e0, trong khi MCB b\u1ea3o v\u1ec7 c\u00e1c m\u1ea1ch nh\u00e1nh ri\u00eang l\u1ebb. V\u00ed d\u1ee5: MCCB 200A c\u00f3 th\u1ec3 \u0111\u00f3ng vai tr\u00f2 l\u00e0 b\u1ed9 ng\u1eaft m\u1ea1ch ch\u00ednh cho m\u1ed9t t\u00f2a nh\u00e0 th\u01b0\u01a1ng m\u1ea1i, v\u1edbi MCB 20A b\u1ea3o v\u1ec7 c\u00e1c m\u1ea1ch v\u0103n ph\u00f2ng ri\u00eang l\u1ebb \u1edf h\u1ea1 ngu\u1ed3n.<\/p>\n<h3>2. Kh\u1ea3 n\u0103ng c\u1eaft (\u0110\u1ecbnh m\u1ee9c ng\u1eaft)<\/h3>\n<p><strong>Kh\u1ea3 n\u0103ng ph\u00e1 v\u1ee1<\/strong> th\u1ec3 hi\u1ec7n d\u00f2ng \u0111i\u1ec7n s\u1ef1 c\u1ed1 t\u1ed1i \u0111a m\u00e0 b\u1ed9 ng\u1eaft m\u1ea1ch c\u00f3 th\u1ec3 ng\u1eaft m\u1ed9t c\u00e1ch an to\u00e0n m\u00e0 kh\u00f4ng b\u1ecb h\u01b0 h\u1ea1i. Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt quan tr\u1ecdng n\u00e0y ph\u1ea3i v\u01b0\u1ee3t qu\u00e1 d\u00f2ng \u0111i\u1ec7n ng\u1eafn m\u1ea1ch d\u1ef1 ki\u1ebfn t\u1ea1i \u0111i\u1ec3m l\u1eafp \u0111\u1eb7t.<\/p>\n<p><strong>Kh\u1ea3 n\u0103ng c\u1eaft c\u1ee7a MCB:<\/strong><\/p>\n<ul>\n<li>L\u1eafp \u0111\u1eb7t trong n\u01b0\u1edbc: 6kA (d\u00f2ng \u0111i\u1ec7n s\u1ef1 c\u1ed1 6.000A)<\/li>\n<li>T\u00f2a nh\u00e0 th\u01b0\u01a1ng m\u1ea1i: Ti\u00eau chu\u1ea9n 10kA<\/li>\n<li>\u0110\u01b0\u1eddng c\u1ea5p \u0111i\u1ec7n c\u00f4ng nghi\u1ec7p: T\u1ed1i \u0111a 15kA<\/li>\n<\/ul>\n<p><strong>Kh\u1ea3 n\u0103ng c\u1eaft m\u1ea1ch c\u1ee7a MCCB:<\/strong><\/p>\n<ul>\n<li>C\u00f4ng nghi\u1ec7p nh\u1eb9: 25kA-50kA<\/li>\n<li>C\u00f4ng nghi\u1ec7p n\u1eb7ng: 65kA-100kA<\/li>\n<li>C\u01a1 s\u1edf h\u1ea1 t\u1ea7ng quan tr\u1ecdng: 150kA-200kA (c\u00e1c thi\u1ebft b\u1ecb chuy\u00ean d\u1ee5ng)<\/li>\n<\/ul>\n<p>Kh\u1ea3 n\u0103ng c\u1eaft m\u1ea1ch cao h\u01a1n \u1edf MCCB cho ph\u00e9p l\u1eafp \u0111\u1eb7t g\u1ea7n c\u00e1c ngu\u1ed3n \u0111i\u1ec7n h\u01a1n, n\u01a1i d\u00f2ng \u0111i\u1ec7n s\u1ef1 c\u1ed1 cao nh\u1ea5t, ch\u1eb3ng h\u1ea1n nh\u01b0 l\u1ed1i v\u00e0o d\u1ecbch v\u1ee5 ch\u00ednh v\u00e0 c\u00e1c k\u1ebft n\u1ed1i th\u1ee9 c\u1ea5p c\u1ee7a m\u00e1y bi\u1ebfn \u00e1p.<\/p>\n<figure style=\"text-align: center; margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto; display: block; margin: 0 auto;\" src=\"https:\/\/img.viox.com\/Technical-cutaway-diagram-comparing-VIOX-MCB-vs-MCCB-internal-components-highlighting-bimetallic-strip-magnetic-coil-and-arc-chutes.webp\" alt=\"Technical cutaway diagram comparing VIOX MCB vs MCCB internal components highlighting bimetallic strip, magnetic coil and arc chutes\" \/><figcaption style=\"font-style: italic; color: #555; margin-top: 8px; font-size: 0.9em; text-align: center;\">H\u00ecnh 3: S\u01a1 \u0111\u1ed3 c\u1eaft k\u1ef9 thu\u1eadt so s\u00e1nh c\u00e1c th\u00e0nh ph\u1ea7n b\u00ean trong c\u1ee7a VIOX MCB so v\u1edbi MCCB.<\/figcaption><\/figure>\n<h3>3. Kh\u1ea3 n\u0103ng \u0111i\u1ec1u ch\u1ec9nh c\u00e0i \u0111\u1eb7t Trip<\/h3>\n<p>T\u00ednh linh ho\u1ea1t trong c\u00e0i \u0111\u1eb7t trip th\u1ec3 hi\u1ec7n s\u1ef1 kh\u00e1c bi\u1ec7t l\u1edbn v\u1ec1 m\u1eb7t v\u1eadn h\u00e0nh, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ef1 ph\u1ed1i h\u1ee3p b\u1ea3o v\u1ec7 v\u00e0 t\u00ednh ch\u1ecdn l\u1ecdc c\u1ee7a h\u1ec7 th\u1ed1ng.<\/p>\n<p><strong>C\u00e0i \u0111\u1eb7t Trip c\u1ee7a MCB (C\u1ed1 \u0111\u1ecbnh):<\/strong><\/p>\n<ul>\n<li>\u0110\u01b0\u1eddng cong trip \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t t\u1ea1i nh\u00e0 m\u00e1y (lo\u1ea1i B, C ho\u1eb7c D)<\/li>\n<li>Kh\u00f4ng th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh t\u1ea1i ch\u1ed7<\/li>\n<li>B\u1ea3o v\u1ec7 qu\u00e1 t\u1ea3i: C\u1ed1 \u0111\u1ecbnh \u1edf d\u00f2ng \u0111i\u1ec7n \u0111\u1ecbnh m\u1ee9c<\/li>\n<li>Trip t\u1eeb t\u00ednh: C\u1ed1 \u0111\u1ecbnh \u1edf 3-20 l\u1ea7n d\u00f2ng \u0111i\u1ec7n \u0111\u1ecbnh m\u1ee9c (t\u00f9y thu\u1ed9c v\u00e0o \u0111\u01b0\u1eddng cong)<\/li>\n<li>\u01afu \u0111i\u1ec3m: \u0110\u01a1n gi\u1ea3n, kh\u00f4ng c\u00f3 l\u1ed7i c\u1ea5u h\u00ecnh<\/li>\n<li>H\u1ea1n ch\u1ebf: Kh\u00f4ng th\u1ec3 th\u00edch \u1ee9ng v\u1edbi c\u00e1c \u0111i\u1ec1u ki\u1ec7n t\u1ea3i thay \u0111\u1ed5i<\/li>\n<\/ul>\n<p><strong>C\u00e0i \u0111\u1eb7t Trip c\u1ee7a MCCB (C\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh):<\/strong><\/p>\n<ul>\n<li>Qu\u00e1 t\u1ea3i nhi\u1ec7t: C\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh 0,4-1,0 l\u1ea7n d\u00f2ng \u0111i\u1ec7n \u0111\u1ecbnh m\u1ee9c<\/li>\n<li>Tr\u1ec5 ng\u1eafn m\u1ea1ch: C\u00e1c d\u1ea3i th\u1eddi gian c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh (\u0111\u01b0\u1eddng cong I\u00b2t)<\/li>\n<li>Trip t\u1ee9c th\u1eddi: C\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh 2-15 l\u1ea7n d\u00f2ng \u0111i\u1ec7n \u0111\u1ecbnh m\u1ee9c<\/li>\n<li>Ch\u1ea1m \u0111\u1ea5t: T\u00f9y ch\u1ecdn, \u0111\u1ed9 nh\u1ea1y v\u00e0 \u0111\u1ed9 tr\u1ec5 c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh<\/li>\n<li>\u01afu \u0111i\u1ec3m: Ph\u1ed1i h\u1ee3p ch\u00ednh x\u00e1c, t\u1ed1i \u01b0u h\u00f3a theo t\u1ea3i c\u1ee5 th\u1ec3<\/li>\n<li>Y\u00eau c\u1ea7u: C\u1ea5u h\u00ecnh \u0111\u00fang c\u00e1ch b\u1edfi nh\u00e2n vi\u00ean c\u00f3 tr\u00ecnh \u0111\u1ed9<\/li>\n<\/ul>\n<p>Kh\u1ea3 n\u0103ng \u0111i\u1ec1u ch\u1ec9nh n\u00e0y cho ph\u00e9p MCCB \u0111\u1ea1t \u0111\u01b0\u1ee3c <strong>ph\u1ed1i h\u1ee3p ch\u1ecdn l\u1ecdc<\/strong>, trong \u0111\u00f3 ch\u1ec9 c\u00f3 b\u1ed9 ng\u1eaft m\u1ea1ch g\u1ea7n s\u1ef1 c\u1ed1 nh\u1ea5t b\u1ecb trip, duy tr\u00ec ngu\u1ed3n \u0111i\u1ec7n cho c\u00e1c m\u1ea1ch kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng\u2014\u0111i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi b\u1ec7nh vi\u1ec7n, trung t\u00e2m d\u1eef li\u1ec7u v\u00e0 c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p quy tr\u00ecnh li\u00ean t\u1ee5c.<\/p>\n<h3>4. K\u00edch th\u01b0\u1edbc v\u1eadt l\u00fd v\u00e0 y\u00eau c\u1ea7u l\u1eafp \u0111\u1eb7t<\/h3>\n<p><strong>K\u00edch th\u01b0\u1edbc MCB:<\/strong><\/p>\n<ul>\n<li>Chi\u1ec1u r\u1ed9ng: 17,5mm-18mm m\u1ed7i c\u1ef1c (ti\u00eau chu\u1ea9n DIN rail)<\/li>\n<li>Chi\u1ec1u cao: 85mm \u0111i\u1ec3n h\u00ecnh<\/li>\n<li>Chi\u1ec1u s\u00e2u: 70-80mm<\/li>\n<li>Tr\u1ecdng l\u01b0\u1ee3ng: 100-200g m\u1ed7i c\u1ef1c<\/li>\n<li>G\u1eafn: DIN rail (35mm TH35-7.5 ho\u1eb7c TH35-15)<\/li>\n<li>Kh\u00f4ng gian b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n: T\u1ed1i thi\u1ec3u, c\u00f3 th\u1ec3 l\u1eafp \u0111\u1eb7t m\u1eadt \u0111\u1ed9 cao<\/li>\n<\/ul>\n<p><strong>K\u00edch th\u01b0\u1edbc MCCB:<\/strong><\/p>\n<ul>\n<li>Chi\u1ec1u r\u1ed9ng: 70mm-280mm (t\u00f9y thu\u1ed9c v\u00e0o k\u00edch th\u01b0\u1edbc khung)<\/li>\n<li>Chi\u1ec1u cao: 140mm-320mm<\/li>\n<li>Chi\u1ec1u s\u00e2u: 80mm-150mm<\/li>\n<li>Tr\u1ecdng l\u01b0\u1ee3ng: 1-15kg t\u00f9y thu\u1ed9c v\u00e0o k\u00edch th\u01b0\u1edbc khung<\/li>\n<li>G\u1eafn: G\u1eafn b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n b\u1eb1ng bu l\u00f4ng, k\u1ebft n\u1ed1i thanh c\u00e1i<\/li>\n<li>Kh\u00f4ng gian b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n: Y\u00eau c\u1ea7u khoang chuy\u00ean d\u1ee5ng c\u00f3 kho\u1ea3ng h\u1edf<\/li>\n<\/ul>\n<p>S\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 k\u00edch th\u01b0\u1edbc \u1ea3nh h\u01b0\u1edfng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn thi\u1ebft k\u1ebf b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n. M\u1ed9t b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n d\u00e2n d\u1ee5ng \u0111i\u1ec3n h\u00ecnh ch\u1ee9a 12-40 v\u1ecb tr\u00ed MCB trong kh\u00f4ng gian nh\u1ecf g\u1ecdn, trong khi m\u1ed9t MCC (Trung t\u00e2m \u0111i\u1ec1u khi\u1ec3n \u0111\u1ed9ng c\u01a1) c\u00f4ng nghi\u1ec7p d\u00e0nh m\u1ed9t l\u01b0\u1ee3ng l\u1edbn kh\u00f4ng gian cho m\u1ed7i MCCB v\u1edbi kho\u1ea3ng c\u00e1ch t\u1ea3n nhi\u1ec7t th\u00edch h\u1ee3p.<\/p>\n<h3>5. Ph\u00e2n t\u00edch chi ph\u00ed v\u00e0 c\u00e2n nh\u1eafc kinh t\u1ebf<\/h3>\n<p><strong>C\u1ea5u tr\u00fac gi\u00e1 MCB:<\/strong><\/p>\n<ul>\n<li>\u0110\u01a1n c\u1ef1c c\u01a1 b\u1ea3n: \u20ab50.000-\u20ab150.000<\/li>\n<li>Ba pha (3P): \u20ab250.000-\u20ab600.000<\/li>\n<li>Kh\u1ea3 n\u0103ng c\u1eaft m\u1ea1ch cao (10kA): \u20ab300.000-\u20ab1.000.000<\/li>\n<li>Chi ph\u00ed l\u1eafp \u0111\u1eb7t: T\u1ed1i thi\u1ec3u (g\u1eafn nhanh tr\u00ean DIN rail)<\/li>\n<li>Tri\u1ebft l\u00fd thay th\u1ebf: V\u1ee9t b\u1ecf v\u00e0 thay th\u1ebf to\u00e0n b\u1ed9 thi\u1ebft b\u1ecb<\/li>\n<\/ul>\n<p><strong>C\u1ea5u tr\u00fac gi\u00e1 MCCB:<\/strong><\/p>\n<ul>\n<li>C\u1ea5p nh\u1eadp c\u1ea3nh (63-100A): \u20ab1.000.000-\u20ab3.000.000<\/li>\n<li>T\u1ea7m trung (250-400A): \u20ab4.000.000-\u20ab12.000.000<\/li>\n<li>Dung l\u01b0\u1ee3ng cao (630-1.600A): \u20ab15.000.000-\u20ab50.000.000+<\/li>\n<li>B\u1ed9 trip \u0111i\u1ec7n t\u1eed: Th\u00eam \u20ab5.000.000-\u20ab20.000.000<\/li>\n<li>Chi ph\u00ed l\u1eafp \u0111\u1eb7t: Cao h\u01a1n (y\u00eau c\u1ea7u th\u1ee3 \u0111i\u1ec7n l\u00e0nh ngh\u1ec1, th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt m\u00f4-men xo\u1eafn)<\/li>\n<li>Tri\u1ebft l\u00fd b\u1ea3o tr\u00ec: C\u00e1c th\u00e0nh ph\u1ea7n c\u00f3 th\u1ec3 b\u1ea3o d\u01b0\u1ee1ng, ki\u1ec3m tra \u0111\u1ecbnh k\u1ef3<\/li>\n<\/ul>\n<p><strong>C\u00e2n nh\u1eafc v\u1ec1 t\u1ed5ng chi ph\u00ed s\u1edf h\u1eefu (TCO):<\/strong><br \/>\nM\u1eb7c d\u00f9 MCCB c\u00f3 chi ph\u00ed tr\u1ea3 tr\u01b0\u1edbc cao h\u01a1n \u0111\u00e1ng k\u1ec3, nh\u01b0ng kh\u1ea3 n\u0103ng \u0111i\u1ec1u ch\u1ec9nh v\u00e0 kh\u1ea3 n\u0103ng b\u1ea3o d\u01b0\u1ee1ng c\u1ee7a ch\u00fang th\u01b0\u1eddng d\u1eabn \u0111\u1ebfn TCO th\u1ea5p h\u01a1n cho c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p. MCCB gi\u1ea3m thi\u1ec3u t\u00ecnh tr\u1ea1ng trip do nhi\u1ec5u th\u00f4ng qua ph\u1ed1i h\u1ee3p th\u00edch h\u1ee3p, gi\u1ea3m thi\u1ec3u th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng v\u00e0 cung c\u1ea5p kh\u1ea3 n\u0103ng gi\u00e1m s\u00e1t gi\u00fap x\u00e1c \u0111\u1ecbnh c\u00e1c s\u1ef1 c\u1ed1 tr\u01b0\u1edbc khi x\u1ea3y ra h\u1ecfng h\u00f3c.<\/p>\n<h3>6. C\u00e1c t\u00ednh n\u0103ng v\u00e0 kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7<\/h3>\n<figure style=\"text-align: center; margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto; display: block; margin: 0 auto;\" src=\"https:\/\/img.viox.com\/VIOX-Time-Current-Characteristic-Curves-graph-showing-overload-short-circuit-and-instantaneous-trip-protection-zones-for-MCB-and-MCCB.webp\" alt=\"VIOX Time Current Characteristic Curves graph showing overload, short circuit and instantaneous trip protection zones for MCB and MCCB\" \/><figcaption style=\"font-style: italic; color: #555; margin-top: 8px; font-size: 0.9em; text-align: center;\">H\u00ecnh 4: \u0110\u01b0\u1eddng cong \u0111\u1eb7c t\u00ednh th\u1eddi gian-d\u00f2ng \u0111i\u1ec7n VIOX hi\u1ec3n th\u1ecb c\u00e1c v\u00f9ng b\u1ea3o v\u1ec7 cho MCB v\u00e0 MCCB.<\/figcaption><\/figure>\n<p><strong>Ch\u1ee9c n\u0103ng b\u1ea3o v\u1ec7 MCB:<\/strong><\/p>\n<ul>\n<li>B\u1ea3o v\u1ec7 qu\u00e1 t\u1ea3i (ph\u1ea7n t\u1eed nhi\u1ec7t)<\/li>\n<li>B\u1ea3o v\u1ec7 ng\u1eafn m\u1ea1ch (ph\u1ea7n t\u1eed t\u1eeb t\u00ednh)<\/li>\n<li>B\u1ea3o v\u1ec7 h\u1ed3 quang c\u01a1 b\u1ea3n (v\u1ed1n c\u00f3)<\/li>\n<li>Kh\u00f4ng c\u00f3 b\u1ea3o v\u1ec7 ch\u1ea1m \u0111\u1ea5t (y\u00eau c\u1ea7u RCCB ri\u00eang)<\/li>\n<li>Kh\u00f4ng c\u00f3 kh\u1ea3 n\u0103ng giao ti\u1ebfp<\/li>\n<li>Kh\u00f4ng gi\u00e1m s\u00e1t ho\u1eb7c ch\u1ea9n \u0111o\u00e1n<\/li>\n<\/ul>\n<p><strong>Ch\u1ee9c n\u0103ng b\u1ea3o v\u1ec7 c\u1ee7a MCCB:<\/strong><\/p>\n<ul>\n<li>B\u1ea3o v\u1ec7 qu\u00e1 t\u1ea3i (\u0111i\u1ec1u ch\u1ec9nh nhi\u1ec7t ho\u1eb7c \u0111i\u1ec7n t\u1eed)<\/li>\n<li>B\u1ea3o v\u1ec7 ng\u1eafn m\u1ea1ch (\u0111i\u1ec1u ch\u1ec9nh t\u1eeb t\u00ednh ho\u1eb7c \u0111i\u1ec7n t\u1eed)<\/li>\n<li>B\u1ea3o v\u1ec7 ch\u1ea1m \u0111\u1ea5t (t\u00f9y ch\u1ecdn, \u0111i\u1ec1u ch\u1ec9nh \u0111\u01b0\u1ee3c)<\/li>\n<li>Gi\u1ea3i ph\u00f3ng \u0111i\u1ec7n \u00e1p th\u1ea5p (ph\u1ee5 ki\u1ec7n t\u00f9y ch\u1ecdn)<\/li>\n<li>Trip shunt (kh\u1ea3 n\u0103ng ng\u1eaft t\u1eeb xa)<\/li>\n<li>Li\u00ean kh\u00f3a ch\u1ecdn v\u00f9ng (ZSI)<\/li>\n<li>Gi\u00e1m s\u00e1t n\u0103ng l\u01b0\u1ee3ng (c\u00e1c kh\u1ed1i \u0111i\u1ec7n t\u1eed)<\/li>\n<li>Giao th\u1ee9c truy\u1ec1n th\u00f4ng (Modbus, Profibus, Ethernet\/IP)<\/li>\n<li>C\u1ea3nh b\u00e1o b\u1ea3o tr\u00ec d\u1ef1 \u0111o\u00e1n<\/li>\n<li>Ghi nh\u1eadt k\u00fd s\u1ef1 ki\u1ec7n v\u00e0 ch\u1ea9n \u0111o\u00e1n l\u1ed7i<\/li>\n<\/ul>\n<p>MCCB ti\u00ean ti\u1ebfn v\u1edbi c\u00e1c b\u1ed9 ng\u1eaft \u0111i\u1ec7n t\u1eed ho\u1ea1t \u0111\u1ed9ng nh\u01b0 c\u00e1c thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 th\u00f4ng minh, cung c\u1ea5p d\u1eef li\u1ec7u th\u1eddi gian th\u1ef1c v\u1ec1 d\u00f2ng \u0111i\u1ec7n, \u0111i\u1ec7n \u00e1p, h\u1ec7 s\u1ed1 c\u00f4ng su\u1ea5t, m\u1ee9c ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng v\u00e0 m\u00e9o h\u00e0i - nh\u1eefng kh\u1ea3 n\u0103ng kh\u00f4ng th\u1ec3 c\u00f3 v\u1edbi MCB c\u01a1 b\u1ea3n.<\/p>\n<hr \/>\n<h2>B\u1ea3ng so s\u00e1nh chi ti\u1ebft: MCCB so v\u1edbi MCB<\/h2>\n<table style=\"width: 100%; border-collapse: collapse; text-align: left;\" border=\"1\" cellspacing=\"0\" cellpadding=\"8\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th>Tham s\u1ed1<\/th>\n<th>MCB (M\u00e1y c\u1eaft m\u1ea1ch thu nh\u1ecf)<\/th>\n<th>MCCB (Molded Case Circuit Breaker - Aptomat v\u1ecf \u0111\u00fac)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Hi\u1ec7n T\u1ea1i Gi\u00e1<\/strong><\/td>\n<td>0,5A \u2013 125A<\/td>\n<td>10A \u2013 2,500A<\/td>\n<\/tr>\n<tr>\n<td><strong>Kh\u1ea3 N\u0103ng Ph\u00e1 V\u1ee1<\/strong><\/td>\n<td>3kA \u2013 15kA<\/td>\n<td>10kA \u2013 200kA<\/td>\n<\/tr>\n<tr>\n<td><strong>\u0110i\u1ec7n \u0110\u00e1nh Gi\u00e1<\/strong><\/td>\n<td>230V \u2013 400V AC<\/td>\n<td>L\u00ean \u0111\u1ebfn 1.000V AC<\/td>\n<\/tr>\n<tr>\n<td><strong>\u0110i\u1ec1u ch\u1ec9nh chuy\u1ebfn \u0111i<\/strong><\/td>\n<td>C\u1ed1 \u0111\u1ecbnh (c\u00e0i \u0111\u1eb7t t\u1ea1i nh\u00e0 m\u00e1y)<\/td>\n<td>\u0110i\u1ec1u ch\u1ec9nh \u0111\u01b0\u1ee3c (c\u1ea5u h\u00ecnh t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng)<\/td>\n<\/tr>\n<tr>\n<td><strong>C\u00e1c lo\u1ea1i \u0111\u01b0\u1eddng cong Trip<\/strong><\/td>\n<td>B, C, D (c\u1ed1 \u0111\u1ecbnh)<\/td>\n<td>\u0110\u01b0\u1eddng cong I\u00b2t t\u00f9y ch\u1ec9nh<\/td>\n<\/tr>\n<tr>\n<td><strong>C\u1ea5u h\u00ecnh c\u1ef1c<\/strong><\/td>\n<td>1P, 2P, 3P, 4P<\/td>\n<td>2P, 3P, 4P<\/td>\n<\/tr>\n<tr>\n<td><strong>Th\u1ec3 Ch\u1ea5t K\u00edch Th\u01b0\u1edbc<\/strong><\/td>\n<td>17.5mm m\u1ed7i c\u1ef1c<\/td>\n<td>70mm \u2013 280mm m\u1ed7i thi\u1ebft b\u1ecb<\/td>\n<\/tr>\n<tr>\n<td><strong>C\u00e2n n\u1eb7ng<\/strong><\/td>\n<td>100-200g<\/td>\n<td>1-15kg<\/td>\n<\/tr>\n<tr>\n<td><strong>Ph\u01b0\u01a1ng ph\u00e1p l\u1eafp \u0111\u1eb7t<\/strong><\/td>\n<td>G\u1eafn ray DIN<\/td>\n<td>G\u1eafn bu l\u00f4ng v\u00e0o b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n, thanh d\u1eabn<\/td>\n<\/tr>\n<tr>\n<td><strong>Th\u1eddi gian c\u00e0i \u0111\u1eb7t<\/strong><\/td>\n<td>1-2 ph\u00fat<\/td>\n<td>15-60 ph\u00fat<\/td>\n<\/tr>\n<tr>\n<td><strong>Ph\u1ea1m vi gi\u00e1<\/strong><\/td>\n<td>$5 &#8211; $100<\/td>\n<td>$100 &#8211; $5,000+<\/td>\n<\/tr>\n<tr>\n<td><strong>C\u01a1 ch\u1ebf chuy\u1ebfn \u0111i<\/strong><\/td>\n<td>Nhi\u1ec7t-t\u1eeb (c\u1ed1 \u0111\u1ecbnh)<\/td>\n<td>Nhi\u1ec7t-t\u1eeb ho\u1eb7c \u0111i\u1ec7n t\u1eed<\/td>\n<\/tr>\n<tr>\n<td><strong>B\u1ea3o v\u1ec7 ch\u1ed1ng ch\u1ea1m \u0111\u1ea5t<\/strong><\/td>\n<td>Kh\u00f4ng (y\u00eau c\u1ea7u RCCB)<\/td>\n<td>T\u00f9y ch\u1ecdn (t\u00edch h\u1ee3p)<\/td>\n<\/tr>\n<tr>\n<td><strong>\u0110i\u1ec1u khi\u1ec3n t\u1eeb xa<\/strong><\/td>\n<td>Kh\u00f4ng c\u00f3<\/td>\n<td>C\u00f3 (trip shunt, b\u1ed9 v\u1eadn h\u00e0nh b\u1eb1ng \u0111\u1ed9ng c\u01a1)<\/td>\n<\/tr>\n<tr>\n<td><strong>Giao ti\u1ebfp<\/strong><\/td>\n<td>Kh\u00f4ng c\u00f3<\/td>\n<td>C\u00f3 (c\u00e1c kh\u1ed1i \u0111i\u1ec7n t\u1eed)<\/td>\n<\/tr>\n<tr>\n<td><strong>Kh\u1ea3 n\u0103ng gi\u00e1m s\u00e1t<\/strong><\/td>\n<td>Kh\u00f4ng c\u00f3<\/td>\n<td>C\u00f3 (d\u00f2ng \u0111i\u1ec7n, \u0111i\u1ec7n \u00e1p, c\u00f4ng su\u1ea5t, n\u0103ng l\u01b0\u1ee3ng)<\/td>\n<\/tr>\n<tr>\n<td><strong>T\u00ednh ch\u1ecdn l\u1ecdc<\/strong><\/td>\n<td>Gi\u1edbi h\u1ea1n<\/td>\n<td>C\u00f3 th\u1ec3 ph\u1ed1i h\u1ee3p \u0111\u1ea7y \u0111\u1ee7<\/td>\n<\/tr>\n<tr>\n<td><strong>B\u1ea3o tr\u00ec<\/strong><\/td>\n<td>Thay th\u1ebf khi b\u1ecb l\u1ed7i<\/td>\n<td>C\u00f3 th\u1ec3 b\u1ea3o tr\u00ec, ki\u1ec3m tra<\/td>\n<\/tr>\n<tr>\n<td><strong>Tu\u1ed5i th\u1ecd<\/strong><\/td>\n<td>10-15 n\u0103m<\/td>\n<td>20-30 n\u0103m<\/td>\n<\/tr>\n<tr>\n<td><strong>Ti\u00eau chu\u1ea9n<\/strong><\/td>\n<td>IEC 60898-1, EN 60898<\/td>\n<td>IEC 60947-2, UL 489<\/td>\n<\/tr>\n<tr>\n<td><strong>\u0110i\u1ec3n H\u00ecnh \u1ee8ng D\u1ee5ng<\/strong><\/td>\n<td>Khu d\u00e2n c\u01b0, th\u01b0\u01a1ng m\u1ea1i nh\u1eb9<\/td>\n<td>\u0110i\u1ec7n l\u01b0\u1edbi c\u00f4ng nghi\u1ec7p, th\u01b0\u01a1ng m\u1ea1i<\/td>\n<\/tr>\n<tr>\n<td><strong>Ng\u1eaft h\u1ed3 quang<\/strong><\/td>\n<td>Bu\u1ed3ng d\u1eadp h\u1ed3 quang c\u01a1 b\u1ea3n<\/td>\n<td>Bu\u1ed3ng d\u1eadp h\u1ed3 quang ti\u00ean ti\u1ebfn<\/td>\n<\/tr>\n<tr>\n<td><strong>Nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng<\/strong><\/td>\n<td>-5\u00b0C \u0111\u1ebfn +40\u00b0C<\/td>\n<td>-25\u00b0C \u0111\u1ebfn +70\u00b0C (thay \u0111\u1ed5i)<\/td>\n<\/tr>\n<tr>\n<td><strong>X\u1ebfp h\u1ea1ng \u0111\u1ed9 cao<\/strong><\/td>\n<td>Ti\u00eau chu\u1ea9n l\u00ean \u0111\u1ebfn 2,000m<\/td>\n<td>L\u00ean \u0111\u1ebfn 2,000m (gi\u1ea3m \u0111\u1ecbnh m\u1ee9c tr\u00ean)<\/td>\n<\/tr>\n<tr>\n<td><strong>Ph\u1ee5 ki\u1ec7n<\/strong><\/td>\n<td>T\u1ed1i thi\u1ec3u (ti\u1ebfp \u0111i\u1ec3m ph\u1ee5)<\/td>\n<td>M\u1edf r\u1ed9ng (UVR, trip shunt, b\u1ed9 v\u1eadn h\u00e0nh b\u1eb1ng \u0111\u1ed9ng c\u01a1)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h2>H\u01b0\u1edbng d\u1eabn ch\u1ecdn \u1ee9ng d\u1ee5ng: Khi n\u00e0o n\u00ean s\u1eed d\u1ee5ng MCB so v\u1edbi MCCB<\/h2>\n<h3>Ch\u1ecdn MCB khi:<\/h3>\n<p><strong>\u1ee8ng d\u1ee5ng d\u00e2n d\u1ee5ng:<\/strong><\/p>\n<ul>\n<li>M\u1ea1ch chi\u1ebfu s\u00e1ng (MCB 6A-16A)<\/li>\n<li>\u1ed4 c\u1eafm \u0111i\u1ec7n th\u00f4ng th\u01b0\u1eddng (MCB 16A-20A)<\/li>\n<li>Thi\u1ebft b\u1ecb nh\u00e0 b\u1ebfp (MCB 20A-32A)<\/li>\n<li>M\u00e1y \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed l\u00ean \u0111\u1ebfn 5 t\u1ea5n (MCB 32A-40A)<\/li>\n<li>M\u00e1y n\u01b0\u1edbc n\u00f3ng v\u00e0 m\u00e1y b\u01a1m nh\u1ecf (MCB 20A-32A)<\/li>\n<\/ul>\n<p><strong>C\u00e1c \u1ee9ng d\u1ee5ng th\u01b0\u01a1ng m\u1ea1i nh\u1eb9:<\/strong><\/p>\n<ul>\n<li>Chi\u1ebfu s\u00e1ng v\u00e0 \u1ed5 c\u1eafm v\u0103n ph\u00f2ng<\/li>\n<li>C\u1eeda h\u00e0ng b\u00e1n l\u1ebb nh\u1ecf<\/li>\n<li>Thi\u1ebft b\u1ecb nh\u00e0 h\u00e0ng (m\u1ea1ch ri\u00eang l\u1ebb)<\/li>\n<li>X\u01b0\u1edfng nh\u1ecf<\/li>\n<li>C\u00e1c t\u00f2a nh\u00e0 chung c\u01b0 d\u00e2n c\u01b0 (c\u00e1c c\u0103n h\u1ed9 ri\u00eang l\u1ebb)<\/li>\n<\/ul>\n<p><strong>C\u00e1c ti\u00eau ch\u00ed l\u1ef1a ch\u1ecdn ch\u00ednh cho MCB:<\/strong><\/p>\n<ul>\n<li>T\u1ed5ng d\u00f2ng \u0111i\u1ec7n m\u1ea1ch \u2264 125A<\/li>\n<li>D\u00f2ng \u0111i\u1ec7n s\u1ef1 c\u1ed1 ti\u1ec1m n\u0103ng \u2264 15kA<\/li>\n<li>B\u1ea3o v\u1ec7 c\u1ed1 \u0111\u1ecbnh ph\u00f9 h\u1ee3p cho t\u1ea3i \u1ed5n \u0111\u1ecbnh<\/li>\n<li>H\u1ea1n ch\u1ebf v\u1ec1 kh\u00f4ng gian y\u00eau c\u1ea7u gi\u1ea3i ph\u00e1p nh\u1ecf g\u1ecdn<\/li>\n<li>C\u00e1c d\u1ef1 \u00e1n ti\u1ebft ki\u1ec7m ng\u00e2n s\u00e1ch<\/li>\n<li>\u01afu ti\u00ean l\u1eafp \u0111\u1eb7t v\u00e0 b\u1ea3o tr\u00ec \u0111\u01a1n gi\u1ea3n<\/li>\n<\/ul>\n<h3>Ch\u1ecdn MCCB Khi:<\/h3>\n<p><strong>\u1ee8ng d\u1ee5ng c\u00f4ng nghi\u1ec7p:<\/strong><\/p>\n<ul>\n<li>Ngu\u1ed3n c\u1ea5p \u0111\u1ed9ng c\u01a1 cho thi\u1ebft b\u1ecb &gt;10HP<\/li>\n<li>B\u1ea3ng ph\u00e2n ph\u1ed1i ch\u00ednh<\/li>\n<li>B\u1ea3o v\u1ec7 th\u1ee9 c\u1ea5p m\u00e1y bi\u1ebfn \u00e1p<\/li>\n<li>Thi\u1ebft b\u1ecb h\u00e0n v\u00e0 m\u00e1y m\u00f3c h\u1ea1ng n\u1eb7ng<\/li>\n<li>H\u1ec7 th\u1ed1ng HVAC c\u00f4ng nghi\u1ec7p (m\u00e1y l\u00e0m l\u1ea1nh, th\u00e1p gi\u1ea3i nhi\u1ec7t)<\/li>\n<li>H\u1ec7 th\u1ed1ng b\u0103ng t\u1ea3i v\u00e0 d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t<\/li>\n<\/ul>\n<p><strong>\u1ee8ng d\u1ee5ng th\u01b0\u01a1ng m\u1ea1i:<\/strong><\/p>\n<ul>\n<li>L\u1ed1i v\u00e0o d\u1ecbch v\u1ee5 ch\u00ednh c\u1ee7a t\u00f2a nh\u00e0<\/li>\n<li>T\u1ee7 \u0111i\u1ec7n ph\u00e2n ph\u1ed1i t\u1ea7ng<\/li>\n<li>Ngu\u1ed3n c\u1ea5p cho thang m\u00e1y v\u00e0 thang cu\u1ed1n<\/li>\n<li>Ngu\u1ed3n c\u1ea5p ch\u00ednh cho b\u1ebfp \u0103n c\u00f4ng nghi\u1ec7p<\/li>\n<li>Ph\u00e2n ph\u1ed1i \u0111i\u1ec7n trung t\u00e2m d\u1eef li\u1ec7u<\/li>\n<li>H\u1ec7 th\u1ed1ng \u0111i\u1ec7n quan tr\u1ecdng c\u1ee7a b\u1ec7nh vi\u1ec7n<\/li>\n<\/ul>\n<p><strong>C\u01a1 s\u1edf h\u1ea1 t\u1ea7ng quan tr\u1ecdng:<\/strong><\/p>\n<ul>\n<li>Nh\u00e0 m\u00e1y x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i<\/li>\n<li>C\u01a1 s\u1edf s\u1ea3n xu\u1ea5t<\/li>\n<li>C\u01a1 s\u1edf vi\u1ec5n th\u00f4ng<\/li>\n<li>H\u1ec7 th\u1ed1ng \u0111i\u1ec7n kh\u1ea9n c\u1ea5p<\/li>\n<li>L\u1eafp \u0111\u1eb7t n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o (m\u1eb7t tr\u1eddi, gi\u00f3)<\/li>\n<\/ul>\n<p><strong>Ti\u00eau ch\u00ed l\u1ef1a ch\u1ecdn ch\u00ednh cho MCCB:<\/strong><\/p>\n<ul>\n<li>D\u00f2ng \u0111i\u1ec7n m\u1ea1ch &gt;125A ho\u1eb7c d\u1ef1 ki\u1ebfn m\u1edf r\u1ed9ng trong t\u01b0\u01a1ng lai<\/li>\n<li>D\u00f2ng \u0111i\u1ec7n s\u1ef1 c\u1ed1 ti\u1ec1m n\u0103ng &gt;15kA<\/li>\n<li>Y\u00eau c\u1ea7u ph\u1ed1i h\u1ee3p ch\u1ecdn l\u1ecdc<\/li>\n<li>C\u1ea7n b\u1ea3o v\u1ec7 c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh cho c\u00e1c t\u1ea3i kh\u00e1c nhau<\/li>\n<li>Mong mu\u1ed1n c\u00f3 kh\u1ea3 n\u0103ng gi\u00e1m s\u00e1t v\u00e0 giao ti\u1ebfp<\/li>\n<li>\u0110i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t<\/li>\n<li>C\u00e1c \u1ee9ng d\u1ee5ng quan tr\u1ecdng \u0111\u00f2i h\u1ecfi \u0111\u1ed9 tin c\u1eady t\u1ed1i \u0111a<\/li>\n<\/ul>\n<hr \/>\n<h2>S\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 l\u1eafp \u0111\u1eb7t v\u00e0 \u0111\u1ea5u d\u00e2y<\/h2>\n<figure style=\"text-align: center; margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto; display: block; margin: 0 auto;\" src=\"https:\/\/img.viox.com\/VIOX-technical-installation-diagram-comparing-MCB-DIN-rail-wiring-vs-MCCB-busbar-connections-with-torque-specifications.webp\" alt=\"VIOX technical installation diagram comparing MCB DIN rail wiring vs MCCB busbar connections with torque specifications\" \/><figcaption style=\"font-style: italic; color: #555; margin-top: 8px; font-size: 0.9em; text-align: center;\">H\u00ecnh 5: S\u01a1 \u0111\u1ed3 l\u1eafp \u0111\u1eb7t k\u1ef9 thu\u1eadt so s\u00e1nh \u0111\u1ea5u d\u00e2y ray DIN MCB v\u1edbi k\u1ebft n\u1ed1i thanh c\u00e1i MCCB.<\/figcaption><\/figure>\n<h3>Th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t v\u1ec1 l\u1eafp \u0111\u1eb7t MCB<\/h3>\n<p><strong>L\u1eafp \u0111\u1eb7t thanh ray DIN:<\/strong><\/p>\n<ol>\n<li>G\u1eafn MCB v\u00e0o ray DIN 35mm (ti\u00eau chu\u1ea9n TH35-7.5)<\/li>\n<li>\u0110\u1ea3m b\u1ea3o kh\u1edbp c\u01a1 h\u1ecdc ch\u1eafc ch\u1eafn<\/li>\n<li>Duy tr\u00ec kho\u1ea3ng c\u00e1ch t\u1ed1i thi\u1ec3u 5mm gi\u1eefa c\u00e1c MCB li\u1ec1n k\u1ec1 \u0111\u1ec3 t\u1ea3n nhi\u1ec7t<\/li>\n<li>Nh\u00f3m theo lo\u1ea1i m\u1ea1ch \u0111\u1ec3 t\u1ed5 ch\u1ee9c h\u1ee3p l\u00fd<\/li>\n<\/ol>\n<p><strong>K\u1ebft n\u1ed1i d\u00e2y \u0111i\u1ec7n:<\/strong><\/p>\n<ul>\n<li>K\u00edch th\u01b0\u1edbc d\u00e2y d\u1eabn: 1.5mm\u00b2 \u2013 16mm\u00b2 (14-6 AWG)<\/li>\n<li>M\u00f4-men xo\u1eafn \u0111\u1ea7u cu\u1ed1i: 2-3 Nm (ki\u1ec3m tra th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t)<\/li>\n<li>Ph\u01b0\u01a1ng ph\u00e1p k\u1ebft n\u1ed1i: \u0110\u1ea7u n\u1ed1i \u0432\u0438\u043d\u0442 (ph\u1ed5 bi\u1ebfn nh\u1ea5t) ho\u1eb7c \u0111\u1ea7u n\u1ed1i c\u1eafm<\/li>\n<li>K\u1ebft n\u1ed1i thanh c\u00e1i: S\u1eed d\u1ee5ng thanh c\u00e1i \u0111\u1ecbnh m\u1ee9c MCB \u0111\u1ec3 li\u00ean k\u1ebft nhi\u1ec1u thi\u1ebft b\u1ecb<\/li>\n<li>Chu\u1ea9n b\u1ecb d\u00e2y: Tu\u1ed1t 10-12mm l\u1edbp c\u00e1ch \u0111i\u1ec7n, kh\u00f4ng c\u1ea7n \u0111\u1ea7u cos cho d\u00e2y d\u1eabn \u0111\u1eb7c<\/li>\n<\/ul>\n<p><strong>C\u00e2n nh\u1eafc b\u1ed1 tr\u00ed b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n:<\/strong><\/p>\n<ul>\n<li>L\u1eafp \u0111\u1eb7t v\u1edbi c\u00f4ng t\u1eafc b\u1eadt\/t\u1eaft c\u00f3 th\u1ec3 ti\u1ebfp c\u1eadn t\u1eeb ph\u00eda tr\u01b0\u1edbc<\/li>\n<li>Duy tr\u00ec kho\u1ea3ng h\u1edf l\u00e0m vi\u1ec7c theo y\u00eau c\u1ea7u c\u1ee7a NEC\/IEC<\/li>\n<li>Ghi nh\u00e3n r\u00f5 r\u00e0ng t\u1eebng m\u1ea1ch<\/li>\n<li>Xem x\u00e9t kh\u00f4ng gian m\u1edf r\u1ed9ng trong t\u01b0\u01a1ng lai<\/li>\n<\/ul>\n<h3>Th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t khi l\u1eafp \u0111\u1eb7t MCCB<\/h3>\n<p><strong>L\u1eafp \u0111\u1eb7t \u043d\u0430 \u043f\u0430\u043d\u0435\u043b\u0438:<\/strong><\/p>\n<ol>\n<li>\u0110\u00e1nh d\u1ea5u v\u00e0 khoan l\u1ed7 l\u1eafp theo m\u1eabu c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t<\/li>\n<li>S\u1eed d\u1ee5ng k\u00edch th\u01b0\u1edbc bu l\u00f4ng th\u00edch h\u1ee3p (th\u01b0\u1eddng l\u00e0 M8-M12)<\/li>\n<li>Si\u1ebft ch\u1eb7t bu l\u00f4ng l\u1eafp theo th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt (th\u01b0\u1eddng l\u00e0 10-25 Nm)<\/li>\n<li>\u0110\u1ea3m b\u1ea3o t\u1ea5m l\u01b0ng b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n cung c\u1ea5p \u0111\u1ee7 h\u1ed7 tr\u1ee3 cho tr\u1ecdng l\u01b0\u1ee3ng MCCB<\/li>\n<\/ol>\n<p><strong>K\u1ebft n\u1ed1i d\u00e2y \u0111i\u1ec7n:<\/strong><\/p>\n<ul>\n<li>K\u00edch th\u01b0\u1edbc d\u00e2y d\u1eabn: 10mm\u00b2 \u2013 300mm\u00b2 (8 AWG \u2013 600 kcmil) t\u00f9y thu\u1ed9c v\u00e0o k\u00edch th\u01b0\u1edbc khung<\/li>\n<li>S\u1eed d\u1ee5ng \u0111\u1ea7u cos c\u00e1p \u0111\u01b0\u1ee3c \u00e9p theo th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t<\/li>\n<li>M\u00f4-men xo\u1eafn \u0111\u1ea7u cu\u1ed1i: R\u1ea5t quan tr\u1ecdng\u2014tu\u00e2n theo th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ch\u00ednh x\u00e1c (th\u01b0\u1eddng l\u00e0 25-100 Nm)<\/li>\n<li>K\u1ebft n\u1ed1i thanh c\u00e1i: S\u1eed d\u1ee5ng thanh c\u00e1i \u0111\u01b0\u1ee3c \u0111\u1ecbnh m\u1ee9c ph\u00f9 h\u1ee3p v\u1edbi gi\u00e1 \u0111\u1ee1 th\u00edch h\u1ee3p<\/li>\n<li>Th\u1ee9 t\u1ef1 pha: Duy tr\u00ec c\u00e1ch s\u1eafp x\u1ebfp L1-L2-L3 nh\u1ea5t qu\u00e1n<\/li>\n<li>X\u1eed l\u00fd trung t\u00ednh: MCCB 4 c\u1ef1c cung c\u1ea5p trung t\u00ednh chuy\u1ec3n m\u1ea1ch khi c\u1ea7n thi\u1ebft<\/li>\n<\/ul>\n<p><strong>Y\u00eau c\u1ea7u l\u1eafp \u0111\u1eb7t quan tr\u1ecdng:<\/strong><\/p>\n<ul>\n<li>X\u00e1c minh th\u00f4ng gi\u00f3 \u0111\u1ea7y \u0111\u1ee7 xung quanh MCCB<\/li>\n<li>Duy tr\u00ec kho\u1ea3ng h\u1edf t\u1ed1i thi\u1ec3u theo NEC 110.26 ho\u1eb7c c\u00e1c quy t\u1eafc \u0111\u1ecba ph\u01b0\u01a1ng<\/li>\n<li>S\u1eed d\u1ee5ng gi\u00e1 \u0111\u1ee1 ch\u1ed1ng rung trong c\u00e1c \u1ee9ng d\u1ee5ng di \u0111\u1ed9ng ho\u1eb7c rung \u0111\u1ed9ng cao<\/li>\n<li>\u0110\u1ecbnh c\u1ea5u h\u00ecnh c\u00e0i \u0111\u1eb7t chuy\u1ebfn \u0111i tr\u01b0\u1edbc khi c\u1ea5p \u0111i\u1ec7n<\/li>\n<li>Th\u1ef1c hi\u1ec7n ki\u1ec3m tra \u0111i\u1ec7n tr\u1edf c\u00e1ch \u0111i\u1ec7n tr\u01b0\u1edbc khi v\u1eadn h\u00e0nh<\/li>\n<li>Ghi l\u1ea1i c\u00e0i \u0111\u1eb7t v\u00e0 duy tr\u00ec h\u1ed3 s\u01a1 ho\u00e0n c\u00f4ng<\/li>\n<\/ul>\n<hr \/>\n<h2>Y\u00eau c\u1ea7u b\u1ea3o tr\u00ec v\u00e0 th\u1eed nghi\u1ec7m<\/h2>\n<h3>B\u1ea3o tr\u00ec MCB (T\u1ed1i thi\u1ec3u)<\/h3>\n<p><strong>Ki\u1ec3m tra \u0111\u1ecbnh k\u1ef3 (H\u00e0ng n\u0103m):<\/strong><\/p>\n<ul>\n<li>Ki\u1ec3m tra tr\u1ef1c quan xem c\u00f3 h\u01b0 h\u1ecfng v\u1eadt l\u00fd, \u0111\u1ed5i m\u00e0u ho\u1eb7c ch\u00e1y kh\u00f4ng<\/li>\n<li>Ki\u1ec3m tra c\u00e1c k\u1ebft n\u1ed1i l\u1ecfng l\u1ebbo (khuy\u1ebfn ngh\u1ecb ch\u1ee5p \u1ea3nh nhi\u1ec7t)<\/li>\n<li>X\u00e1c minh ho\u1ea1t \u0111\u1ed9ng c\u01a1 h\u1ecdc th\u00edch h\u1ee3p (ki\u1ec3m tra chuy\u1ebfn \u0111i th\u1ee7 c\u00f4ng)<\/li>\n<li>L\u00e0m s\u1ea1ch b\u1ee5i v\u00e0 m\u1ea3nh v\u1ee5n kh\u1ecfi b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n<\/li>\n<\/ul>\n<p><strong>Ki\u1ec3m tra ch\u1ee9c n\u0103ng (3-5 n\u0103m m\u1ed9t l\u1ea7n):<\/strong><\/p>\n<ul>\n<li>Ki\u1ec3m tra v\u1eadn h\u00e0nh th\u1ee7 c\u00f4ng (chuy\u1ebfn \u0111i v\u00e0 \u0111\u1eb7t l\u1ea1i)<\/li>\n<li>X\u00e1c minh n\u00fat ki\u1ec3m tra (n\u1ebfu \u0111\u01b0\u1ee3c trang b\u1ecb)<\/li>\n<li>\u0110o \u0111i\u1ec7n tr\u1edf c\u00e1ch \u0111i\u1ec7n<\/li>\n<li>\u0110o \u0111i\u1ec7n tr\u1edf ti\u1ebfp x\u00fac (n\u1ebfu c\u00f3 th\u1ec3 ti\u1ebfp c\u1eadn)<\/li>\n<\/ul>\n<p><strong>Ch\u1ec9 s\u1ed1 thay th\u1ebf:<\/strong><\/p>\n<ul>\n<li>H\u01b0 h\u1ecfng ho\u1eb7c ch\u00e1y c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y<\/li>\n<li>Th\u01b0\u1eddng xuy\u00ean v\u1ea5p ng\u00e3 g\u00e2y phi\u1ec1n to\u00e1i<\/li>\n<li>Kh\u00f4ng ng\u1eaft m\u1ea1ch trong \u0111i\u1ec1u ki\u1ec7n th\u1eed nghi\u1ec7m<\/li>\n<li>Tu\u1ed5i &gt;15 n\u0103m trong c\u00e1c \u1ee9ng d\u1ee5ng quan tr\u1ecdng<\/li>\n<li>H\u00e0n ti\u1ebfp x\u00fac ho\u1eb7c li\u00ean k\u1ebft c\u01a1 h\u1ecdc<\/li>\n<\/ul>\n<p><strong>L\u01b0u \u00fd quan tr\u1ecdng:<\/strong> MCB l\u00e0 c\u00e1c thi\u1ebft b\u1ecb k\u00edn kh\u00f4ng c\u00f3 b\u1ed9 ph\u1eadn n\u00e0o ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 b\u1ea3o tr\u00ec. Thay th\u1ebf to\u00e0n b\u1ed9 thi\u1ebft b\u1ecb khi b\u1ecb l\u1ed7i\u2014kh\u00f4ng c\u1ed1 g\u1eafng s\u1eeda ch\u1eefa.<\/p>\n<h3>B\u1ea3o tr\u00ec MCCB (To\u00e0n di\u1ec7n)<\/h3>\n<p><strong>Ki\u1ec3m tra \u0111\u1ecbnh k\u1ef3 (H\u00e0ng qu\u00fd \u0111\u1ebfn h\u00e0ng n\u0103m):<\/strong><\/p>\n<ul>\n<li>Ki\u1ec3m tra tr\u1ef1c quan c\u00e1c h\u01b0 h\u1ecfng, \u0103n m\u00f2n, \u0111\u1ed5i m\u00e0u<\/li>\n<li>Ch\u1ee5p \u1ea3nh nhi\u1ec7t c\u00e1c k\u1ebft n\u1ed1i khi c\u00f3 t\u1ea3i<\/li>\n<li>X\u00e1c minh c\u00e0i \u0111\u1eb7t b\u1ed9 ng\u1eaft ph\u00f9 h\u1ee3p v\u1edbi t\u00e0i li\u1ec7u<\/li>\n<li>Ki\u1ec3m tra ho\u1ea1t \u0111\u1ed9ng c\u1ee7a thi\u1ebft b\u1ecb ph\u1ee5 tr\u1ee3<\/li>\n<li>L\u00e0m s\u1ea1ch \u1ed1ng d\u1eadp h\u1ed3 quang v\u00e0 \u0111\u01b0\u1eddng th\u00f4ng gi\u00f3<\/li>\n<li>Ki\u1ec3m tra \u0111\u1ed9 ch\u1eb7t c\u1ee7a c\u00e1c k\u1ebft n\u1ed1i thanh c\u00e1i<\/li>\n<\/ul>\n<p><strong>Ki\u1ec3m tra ch\u1ee9c n\u0103ng (H\u00e0ng n\u0103m \u0111\u1ebfn ba n\u0103m m\u1ed9t l\u1ea7n):<\/strong><\/p>\n<ul>\n<li>Ki\u1ec3m tra v\u1eadn h\u00e0nh th\u1ee7 c\u00f4ng (chu k\u1ef3 \u0111\u00f3ng\/m\u1edf)<\/li>\n<li>Ki\u1ec3m tra d\u00f2ng s\u01a1 c\u1ea5p (x\u00e1c minh th\u1eddi gian ng\u1eaft)<\/li>\n<li>Ki\u1ec3m tra \u0111i\u1ec7n tr\u1edf c\u00e1ch \u0111i\u1ec7n (&gt;1000V megger)<\/li>\n<li>Li\u00ean l\u1ea1c v\u1edbi kh\u00e1ng \u0111o<\/li>\n<li>Ki\u1ec3m tra ch\u1ee9c n\u0103ng ch\u1ea1m \u0111\u1ea5t (n\u1ebfu c\u00f3)<\/li>\n<li>X\u00e1c minh giao di\u1ec7n truy\u1ec1n th\u00f4ng (c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed)<\/li>\n<\/ul>\n<p><strong>Ki\u1ec3m tra to\u00e0n di\u1ec7n (5-10 n\u0103m m\u1ed9t l\u1ea7n):<\/strong><\/p>\n<ul>\n<li>Hi\u1ec7u ch\u1ec9nh ho\u00e0n ch\u1ec9nh b\u1ed9 ng\u1eaft<\/li>\n<li>\u0110\u00e1nh gi\u00e1 \u0111\u1ed9 m\u00f2n ti\u1ebfp \u0111i\u1ec3m<\/li>\n<li>Ki\u1ec3m tra \u1ed1ng d\u1eadp h\u1ed3 quang v\u00e0 thay th\u1ebf n\u1ebfu c\u1ea7n<\/li>\n<li>B\u00f4i tr\u01a1n c\u00e1c th\u00e0nh ph\u1ea7n c\u01a1 h\u1ecdc<\/li>\n<li>C\u1eadp nh\u1eadt firmware (c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed)<\/li>\n<li>Ki\u1ec3m tra ch\u1ee9c n\u0103ng \u0111\u1ea7y \u0111\u1ee7 theo quy tr\u00ecnh c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t<\/li>\n<\/ul>\n<p><strong>H\u1ed3 s\u01a1 b\u1ea3o tr\u00ec:<\/strong><br \/>\nL\u01b0u gi\u1eef h\u1ed3 s\u01a1 chi ti\u1ebft bao g\u1ed3m:<\/p>\n<ul>\n<li>Ng\u00e0y l\u1eafp \u0111\u1eb7t v\u00e0 c\u00e0i \u0111\u1eb7t ban \u0111\u1ea7u<\/li>\n<li>T\u1ea5t c\u1ea3 c\u00e1c ng\u00e0y v\u00e0 k\u1ebft qu\u1ea3 ki\u1ec3m tra<\/li>\n<li>B\u1ea5t k\u1ef3 \u0111i\u1ec1u ch\u1ec9nh ho\u1eb7c s\u1eeda ch\u1eefa n\u00e0o \u0111\u00e3 th\u1ef1c hi\u1ec7n<\/li>\n<li>L\u1ecbch s\u1eed l\u1ed7i v\u00e0 c\u00e1c s\u1ef1 ki\u1ec7n ng\u1eaft<\/li>\n<li>Thay th\u1ebf c\u00e1c th\u00e0nh ph\u1ea7n ho\u1eb7c ph\u1ee5 ki\u1ec7n<\/li>\n<\/ul>\n<hr \/>\n<h2>Nh\u1eefng sai l\u1ea7m th\u01b0\u1eddng g\u1eb7p khi l\u1ef1a ch\u1ecdn v\u00e0 c\u00e1ch tr\u00e1nh ch\u00fang<\/h2>\n<h3>L\u1ed7i 1: \u0110\u00e1nh gi\u00e1 th\u1ea5p kh\u1ea3 n\u0103ng c\u1eaft<\/h3>\n<p><strong>V\u1ea5n \u0111\u1ec1:<\/strong> L\u1eafp \u0111\u1eb7t MCB 6kA \u1edf n\u01a1i d\u00f2ng ng\u1eafn m\u1ea1ch d\u1ef1 ki\u1ebfn l\u00e0 12kA t\u1ea1o ra nguy c\u01a1 h\u1ecfng h\u00f3c nghi\u00eam tr\u1ecdng. B\u1ed9 ng\u1eaft c\u00f3 th\u1ec3 ph\u00e1t n\u1ed5 khi c\u1ed1 g\u1eafng ng\u1eaft d\u00f2ng ng\u1eafn m\u1ea1ch v\u01b0\u1ee3t qu\u00e1 \u0111\u1ecbnh m\u1ee9c c\u1ee7a n\u00f3.<\/p>\n<p><strong>Gi\u1ea3i ph\u00e1p:<\/strong> T\u00ednh to\u00e1n d\u00f2ng ng\u1eafn m\u1ea1ch d\u1ef1 ki\u1ebfn t\u1ea1i \u0111i\u1ec3m l\u1eafp \u0111\u1eb7t b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng d\u1eef li\u1ec7u m\u00e1y bi\u1ebfn \u00e1p c\u1ee7a ti\u1ec7n \u00edch v\u00e0 tr\u1edf kh\u00e1ng d\u00e2y d\u1eabn. Ch\u1ecdn b\u1ed9 ng\u1eaft c\u00f3 kh\u1ea3 n\u0103ng c\u1eaft \u2265125% d\u00f2ng ng\u1eafn m\u1ea1ch \u0111\u00e3 t\u00ednh to\u00e1n. Khi kh\u00f4ng ch\u1eafc ch\u1eafn, h\u00e3y ch\u1ec9 \u0111\u1ecbnh kh\u1ea3 n\u0103ng c\u1eaft cao h\u01a1n (MCB 10kA ch\u1ec9 t\u1ed1n th\u00eam m\u1ed9t ch\u00fat so v\u1edbi phi\u00ean b\u1ea3n 6kA).<\/p>\n<h3>L\u1ed7i 2: S\u1eed d\u1ee5ng MCB cho c\u00e1c \u1ee9ng d\u1ee5ng d\u00f2ng \u0111i\u1ec7n cao<\/h3>\n<p><strong>V\u1ea5n \u0111\u1ec1:<\/strong> M\u1eafc song song nhi\u1ec1u MCB \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c kh\u1ea3 n\u0103ng ch\u1ecbu d\u00f2ng \u0111i\u1ec7n cao h\u01a1n (v\u00ed d\u1ee5: hai MCB 63A cho t\u1ea3i 126A) vi ph\u1ea1m c\u00e1c quy t\u1eafc v\u1ec1 \u0111i\u1ec7n v\u00e0 t\u1ea1o ra c\u00e1c m\u1ed1i nguy hi\u1ec3m v\u1ec1 an to\u00e0n do d\u00f2ng \u0111i\u1ec7n kh\u00f4ng \u0111\u01b0\u1ee3c chia \u0111\u1ec1u.<\/p>\n<p><strong>Gi\u1ea3i ph\u00e1p:<\/strong> S\u1eed d\u1ee5ng MCCB \u0111\u01b0\u1ee3c \u0111\u1ecbnh m\u1ee9c ph\u00f9 h\u1ee3p cho b\u1ea5t k\u1ef3 t\u1ea3i li\u00ean t\u1ee5c n\u00e0o &gt;100A. Kh\u00f4ng bao gi\u1edd m\u1eafc song song c\u00e1c b\u1ed9 ng\u1eaft m\u1ea1ch tr\u1eeb khi \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u00e0 ph\u00ea duy\u1ec7t \u0111\u1eb7c bi\u1ec7t cho ho\u1ea1t \u0111\u1ed9ng song song.<\/p>\n<h3>L\u1ed7i 3: B\u1ecf qua c\u00e1c y\u00eau c\u1ea7u ph\u1ed1i h\u1ee3p<\/h3>\n<p><strong>V\u1ea5n \u0111\u1ec1:<\/strong> L\u1eafp \u0111\u1eb7t MCB trong to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng m\u00e0 kh\u00f4ng xem x\u00e9t s\u1ef1 ph\u1ed1i h\u1ee3p ch\u1ecdn l\u1ecdc d\u1eabn \u0111\u1ebfn vi\u1ec7c c\u00e1c b\u1ed9 ng\u1eaft \u1edf th\u01b0\u1ee3ng ngu\u1ed3n ng\u1eaft cho c\u00e1c l\u1ed7i \u1edf h\u1ea1 ngu\u1ed3n, g\u00e2y ra s\u1ef1 c\u1ed1 kh\u00f4ng c\u1ea7n thi\u1ebft cho c\u00e1c m\u1ea1ch kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng.<\/p>\n<p><strong>Gi\u1ea3i ph\u00e1p:<\/strong> Th\u1ef1c hi\u1ec7n nghi\u00ean c\u1ee9u ph\u1ed1i h\u1ee3p b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c \u0111\u01b0\u1eddng cong th\u1eddi gian-d\u00f2ng \u0111i\u1ec7n c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t. S\u1eed d\u1ee5ng MCCB c\u00f3 c\u00e0i \u0111\u1eb7t c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh \u1edf c\u00e1c v\u1ecb tr\u00ed th\u01b0\u1ee3ng ngu\u1ed3n \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c t\u00ednh ch\u1ecdn l\u1ecdc v\u1edbi MCB \u1edf h\u1ea1 ngu\u1ed3n. Ch\u1ec9 \u0111\u1ecbnh MCCB ng\u1eaft \u0111i\u1ec7n t\u1eed cho c\u00e1c \u1ee9ng d\u1ee5ng quan tr\u1ecdng \u0111\u00f2i h\u1ecfi s\u1ef1 ph\u1ed1i h\u1ee3p \u0111\u01b0\u1ee3c \u0111\u1ea3m b\u1ea3o.<\/p>\n<h3>L\u1ed7i 4: Ch\u1ecdn \u0111\u01b0\u1eddng cong ng\u1eaft kh\u00f4ng ch\u00ednh x\u00e1c<\/h3>\n<p><strong>V\u1ea5n \u0111\u1ec1:<\/strong> S\u1eed d\u1ee5ng MCB Lo\u1ea1i B (ng\u1eaft t\u1eeb 3-5\u00d7In) cho m\u1ea1ch \u0111\u1ed9ng c\u01a1 g\u00e2y ra ng\u1eaft kh\u00f3 ch\u1ecbu trong qu\u00e1 tr\u00ecnh kh\u1edfi \u0111\u1ed9ng \u0111\u1ed9ng c\u01a1, trong khi s\u1eed d\u1ee5ng MCB Lo\u1ea1i D (10-20\u00d7In) cho m\u1ea1ch chi\u1ebfu s\u00e1ng cung c\u1ea5p kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 ng\u1eafn m\u1ea1ch kh\u00f4ng \u0111\u1ea7y \u0111\u1ee7.<\/p>\n<p><strong>Gi\u1ea3i ph\u00e1p:<\/strong> Gh\u00e9p \u0111\u01b0\u1eddng cong ng\u1eaft v\u1edbi \u0111\u1eb7c t\u00ednh t\u1ea3i:<\/p>\n<ul>\n<li><strong>Lo\u1ea1i B<\/strong>: Chi\u1ebfu s\u00e1ng, t\u1ea3i \u0111i\u1ec7n tr\u1edf, \u0111\u01b0\u1eddng c\u00e1p d\u00e0i<\/li>\n<li><strong>Lo\u1ea1i C<\/strong>: M\u1ee5c \u0111\u00edch chung, \u0111\u1ed9ng c\u01a1 nh\u1ecf, m\u00e1y bi\u1ebfn \u00e1p (ph\u1ed5 bi\u1ebfn nh\u1ea5t)<\/li>\n<li><strong>Lo\u1ea1i D<\/strong>: \u0110\u1ed9ng c\u01a1 l\u1edbn, m\u00e1y bi\u1ebfn \u00e1p, t\u1ea3i c\u00f3 d\u00f2ng kh\u1edfi \u0111\u1ed9ng cao<\/li>\n<\/ul>\n<h3>L\u1ed7i 5: B\u1ecf qua c\u00e1c y\u1ebfu t\u1ed1 m\u00f4i tr\u01b0\u1eddng<\/h3>\n<p><strong>V\u1ea5n \u0111\u1ec1:<\/strong> L\u1eafp \u0111\u1eb7t MCB ti\u00eau chu\u1ea9n \u0111\u01b0\u1ee3c \u0111\u1ecbnh m\u1ee9c cho m\u00f4i tr\u01b0\u1eddng xung quanh 40\u00b0C trong c\u00e1c t\u1ee7 k\u00edn n\u01a1i nhi\u1ec7t \u0111\u1ed9 v\u01b0\u1ee3t qu\u00e1 50\u00b0C g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng ng\u1eaft s\u1edbm v\u00e0 gi\u1ea3m tu\u1ed5i th\u1ecd.<\/p>\n<p><strong>Gi\u1ea3i ph\u00e1p:<\/strong> \u00c1p d\u1ee5ng c\u00e1c h\u1ec7 s\u1ed1 gi\u1ea3m \u0111\u1ecbnh m\u1ee9c cho nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng xung quanh cao v\u00e0 kh\u00f4ng gian k\u00edn. C\u00e2n nh\u1eafc MCCB c\u00f3 \u0111\u1ecbnh m\u1ee9c nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n cho m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t. \u0110\u1ea3m b\u1ea3o th\u00f4ng gi\u00f3 t\u1ee7 \u0111\u1ea7y \u0111\u1ee7 ho\u1eb7c ch\u1ec9 \u0111\u1ecbnh b\u1ed9 ng\u1eaft c\u00f3 \u0111\u1ecbnh m\u1ee9c nhi\u1ec7t \u0111\u1ed9 m\u1edf r\u1ed9ng.<\/p>\n<h3>L\u1ed7i 6: B\u1ecf qua vi\u1ec7c m\u1edf r\u1ed9ng trong t\u01b0\u01a1ng lai<\/h3>\n<p><strong>V\u1ea5n \u0111\u1ec1:<\/strong> T\u1ea3i \u0111\u1ea7y c\u00f4ng su\u1ea5t t\u1ee7 b\u1eb1ng MCB kh\u00f4ng c\u00f2n ch\u1ed7 cho vi\u1ec7c b\u1ed5 sung m\u1ea1ch trong t\u01b0\u01a1ng lai, \u0111\u00f2i h\u1ecfi ph\u1ea3i thay th\u1ebf t\u1ee7 t\u1ed1n k\u00e9m.<\/p>\n<p><strong>Gi\u1ea3i ph\u00e1p:<\/strong> Thi\u1ebft k\u1ebf t\u1ee7 v\u1edbi c\u00f4ng su\u1ea5t d\u1ef1 ph\u00f2ng 20-30%. S\u1eed d\u1ee5ng MCCB cho c\u00e1c \u0111\u01b0\u1eddng c\u1ea5p ch\u00ednh v\u1edbi \u0111\u1ecbnh m\u1ee9c cho ph\u00e9p t\u0103ng tr\u01b0\u1edfng t\u1ea3i trong t\u01b0\u01a1ng lai. C\u00e2n nh\u1eafc c\u00e1c h\u1ec7 th\u1ed1ng t\u1ee7 m\u00f4-\u0111un cho ph\u00e9p m\u1edf r\u1ed9ng d\u1ec5 d\u00e0ng.<\/p>\n<hr \/>\n<h2>Ti\u00eau chu\u1ea9n v\u00e0 Ch\u1ee9ng nh\u1eadn: \u0110\u1ea3m b\u1ea3o Tu\u00e2n th\u1ee7<\/h2>\n<h3>Ti\u00eau Chu\u1ea9n Qu\u1ed1c T\u1ebf<\/h3>\n<p><strong>IEC 60898-1 (Ti\u00eau chu\u1ea9n MCB):<\/strong><\/p>\n<ul>\n<li>X\u00e1c \u0111\u1ecbnh c\u00e1c y\u00eau c\u1ea7u v\u1ec1 hi\u1ec7u su\u1ea5t cho MCB \u2264125A<\/li>\n<li>Ch\u1ec9 \u0111\u1ecbnh c\u00e1c \u0111\u1eb7c t\u00ednh \u0111\u01b0\u1eddng cong ng\u1eaft (lo\u1ea1i B, C, D)<\/li>\n<li>Thi\u1ebft l\u1eadp \u0111\u1ecbnh m\u1ee9c kh\u1ea3 n\u0103ng c\u1eaft (Icn)<\/li>\n<li>B\u1eaft bu\u1ed9c c\u00e1c y\u00eau c\u1ea7u v\u1ec1 \u0111\u00e1nh d\u1ea5u v\u00e0 ghi nh\u00e3n<\/li>\n<li>Bao g\u1ed3m ki\u1ec3m tra \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc v\u00e0 \u0111i\u1ec7n<\/li>\n<\/ul>\n<p><strong>IEC 60947-2 (Ti\u00eau chu\u1ea9n MCCB):<\/strong><\/p>\n<ul>\n<li>Bao g\u1ed3m MCCB v\u00e0 b\u1ed9 ng\u1eaft m\u1ea1ch n\u00f3i chung<\/li>\n<li>X\u00e1c \u0111\u1ecbnh Icu (kh\u1ea3 n\u0103ng c\u1eaft cu\u1ed1i c\u00f9ng) v\u00e0 Ics (kh\u1ea3 n\u0103ng c\u1eaft d\u1ecbch v\u1ee5)<\/li>\n<li>Ch\u1ec9 \u0111\u1ecbnh c\u00e1c lo\u1ea1i s\u1eed d\u1ee5ng (A v\u00e0 B)<\/li>\n<li>Thi\u1ebft l\u1eadp c\u00e1c y\u00eau c\u1ea7u ph\u1ed1i h\u1ee3p (Lo\u1ea1i 1 v\u00e0 Lo\u1ea1i 2)<\/li>\n<li>Bao g\u1ed3m c\u00e1c y\u00eau c\u1ea7u \u0111\u1ed1i v\u1edbi c\u00e1c b\u1ed9 ng\u1eaft \u0111i\u1ec7n t\u1eed<\/li>\n<\/ul>\n<p><strong>UL 489 (Ti\u00eau chu\u1ea9n B\u1eafc M\u1ef9):<\/strong><\/p>\n<ul>\n<li>Bao g\u1ed3m b\u1ed9 ng\u1eaft m\u1ea1ch v\u00e0 c\u00f4ng t\u1eafc v\u1ecf \u0111\u00fac<\/li>\n<li>X\u00e1c \u0111\u1ecbnh \u0111\u1ecbnh m\u1ee9c ng\u1eaft (AIR \u2013 \u0110\u1ecbnh m\u1ee9c ng\u1eaft d\u00f2ng \u0111i\u1ec7n)<\/li>\n<li>Ch\u1ec9 \u0111\u1ecbnh b\u1ed9 ng\u1eaft \u0111\u1ecbnh m\u1ee9c 80% so v\u1edbi 100%<\/li>\n<li>Thi\u1ebft l\u1eadp c\u00e1c quy tr\u00ecnh ki\u1ec3m tra cho th\u1ecb tr\u01b0\u1eddng B\u1eafc M\u1ef9<\/li>\n<li>B\u1eaft bu\u1ed9c \u0111\u1ed1i v\u1edbi c\u00e1c s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea theo ti\u00eau chu\u1ea9n UL \u1edf Hoa K\u1ef3\/Canada<\/li>\n<\/ul>\n<h3>C\u00e1c Ch\u1ee9ng Nh\u1eadn Quan Tr\u1ecdng C\u1ea7n X\u00e1c Minh<\/h3>\n<p><strong>\u0110\u1ed1i v\u1edbi MCB:<\/strong><\/p>\n<ul>\n<li>Ch\u1ee9ng nh\u1eadn CE (Tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n Ch\u00e2u \u00c2u)<\/li>\n<li>Ch\u1ee9ng ch\u1ec9 CB (C\u00f4ng nh\u1eadn l\u1eabn nhau qu\u1ed1c t\u1ebf)<\/li>\n<li>Ch\u1ee9ng nh\u1eadn UL (Th\u1ecb tr\u01b0\u1eddng B\u1eafc M\u1ef9)<\/li>\n<li>Ch\u1ee9ng nh\u1eadn CCC (Th\u1ecb tr\u01b0\u1eddng Trung Qu\u1ed1c)<\/li>\n<li>Ph\u00ea duy\u1ec7t c\u1ee7a ch\u00ednh quy\u1ec1n \u0111\u1ecba ph\u01b0\u01a1ng (thay \u0111\u1ed5i theo khu v\u1ef1c ph\u00e1p l\u00fd)<\/li>\n<\/ul>\n<p><strong>\u0110\u1ed1i v\u1edbi MCCB:<\/strong><\/p>\n<ul>\n<li>T\u1ea5t c\u1ea3 c\u00e1c ch\u1ee9ng nh\u1eadn MCB c\u1ed9ng v\u1edbi:<\/li>\n<li>B\u00e1o c\u00e1o th\u1eed nghi\u1ec7m lo\u1ea1i t\u1eeb c\u00e1c ph\u00f2ng th\u00ed nghi\u1ec7m \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn<\/li>\n<li>-Ch\u1eadp ph\u1ed1i h\u1ee3p nghi\u00ean c\u1ee9u<\/li>\n<li>\u0110\u00e1nh gi\u00e1 ch\u1ea5t l\u01b0\u1ee3ng \u0111\u1ecba ch\u1ea5n (c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng quan tr\u1ecdng)<\/li>\n<li>Ch\u1ee9ng nh\u1eadn h\u00e0ng h\u1ea3i (\u1ee9ng d\u1ee5ng tr\u00ean t\u00e0u)<\/li>\n<li>Ph\u00ea duy\u1ec7t v\u1ecb tr\u00ed nguy hi\u1ec3m (ATEX, IECEx cho m\u00f4i tr\u01b0\u1eddng d\u1ec5 n\u1ed5)<\/li>\n<\/ul>\n<h3>Danh S\u00e1ch Ki\u1ec3m Tra X\u00e1c Minh Tu\u00e2n Th\u1ee7<\/h3>\n<p>Tr\u01b0\u1edbc khi mua MCB ho\u1eb7c MCCB, h\u00e3y x\u00e1c minh:<\/p>\n<ol>\n<li><strong>Tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n th\u00edch h\u1ee3p<\/strong> cho khu v\u1ef1c ph\u00e1p l\u00fd c\u1ee7a b\u1ea1n<\/li>\n<li><strong>Ch\u1ee9ng nh\u1eadn kh\u1ea3 n\u0103ng c\u1eaft<\/strong> \u1edf \u0111i\u1ec7n \u00e1p \u0111\u1ecbnh m\u1ee9c<\/li>\n<li><strong>\u0110\u1ecbnh m\u1ee9c nhi\u1ec7t \u0111\u1ed9<\/strong> ph\u00f9 h\u1ee3p v\u1edbi m\u00f4i tr\u01b0\u1eddng l\u1eafp \u0111\u1eb7t<\/li>\n<li><strong>T\u00e0i li\u1ec7u ph\u1ed1i h\u1ee3p<\/strong> n\u1ebfu y\u00eau c\u1ea7u ho\u1ea1t \u0111\u1ed9ng ch\u1ecdn l\u1ecdc<\/li>\n<li><strong>B\u00e1o c\u00e1o th\u1eed nghi\u1ec7m c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t<\/strong> c\u00f3 s\u1eb5n \u0111\u1ec3 ki\u1ec3m tra<\/li>\n<li><strong>Ph\u1ea1m vi b\u1ea3o h\u00e0nh<\/strong> v\u00e0 kh\u1ea3 n\u0103ng h\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt<\/li>\n<li><strong>Kh\u1ea3 n\u0103ng cung c\u1ea5p ph\u1ee5 t\u00f9ng thay th\u1ebf<\/strong> \u0111\u1ed1i v\u1edbi MCCB y\u00eau c\u1ea7u b\u1ea3o tr\u00ec<\/li>\n<\/ol>\n<hr \/>\n<h2>Xu H\u01b0\u1edbng T\u01b0\u01a1ng Lai: B\u1ed9 Ng\u1eaft M\u1ea1ch Th\u00f4ng Minh v\u00e0 T\u00edch H\u1ee3p IoT<\/h2>\n<h3>Chuy\u1ec3n \u0110\u1ed5i S\u1ed1 trong B\u1ea3o V\u1ec7 M\u1ea1ch<\/h3>\n<p>MCCB hi\u1ec7n \u0111\u1ea1i ng\u00e0y c\u00e0ng k\u1ebft h\u1ee3p <strong>c\u00f4ng ngh\u1ec7 th\u00f4ng minh<\/strong> bi\u1ebfn ch\u00fang t\u1eeb c\u00e1c thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 th\u1ee5 \u0111\u1ed9ng th\u00e0nh c\u00e1c c\u00f4ng c\u1ee5 qu\u1ea3n l\u00fd n\u0103ng l\u01b0\u1ee3ng ch\u1ee7 \u0111\u1ed9ng:<\/p>\n<p><strong>Kh\u1ea3 N\u0103ng Hi\u1ec7n T\u1ea1i:<\/strong><\/p>\n<ul>\n<li>Gi\u00e1m s\u00e1t th\u1eddi gian th\u1ef1c d\u00f2ng \u0111i\u1ec7n, \u0111i\u1ec7n \u00e1p, c\u00f4ng su\u1ea5t, n\u0103ng l\u01b0\u1ee3ng<\/li>\n<li>Ph\u00e2n t\u00edch s\u00f3ng h\u00e0i v\u00e0 \u0111\u00e1nh gi\u00e1 ch\u1ea5t l\u01b0\u1ee3ng \u0111i\u1ec7n n\u0103ng<\/li>\n<li>C\u1ea3nh b\u00e1o b\u1ea3o tr\u00ec d\u1ef1 \u0111o\u00e1n d\u1ef1a tr\u00ean \u0111i\u1ec1u ki\u1ec7n ho\u1ea1t \u0111\u1ed9ng<\/li>\n<li>\u0110i\u1ec1u khi\u1ec3n t\u1eeb xa v\u00e0 gi\u00e1m s\u00e1t tr\u1ea1ng th\u00e1i<\/li>\n<li>H\u1ee3p v\u1edbi qu\u1ea3n l\u00fd t\u00f2a nh\u00e0 h\u1ec7 th\u1ed1ng (TEM)<\/li>\n<li>K\u1ebft n\u1ed1i \u0111\u00e1m m\u00e2y \u0111\u1ec3 ph\u00e2n t\u00edch v\u00e0 b\u00e1o c\u00e1o<\/li>\n<\/ul>\n<p><strong>C\u00f4ng ngh\u1ec7 m\u1edbi n\u1ed5i:<\/strong><\/p>\n<ul>\n<li>D\u1ef1 \u0111o\u00e1n v\u00e0 ch\u1ea9n \u0111o\u00e1n l\u1ed7i b\u1eb1ng AI<\/li>\n<li>X\u00e1c minh b\u1ea3o tr\u00ec d\u1ef1a tr\u00ean Blockchain<\/li>\n<li>M\u00f4 h\u00ecnh h\u00f3a song sinh k\u1ef9 thu\u1eadt s\u1ed1 \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a h\u1ec7 th\u1ed1ng<\/li>\n<li>C\u00e1c t\u00ednh n\u0103ng an ninh m\u1ea1ng \u0111\u1ec3 b\u1ea3o v\u1ec7 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng quan tr\u1ecdng<\/li>\n<li>Kh\u1ea3 n\u0103ng t\u00edch h\u1ee3p l\u01b0\u1edbi \u0111i\u1ec7n t\u1ef1 ph\u1ee5c h\u1ed3i<\/li>\n<\/ul>\n<h3>MCB Th\u00f4ng Minh: Thu H\u1eb9p Kho\u1ea3ng C\u00e1ch<\/h3>\n<p>Trong khi MCB truy\u1ec1n th\u1ed1ng thi\u1ebfu th\u00f4ng minh, c\u00e1c <strong>MCB th\u00f4ng minh<\/strong> s\u1ea3n ph\u1ea9m \u0111ang n\u1ed5i l\u00ean:<\/p>\n<ul>\n<li>K\u1ebft n\u1ed1i Wi-Fi ho\u1eb7c Bluetooth \u0111\u1ec3 gi\u00e1m s\u00e1t nh\u00e0 \u1edf<\/li>\n<li>Theo d\u00f5i m\u1ee9c ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng tr\u00ean m\u1ed7i m\u1ea1ch<\/li>\n<li>\u0110i\u1ec1u khi\u1ec3n v\u00e0 th\u00f4ng b\u00e1o \u1ee9ng d\u1ee5ng tr\u00ean \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh<\/li>\n<li>T\u00edch h\u1ee3p v\u1edbi h\u1ec7 th\u1ed1ng t\u1ef1 \u0111\u1ed9ng h\u00f3a gia \u0111\u00ecnh<\/li>\n<li>Ghi nh\u1eadt k\u00fd v\u00e0 ph\u00e2n t\u00edch s\u1ef1 ki\u1ec7n qu\u00e1 d\u00f2ng<\/li>\n<\/ul>\n<p>C\u00e1c thi\u1ebft b\u1ecb n\u00e0y thu h\u1eb9p kho\u1ea3ng c\u00e1ch gi\u1eefa b\u1ea3o v\u1ec7 MCB c\u01a1 b\u1ea3n v\u00e0 tr\u00ed th\u00f4ng minh MCCB \u1edf m\u1ee9c gi\u00e1 d\u00e2n d\u1ee5ng, \u0111\u1ea1i di\u1ec7n cho t\u01b0\u01a1ng lai c\u1ee7a an to\u00e0n \u0111i\u1ec7n gia \u0111\u00ecnh.<\/p>\n<hr \/>\n<h2>Nh\u1eefng c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p (FAQ)<\/h2>\n<h3>C\u00e2u h\u1ecfi chung<\/h3>\n<p><strong>H: T\u00f4i c\u00f3 th\u1ec3 thay th\u1ebf MCB b\u1eb1ng MCCB trong b\u1ea3ng \u0111i\u1ec7n d\u00e2n d\u1ee5ng c\u1ee7a m\u00ecnh kh\u00f4ng?<\/strong><\/p>\n<p>\u0110: V\u1ec1 m\u1eb7t v\u1eadt l\u00fd, kh\u00f4ng\u2014MCCB qu\u00e1 l\u1edbn \u0111\u1ed1i v\u1edbi c\u00e1c b\u1ea3ng \u0111i\u1ec7n d\u00e2n d\u1ee5ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho MCB g\u1eafn ray DIN. V\u1ec1 m\u1eb7t ch\u1ee9c n\u0103ng, n\u00f3 c\u0169ng kh\u00f4ng c\u1ea7n thi\u1ebft v\u00e0 t\u1ed1n k\u00e9m. MCCB \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p. N\u1ebfu b\u1ea1n c\u1ea7n c\u00f4ng su\u1ea5t cao h\u01a1n MCB cung c\u1ea5p, h\u00e3y c\u00e2n nh\u1eafc n\u00e2ng c\u1ea5p to\u00e0n b\u1ed9 b\u1ea3ng \u0111i\u1ec7n c\u1ee7a b\u1ea1n l\u00ean m\u1ed9t d\u1ecbch v\u1ee5 l\u1edbn h\u01a1n v\u1edbi b\u1ed9 ng\u1eaft m\u1ea1ch ch\u00ednh ph\u00f9 h\u1ee3p.<\/p>\n<p><strong>H: L\u00e0m c\u00e1ch n\u00e0o \u0111\u1ec3 bi\u1ebft t\u00f4i c\u1ea7n MCB hay MCCB cho \u1ee9ng d\u1ee5ng c\u1ee7a m\u00ecnh?<\/strong><\/p>\n<p>\u0110: S\u1eed d\u1ee5ng c\u00e2y quy\u1ebft \u0111\u1ecbnh \u0111\u01a1n gi\u1ea3n n\u00e0y:<\/p>\n<ul>\n<li>D\u00f2ng \u0111i\u1ec7n t\u1ea3i \u2264100A + d\u00e2n d\u1ee5ng\/th\u01b0\u01a1ng m\u1ea1i nh\u1eb9 = <strong>MCB<\/strong><\/li>\n<li>D\u00f2ng \u0111i\u1ec7n t\u1ea3i &gt;100A + c\u00f4ng nghi\u1ec7p\/th\u01b0\u01a1ng m\u1ea1i = <strong>MCCB<\/strong><\/li>\n<li>C\u1ea7n b\u1ea3o v\u1ec7 c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh = <strong>MCCB<\/strong><\/li>\n<li>Y\u00eau c\u1ea7u ph\u1ed1i h\u1ee3p ch\u1ecdn l\u1ecdc = <strong>MCCB<\/strong><\/li>\n<li>Ng\u00e2n s\u00e1ch eo h\u1eb9p + t\u1ea3i \u0111\u01a1n gi\u1ea3n = <strong>MCB<\/strong><\/li>\n<\/ul>\n<p><strong>H: Ch\u1eef \u201cC\u201d trong MCB C32 c\u00f3 ngh\u0129a l\u00e0 g\u00ec?<\/strong><\/p>\n<p>\u0110: Ch\u1eef \u201cC\u201d ch\u1ec9 lo\u1ea1i \u0111\u01b0\u1eddng cong ng\u1eaft (ng\u01b0\u1ee1ng ng\u1eaft t\u1eeb), trong khi \u201c32\u201d l\u00e0 d\u00f2ng \u0111i\u1ec7n \u0111\u1ecbnh m\u1ee9c t\u00ednh b\u1eb1ng ampe. MCB lo\u1ea1i C ng\u1eaft t\u1eeb \u1edf d\u00f2ng \u0111i\u1ec7n \u0111\u1ecbnh m\u1ee9c 5-10\u00d7, l\u00e0m cho ch\u00fang ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c m\u1ea1ch \u0111a n\u0103ng c\u00f3 d\u00f2ng \u0111i\u1ec7n kh\u1edfi \u0111\u1ed9ng v\u1eeba ph\u1ea3i. Lo\u1ea1i B ng\u1eaft \u1edf 3-5\u00d7In (nh\u1ea1y, cho chi\u1ebfu s\u00e1ng), Lo\u1ea1i D \u1edf 10-20\u00d7In (\u0111\u1ed9ng c\u01a1, m\u00e1y bi\u1ebfn \u00e1p).<\/p>\n<h3>C\u00e2u h\u1ecfi k\u1ef9 thu\u1eadt<\/h3>\n<p><strong>H: MCCB c\u00f3 th\u1ec3 b\u1ea3o v\u1ec7 ch\u1ed1ng l\u1ea1i s\u1ef1 c\u1ed1 ch\u1ea1m \u0111\u1ea5t kh\u00f4ng?<\/strong><\/p>\n<p>\u0110: M\u1ed9t s\u1ed1 MCCB bao g\u1ed3m c\u00e1c m\u00f4-\u0111un b\u1ea3o v\u1ec7 ch\u1ea1m \u0111\u1ea5t t\u00f9y ch\u1ecdn (GFPM) ph\u00e1t hi\u1ec7n d\u00f2ng \u0111i\u1ec7n r\u00f2 r\u1ec9 xu\u1ed1ng \u0111\u1ea5t. T\u00ednh n\u0103ng n\u00e0y kh\u00f4ng ph\u1ea3i l\u00e0 ti\u00eau chu\u1ea9n m\u00e0 c\u00f3 s\u1eb5n d\u01b0\u1edbi d\u1ea1ng m\u1ed9t ch\u1ee9c n\u0103ng b\u1ed5 sung ho\u1eb7c t\u00edch h\u1ee3p trong c\u00e1c b\u1ed9 ph\u1eadn ng\u1eaft \u0111i\u1ec7n t\u1eed. MCB ti\u00eau chu\u1ea9n kh\u00f4ng cung c\u1ea5p b\u1ea3o v\u1ec7 ch\u1ea1m \u0111\u1ea5t\u2014b\u1ea1n c\u1ea7n m\u1ed9t RCCB (B\u1ed9 ng\u1eaft m\u1ea1ch d\u00f2ng d\u01b0) ri\u00eang bi\u1ec7t cho ch\u1ee9c n\u0103ng \u0111\u00f3.<\/p>\n<p><strong>H: S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa x\u1ebfp h\u1ea1ng Icu v\u00e0 Ics tr\u00ean MCCB l\u00e0 g\u00ec?<\/strong><\/p>\n<p>M\u1ed8T: <strong>Icu (Kh\u1ea3 n\u0103ng ph\u00e1 v\u1ee1 t\u1ed1i \u0111a)<\/strong> l\u00e0 d\u00f2ng \u0111i\u1ec7n s\u1ef1 c\u1ed1 t\u1ed1i \u0111a m\u00e0 MCCB c\u00f3 th\u1ec3 ng\u1eaft m\u1ed9t l\u1ea7n m\u00e0 kh\u00f4ng b\u1ecb h\u01b0 h\u1ea1i, nh\u01b0ng c\u00f3 th\u1ec3 kh\u00f4ng ph\u00f9 h\u1ee3p \u0111\u1ec3 ti\u1ebfp t\u1ee5c s\u1eed d\u1ee5ng. <strong>ICS (Kh\u1ea3 n\u0103ng ng\u1eaft d\u1ecbch v\u1ee5)<\/strong> l\u00e0 m\u1ee9c d\u00f2ng ng\u1eafn m\u1ea1ch m\u00e0 MCCB c\u00f3 th\u1ec3 c\u1eaft nhi\u1ec1u l\u1ea7n v\u00e0 v\u1eabn ho\u1ea1t \u0111\u1ed9ng. \u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng quan tr\u1ecdng, h\u00e3y \u0111\u1ea3m b\u1ea3o Ics \u0111\u00e1p \u1ee9ng ho\u1eb7c v\u01b0\u1ee3t qu\u00e1 d\u00f2ng ng\u1eafn m\u1ea1ch d\u1ef1 ki\u1ebfn. Th\u00f4ng th\u01b0\u1eddng, Ics = 50-100% Icu t\u00f9y thu\u1ed9c v\u00e0o lo\u1ea1i b\u1ed9 ng\u1eaft m\u1ea1ch.<\/p>\n<p><strong>H: MCB v\u00e0 MCCB n\u00ean \u0111\u01b0\u1ee3c thay th\u1ebf bao l\u00e2u m\u1ed9t l\u1ea7n?<\/strong><\/p>\n<p>M\u1ed8T: <strong>C\u00f4ng<\/strong>: Thay th\u1ebf sau m\u1ed7i 10-15 n\u0103m nh\u01b0 m\u1ed9t bi\u1ec7n ph\u00e1p b\u1ea3o tr\u00ec ph\u00f2ng ng\u1eeba, ho\u1eb7c ngay l\u1eadp t\u1ee9c n\u1ebfu ch\u00fang c\u00f3 d\u1ea5u hi\u1ec7u h\u01b0 h\u1ecfng, nh\u1ea3y th\u01b0\u1eddng xuy\u00ean ho\u1eb7c kh\u00f4ng nh\u1ea3y khi th\u1eed nghi\u1ec7m. <strong>MCCBs<\/strong>: V\u1edbi b\u1ea3o tr\u00ec th\u00edch h\u1ee3p, MCCB c\u00f3 th\u1ec3 k\u00e9o d\u00e0i 20-30 n\u0103m. Thay th\u1ebf d\u1ef1a tr\u00ean \u0111\u00e1nh gi\u00e1 t\u00ecnh tr\u1ea1ng, l\u1ecbch s\u1eed c\u1eaft s\u1ef1 c\u1ed1 v\u00e0 khuy\u1ebfn ngh\u1ecb c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t. MCCB \u0111\u00e3 c\u1eaft c\u00e1c s\u1ef1 c\u1ed1 l\u1edbn n\u00ean \u0111\u01b0\u1ee3c ki\u1ec3m tra v\u00e0 c\u00f3 th\u1ec3 thay th\u1ebf ngay c\u1ea3 khi ch\u00fang c\u00f3 v\u1ebb ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng.<\/p>\n<h3>C\u00e2u h\u1ecfi c\u00e0i \u0111\u1eb7t<\/h3>\n<p><strong>H: T\u00f4i c\u00f3 th\u1ec3 c\u00e0i \u0111\u1eb7t MCB ho\u1eb7c MCCB theo b\u1ea5t k\u1ef3 h\u01b0\u1edbng n\u00e0o kh\u00f4ng?<\/strong><\/p>\n<p>M\u1ed8T: <strong>C\u00f4ng<\/strong> th\u01b0\u1eddng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 l\u1eafp theo chi\u1ec1u d\u1ecdc v\u1edbi c\u00e1c \u0111\u1ea7u n\u1ed1i l\u00ean\/xu\u1ed1ng, nh\u01b0ng nhi\u1ec1u lo\u1ea1i c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u1eafp theo chi\u1ec1u ngang m\u00e0 kh\u00f4ng c\u1ea7n gi\u1ea3m \u0111\u1ecbnh m\u1ee9c. <strong>MCCBs<\/strong> th\u01b0\u1eddng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c g\u1eafn theo nhi\u1ec1u h\u01b0\u1edbng kh\u00e1c nhau, nh\u01b0ng \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ecbnh m\u1ee9c d\u00f2ng \u0111i\u1ec7n do thay \u0111\u1ed5i kh\u1ea3 n\u0103ng t\u1ea3n nhi\u1ec7t. Lu\u00f4n tham kh\u1ea3o h\u01b0\u1edbng d\u1eabn c\u00e0i \u0111\u1eb7t c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t v\u00e0 \u00e1p d\u1ee5ng c\u00e1c h\u1ec7 s\u1ed1 gi\u1ea3m \u0111\u1ecbnh m\u1ee9c n\u1ebfu \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh cho c\u00e1c h\u01b0\u1edbng kh\u00f4ng ti\u00eau chu\u1ea9n.<\/p>\n<p><strong>H: T\u00f4i c\u00f3 c\u1ea7n c\u00f4ng c\u1ee5 \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 c\u00e0i \u0111\u1eb7t MCCB kh\u00f4ng?<\/strong><\/p>\n<p>\u0110: C\u00f3. Vi\u1ec7c c\u00e0i \u0111\u1eb7t MCCB y\u00eau c\u1ea7u:<\/p>\n<ul>\n<li>C\u1edd l\u00ea l\u1ef1c (quan tr\u1ecdng \u0111\u1ec3 si\u1ebft ch\u1eb7t \u0111\u1ea7u n\u1ed1i \u0111\u00fang c\u00e1ch)<\/li>\n<li>D\u1ee5ng c\u1ee5 \u00e9p \u0111\u1ea7u c\u00e1p<\/li>\n<li>M\u00e1y ki\u1ec3m tra \u0111i\u1ec7n tr\u1edf c\u00e1ch \u0111i\u1ec7n (megger)<\/li>\n<li>\u0110\u1ed3ng h\u1ed3 v\u1ea1n n\u0103ng \u0111\u1ec3 x\u00e1c minh<\/li>\n<li>Camera ch\u1ee5p \u1ea3nh nhi\u1ec7t (khuy\u1ebfn ngh\u1ecb cho vi\u1ec7c ch\u1ea1y th\u1eed)<\/li>\n<li>C\u00f4ng c\u1ee5 l\u1eadp tr\u00ecnh b\u1ed9 ng\u1eaft m\u1ea1ch (cho c\u00e1c b\u1ed9 \u0111i\u1ec7n t\u1eed)<\/li>\n<\/ul>\n<p>Vi\u1ec7c l\u1eafp \u0111\u1eb7t MCB ch\u1ec9 y\u00eau c\u1ea7u c\u00e1c c\u00f4ng c\u1ee5 c\u01a1 b\u1ea3n c\u1ee7a th\u1ee3 \u0111i\u1ec7n (tua v\u00edt, d\u1ee5ng c\u1ee5 tu\u1ed1t d\u00e2y, \u0111\u1ed3ng h\u1ed3 v\u1ea1n n\u0103ng).<\/p>\n<h3>C\u00e2u h\u1ecfi v\u1ec1 chi ph\u00ed v\u00e0 b\u1ea3o tr\u00ec<\/h3>\n<p><strong>H: T\u1ea1i sao MCCB l\u1ea1i \u0111\u1eaft h\u01a1n MCB r\u1ea5t nhi\u1ec1u?<\/strong><\/p>\n<p>\u0110: MCCB c\u00f3 gi\u00e1 cao h\u01a1n do:<\/p>\n<ul>\n<li>D\u00f2ng \u0111i\u1ec7n v\u00e0 kh\u1ea3 n\u0103ng c\u1eaft cao h\u01a1n \u0111\u00f2i h\u1ecfi v\u1eadt li\u1ec7u m\u1ea1nh m\u1ebd h\u01a1n<\/li>\n<li>C\u01a1 ch\u1ebf ng\u1eaft c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh ch\u00ednh x\u00e1c<\/li>\n<li>Y\u00eau c\u1ea7u ki\u1ec3m tra v\u00e0 ch\u1ee9ng nh\u1eadn m\u1edf r\u1ed9ng<\/li>\n<li>C\u00e1c t\u00ednh n\u0103ng t\u00f9y ch\u1ecdn (l\u1ed7i ch\u1ea1m \u0111\u1ea5t, giao ti\u1ebfp, gi\u00e1m s\u00e1t)<\/li>\n<li>Thi\u1ebft k\u1ebf c\u00f3 th\u1ec3 b\u1ea3o tr\u00ec v\u1edbi c\u00e1c th\u00e0nh ph\u1ea7n c\u00f3 th\u1ec3 thay th\u1ebf<\/li>\n<li>S\u1ed1 l\u01b0\u1ee3ng s\u1ea3n xu\u1ea5t th\u1ea5p h\u01a1n so v\u1edbi MCB s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t<\/li>\n<\/ul>\n<p>S\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 gi\u00e1 ph\u1ea3n \u00e1nh c\u1ea5u tr\u00fac c\u1ea5p c\u00f4ng nghi\u1ec7p v\u00e0 c\u00e1c kh\u1ea3 n\u0103ng n\u00e2ng cao c\u1ea7n thi\u1ebft cho c\u00e1c \u1ee9ng d\u1ee5ng quan tr\u1ecdng.<\/p>\n<p><strong>H: T\u00f4i c\u00f3 th\u1ec3 t\u1ef1 ki\u1ec3m tra MCB v\u00e0 MCCB kh\u00f4ng?<\/strong><\/p>\n<p>M\u1ed8T: <strong>C\u00f4ng<\/strong>: Ng\u01b0\u1eddi d\u00e2n c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n ki\u1ec3m tra ho\u1ea1t \u0111\u1ed9ng th\u1ee7 c\u00f4ng c\u01a1 b\u1ea3n (ng\u1eaft v\u00e0 \u0111\u1eb7t l\u1ea1i). Tuy nhi\u00ean, vi\u1ec7c ki\u1ec3m tra th\u1eddi gian ng\u1eaft v\u00e0 ng\u01b0\u1ee1ng d\u00f2ng \u0111i\u1ec7n th\u00edch h\u1ee3p \u0111\u00f2i h\u1ecfi thi\u1ebft b\u1ecb chuy\u00ean d\u1ee5ng v\u00e0 ph\u1ea3i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1edfi th\u1ee3 \u0111i\u1ec7n c\u00f3 tr\u00ecnh \u0111\u1ed9.<\/p>\n<p><strong>MCCBs<\/strong>: Vi\u1ec7c ki\u1ec3m tra ch\u1ec9 n\u00ean \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1edfi c\u00e1c k\u1ef9 thu\u1eadt vi\u00ean \u0111i\u1ec7n c\u00f3 tr\u00ecnh \u0111\u1ed9 v\u1edbi thi\u1ebft b\u1ecb ki\u1ec3m tra ph\u00f9 h\u1ee3p (b\u1ed9 ki\u1ec3m tra d\u00f2ng s\u01a1 c\u1ea5p, m\u00e1y ki\u1ec3m tra c\u00e1ch \u0111i\u1ec7n). Ki\u1ec3m tra kh\u00f4ng \u0111\u00fang c\u00e1ch c\u00f3 th\u1ec3 l\u00e0m h\u1ecfng b\u1ed9 ng\u1eaft m\u1ea1ch ho\u1eb7c g\u00e2y ra c\u00e1c m\u1ed1i nguy hi\u1ec3m v\u1ec1 an to\u00e0n. Nhi\u1ec1u khu v\u1ef1c ph\u00e1p l\u00fd y\u00eau c\u1ea7u th\u1ee3 \u0111i\u1ec7n \u0111\u01b0\u1ee3c c\u1ea5p ph\u00e9p \u0111\u1ec3 ki\u1ec3m tra v\u00e0 b\u1ea3o tr\u00ec MCCB.<\/p>\n<hr \/>\n<h2>K\u1ebft lu\u1eadn: L\u1ef1a ch\u1ecdn \u0111\u00fang \u0111\u1eafn cho \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n<\/h2>\n<p>L\u1ef1a ch\u1ecdn gi\u1eefa <strong>MCCB v\u00e0 MCB<\/strong> v\u1ec1 c\u01a1 b\u1ea3n ph\u1ee5 thu\u1ed9c v\u00e0o y\u00eau c\u1ea7u \u1ee9ng d\u1ee5ng, \u0111\u1eb7c \u0111i\u1ec3m t\u1ea3i v\u00e0 m\u1ee5c ti\u00eau thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng c\u1ee7a b\u1ea1n. So s\u00e1nh to\u00e0n di\u1ec7n n\u00e0y cho th\u1ea5y r\u1eb1ng c\u00e1c thi\u1ebft b\u1ecb n\u00e0y, m\u1eb7c d\u00f9 ph\u1ee5c v\u1ee5 c\u00f9ng m\u1ed9t ch\u1ee9c n\u0103ng c\u01a1 b\u1ea3n l\u00e0 b\u1ea3o v\u1ec7 m\u1ea1ch, nh\u01b0ng \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a cho c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c nhau r\u00f5 r\u1ec7t.<\/p>\n<p><strong>Ch\u1ecdn MCB<\/strong> cho c\u00e1c \u1ee9ng d\u1ee5ng d\u00e2n d\u1ee5ng v\u00e0 th\u01b0\u01a1ng m\u1ea1i nh\u1eb9, n\u01a1i:<\/p>\n<ul>\n<li>D\u00f2ng \u0111i\u1ec7n m\u1ea1ch v\u1eabn d\u01b0\u1edbi 125A<\/li>\n<li>C\u00e1c \u0111\u1eb7c t\u00ednh b\u1ea3o v\u1ec7 c\u1ed1 \u0111\u1ecbnh ph\u00f9 h\u1ee3p v\u1edbi t\u1ea3i \u1ed5n \u0111\u1ecbnh<\/li>\n<li>K\u00edch th\u01b0\u1edbc nh\u1ecf g\u1ecdn v\u00e0 gi\u00e1 c\u1ea3 kinh t\u1ebf l\u00e0 \u01b0u ti\u00ean<\/li>\n<li>C\u00e0i \u0111\u1eb7t \u0111\u01a1n gi\u1ea3n v\u00e0 b\u1ea3o tr\u00ec t\u1ed1i thi\u1ec3u l\u00e0 mong mu\u1ed1n<\/li>\n<li>D\u00f2ng ng\u1eafn m\u1ea1ch d\u1ef1 ki\u1ebfn kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 15kA<\/li>\n<\/ul>\n<p><strong>Ch\u1ecdn MCCB<\/strong> cho c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p v\u00e0 th\u01b0\u01a1ng m\u1ea1i y\u00eau c\u1ea7u:<\/p>\n<ul>\n<li>C\u00f4ng su\u1ea5t d\u00f2ng \u0111i\u1ec7n t\u1eeb 100A \u0111\u1ebfn 2.500A<\/li>\n<li>B\u1ea3o v\u1ec7 c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ec3 ph\u1ed1i h\u1ee3p v\u00e0 ch\u1ecdn l\u1ecdc<\/li>\n<li>Kh\u1ea3 n\u0103ng c\u1eaft cao (10kA-200kA) g\u1ea7n c\u00e1c ngu\u1ed3n \u0111i\u1ec7n<\/li>\n<li>Gi\u00e1m s\u00e1t, giao ti\u1ebfp v\u00e0 t\u00edch h\u1ee3p l\u01b0\u1edbi \u0111i\u1ec7n th\u00f4ng minh<\/li>\n<li>K\u1ebft c\u1ea5u ch\u1eafc ch\u1eafn cho m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t<\/li>\n<li>Tu\u1ed5i th\u1ecd d\u00e0i v\u1edbi c\u00e1c th\u00e0nh ph\u1ea7n c\u00f3 th\u1ec3 b\u1ea3o tr\u00ec<\/li>\n<\/ul>\n<p><strong>C\u00e1c y\u1ebfu t\u1ed1 th\u00e0nh c\u00f4ng ch\u00ednh:<\/strong><\/p>\n<ol>\n<li><strong>Th\u1ef1c hi\u1ec7n t\u00ednh to\u00e1n t\u1ea3i th\u00edch h\u1ee3p<\/strong> bao g\u1ed3m c\u1ea3 vi\u1ec7c m\u1edf r\u1ed9ng trong t\u01b0\u01a1ng lai<\/li>\n<li><strong>T\u00ednh to\u00e1n d\u00f2ng ng\u1eafn m\u1ea1ch d\u1ef1 ki\u1ebfn<\/strong> t\u1ea1i c\u00e1c \u0111i\u1ec3m l\u1eafp \u0111\u1eb7t<\/li>\n<li><strong>Xem x\u00e9t c\u00e1c y\u00eau c\u1ea7u ph\u1ed1i h\u1ee3p<\/strong> \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady c\u1ee7a h\u1ec7 th\u1ed1ng<\/li>\n<li><strong>X\u00e1c minh c\u00e1c \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng<\/strong> v\u00e0 \u00e1p d\u1ee5ng gi\u1ea3m \u0111\u1ecbnh m\u1ee9c th\u00edch h\u1ee3p<\/li>\n<li><strong>\u0110\u1ea3m b\u1ea3o tu\u00e2n th\u1ee7<\/strong> v\u1edbi c\u00e1c ti\u00eau chu\u1ea9n v\u00e0 quy t\u1eafc hi\u1ec7n h\u00e0nh<\/li>\n<li><strong>Ch\u1ecdn c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f3 uy t\u00edn<\/strong> v\u1edbi th\u00e0nh t\u00edch \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng minh<\/li>\n<li><strong>L\u1eadp k\u1ebf ho\u1ea1ch b\u1ea3o tr\u00ec<\/strong> v\u00e0 ki\u1ec3m tra trong su\u1ed1t th\u1eddi gian s\u1eed d\u1ee5ng<\/li>\n<\/ol>\n<p>B\u1ed1i c\u1ea3nh b\u1ea3o v\u1ec7 \u0111i\u1ec7n ti\u1ebfp t\u1ee5c ph\u00e1t tri\u1ec3n v\u1edbi vi\u1ec7c t\u00edch h\u1ee3p c\u00f4ng ngh\u1ec7 th\u00f4ng minh, nh\u01b0ng c\u00e1c nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n v\u1eabn gi\u1eef nguy\u00ean: <strong>kh\u1edbp thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 v\u1edbi \u1ee9ng d\u1ee5ng, \u01b0u ti\u00ean an to\u00e0n h\u01a1n ti\u1ebft ki\u1ec7m chi ph\u00ed v\u00e0 thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng c\u00f3 t\u00ednh \u0111\u1ebfn nhu c\u1ea7u trong t\u01b0\u01a1ng lai.<\/strong><\/p>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c c\u00e0i \u0111\u1eb7t ph\u1ee9c t\u1ea1p ho\u1eb7c c\u00e1c \u1ee9ng d\u1ee5ng quan tr\u1ecdng, h\u00e3y tham kh\u1ea3o \u00fd ki\u1ebfn c\u1ee7a c\u00e1c k\u1ef9 s\u01b0 \u0111i\u1ec7n c\u00f3 tr\u00ecnh \u0111\u1ed9 \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c nghi\u00ean c\u1ee9u ph\u1ed1i h\u1ee3p chi ti\u1ebft v\u00e0 \u0111\u1ea3m b\u1ea3o l\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 t\u1ed1i \u01b0u. Vi\u1ec7c \u0111\u1ea7u t\u01b0 v\u00e0o thi\u1ebft k\u1ebf ph\u00f9 h\u1ee3p v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n ch\u1ea5t l\u01b0\u1ee3ng mang l\u1ea1i l\u1ee3i \u00edch th\u00f4ng qua vi\u1ec7c t\u0103ng c\u01b0\u1eddng an to\u00e0n, \u0111\u1ed9 tin c\u1eady v\u00e0 gi\u1ea3m chi ph\u00ed v\u00f2ng \u0111\u1eddi.<\/p>\n<p><strong>T\u00e0i nguy\u00ean li\u00ean quan:<\/strong><\/p>\n<ul>\n<li><a href=\"https:\/\/test.viox.com\/vi\/how-to-select-an-mccb-for-a-panel\/\">C\u00e1ch ch\u1ecdn MCCB cho b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n<\/a><\/li>\n<li><a href=\"https:\/\/test.viox.com\/vi\/what-is-a-molded-case-circuit-breaker-mccb\/\">C\u1ea7u dao \u0111i\u1ec7n v\u1ecf \u0111\u00fac (MCCB) l\u00e0 g\u00ec?<\/a><\/li>\n<li><a href=\"https:\/\/test.viox.com\/vi\/what-is-a-miniature-circuit-breaker-mcb\/\">B\u1ed9 ng\u1eaft m\u1ea1ch thu nh\u1ecf (MCB) l\u00e0 g\u00ec<\/a><\/li>\n<li><a href=\"https:\/\/test.viox.com\/vi\/types-of-circuit-breakers\/\">C\u00e1c lo\u1ea1i m\u00e1y c\u1eaft m\u1ea1ch<\/a><\/li>\n<li><a href=\"https:\/\/test.viox.com\/vi\/circuit-breaker-ratings-icu-ics-icw-icm\/\">\u0110\u1ecbnh m\u1ee9c \u00c1pt\u00f4m\u00e1t: ICU, ICS, ICW, ICM<\/a><\/li>\n<li><a href=\"https:\/\/test.viox.com\/vi\/understanding-trip-curves\/\">Hi\u1ec3u v\u1ec1 \u0110\u01b0\u1eddng cong Chuy\u1ebfn \u0111i<\/a><\/li>\n<li><a href=\"https:\/\/test.viox.com\/vi\/electrical-alphabet-soup-mccb-vs-rccb-explained\/\">MCB so v\u1edbi MCCB so v\u1edbi RCCB so v\u1edbi RCBO: So s\u00e1nh \u0111\u1ea7y \u0111\u1ee7<\/a><\/li>\n<\/ul>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Direct Answer: What&#8217;s the Difference Between MCCB and MCB? MCCB (Molded Case Circuit Breaker) and MCB (Miniature Circuit Breaker) differ primarily in capacity and application. MCCBs handle 10-2,500A with adjustable trip settings for industrial use, while MCBs handle 0.5-125A with fixed settings for residential applications. MCCBs offer higher breaking capacity (10-200kA vs 3-15kA), adjustable protection, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":18245,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-18244","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/posts\/18244","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/comments?post=18244"}],"version-history":[{"count":2,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/posts\/18244\/revisions"}],"predecessor-version":[{"id":21504,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/posts\/18244\/revisions\/21504"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/media\/18245"}],"wp:attachment":[{"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/media?parent=18244"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/categories?post=18244"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/tags?post=18244"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}