{"id":21668,"date":"2026-03-17T18:50:32","date_gmt":"2026-03-17T10:50:32","guid":{"rendered":"https:\/\/viox.com\/?p=21668"},"modified":"2026-03-17T18:50:35","modified_gmt":"2026-03-17T10:50:35","slug":"rcb-full-form-residual-current-breaker","status":"publish","type":"post","link":"https:\/\/test.viox.com\/vi\/rcb-full-form-residual-current-breaker\/","title":{"rendered":"RCB trong ng\u00e0nh \u0111i\u1ec7n l\u00e0 g\u00ec: Gi\u1ea3i th\u00edch v\u1ec1 C\u1ea7u dao ch\u1ed1ng d\u00f2ng r\u00f2 (H\u01b0\u1edbng d\u1eabn 2026)"},"content":{"rendered":"<div class=\"product-intro\">\n<p>Khi t\u00ecm ki\u1ebfm <strong>RCB Full Form in Electrical (D\u1ea1ng \u0111\u1ea7y \u0111\u1ee7 c\u1ee7a RCB trong \u0110i\u1ec7n)<\/strong>, b\u1ea1n \u0111ang t\u00ecm ki\u1ebfm m\u1ed9t c\u00e2u tr\u1ea3 l\u1eddi r\u00f5 r\u00e0ng: <strong>RCB l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a Residual Current Breaker (Aptomat d\u00f2ng d\u01b0)<\/strong>. Thi\u1ebft b\u1ecb an to\u00e0n \u0111i\u1ec7n c\u1ee9u sinh n\u00e0y \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 b\u1ea3o v\u1ec7 ch\u1ed1ng \u0111i\u1ec7n gi\u1eadt v\u00e0 h\u1ecfa ho\u1ea1n b\u1eb1ng c\u00e1ch ph\u00e1t hi\u1ec7n d\u00f2ng r\u00f2\u2014d\u00f2ng \u0111i\u1ec7n tho\u00e1t kh\u1ecfi \u0111\u01b0\u1eddng d\u1eabn m\u1ea1ch d\u1ef1 ki\u1ebfn, ch\u1eb3ng h\u1ea1n nh\u01b0 qua c\u01a1 th\u1ec3 ng\u01b0\u1eddi ho\u1eb7c l\u1edbp c\u00e1ch \u0111i\u1ec7n b\u1ecb h\u1ecfng.<\/p>\n<p>Nh\u01b0ng hi\u1ec3u \u0111\u01b0\u1ee3c <strong>RCB Full Form (D\u1ea1ng \u0111\u1ea7y \u0111\u1ee7 c\u1ee7a RCB)<\/strong> ch\u1ec9 l\u00e0 s\u1ef1 kh\u1edfi \u0111\u1ea7u. Trong c\u00e1c l\u1eafp \u0111\u1eb7t \u0111i\u1ec7n th\u1ef1c t\u1ebf, thu\u1eadt ng\u1eef RCB th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng thay th\u1ebf cho RCD (Residual Current Device - Thi\u1ebft b\u1ecb d\u00f2ng d\u01b0) v\u00e0 RCCB (Residual Current Circuit Breaker - Aptomat d\u00f2ng d\u01b0), \u0111i\u1ec1u n\u00e0y g\u00e2y ra s\u1ef1 nh\u1ea7m l\u1eabn cho nhi\u1ec1u th\u1ee3 \u0111i\u1ec7n, k\u1ef9 s\u01b0 v\u00e0 ch\u1ee7 nh\u00e0.<\/p>\n<p>H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n n\u0103m 2026 n\u00e0y kh\u00f4ng ch\u1ec9 gi\u1ea3i th\u00edch <strong>RCB Full Form (D\u1ea1ng \u0111\u1ea7y \u0111\u1ee7 c\u1ee7a RCB)<\/strong> c\u00f3 ngh\u0129a l\u00e0 g\u00ec, m\u00e0 c\u00f2n c\u00e1ch Aptomat d\u00f2ng d\u01b0 ho\u1ea1t \u0111\u1ed9ng, s\u1ef1 kh\u00e1c bi\u1ec7t quan tr\u1ecdng gi\u1eefa RCB, RCCB, RCD v\u00e0 RCBO, khi n\u00e0o n\u00ean s\u1eed d\u1ee5ng t\u1eebng lo\u1ea1i thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 d\u00f2ng d\u01b0 v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf c\u00f3 th\u1ec3 c\u1ee9u s\u1ed1ng ng\u01b0\u1eddi.<\/p>\n<h2>RCB Full Form in Electrical l\u00e0 g\u00ec?<\/h2>\n<p>Trong h\u1ec7 th\u1ed1ng \u0111i\u1ec7n, <strong>RCB Full Form (D\u1ea1ng \u0111\u1ea7y \u0111\u1ee7 c\u1ee7a RCB)<\/strong> vi\u1ebft t\u1eaft c\u1ee7a <strong>Thi\u1ebft b\u1ecb ng\u1eaft m\u1ea1ch d\u00f2ng d\u01b0<\/strong>.<\/p>\n<p>RCB l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 li\u00ean quan \u0111\u1ebfn vi\u1ec7c ph\u00e1t hi\u1ec7n <strong>d\u00f2ng r\u00f2<\/strong> hay <strong>d\u00f2ng d\u01b0<\/strong>. N\u00f3i m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n, n\u00f3 li\u00ean t\u1ee5c theo d\u00f5i s\u1ef1 c\u00e2n b\u1eb1ng gi\u1eefa d\u00f2ng \u0111i\u1ec7n \u0111i ra qua d\u00e2y d\u1eabn tr\u1ef1c ti\u1ebfp v\u00e0 d\u00f2ng \u0111i\u1ec7n tr\u1edf v\u1ec1 qua d\u00e2y d\u1eabn trung t\u00ednh. N\u1ebfu m\u1ed9t ph\u1ea7n d\u00f2ng \u0111i\u1ec7n \u0111\u00f3 r\u00f2 r\u1ec9\u2014ch\u1eb3ng h\u1ea1n nh\u01b0 qua l\u1edbp c\u00e1ch \u0111i\u1ec7n b\u1ecb h\u1ecfng, thi\u1ebft b\u1ecb b\u1ecb l\u1ed7i ho\u1eb7c qua ng\u01b0\u1eddi ch\u1ea1m v\u00e0o c\u00e1c b\u1ed9 ph\u1eadn mang \u0111i\u1ec7n\u2014thi\u1ebft b\u1ecb s\u1ebd ph\u00e1t hi\u1ec7n s\u1ef1 m\u1ea5t c\u00e2n b\u1eb1ng n\u00e0y v\u00e0 ngay l\u1eadp t\u1ee9c ng\u1eaft \u0111\u1ec3 ng\u1eaft m\u1ea1ch.<\/p>\n<figure>\n        <img decoding=\"async\" src=\"https:\/\/img.viox.com\/RCB-Full-Form-Residual-Current-Breaker-device-installed-in-distribution-board.webp\" alt=\"RCB Full Form Residual Current Breaker device installed in distribution board\" style=\"max-width: 100%; display: block; margin: 0 auto;\"><figcaption><em>RCB (Aptomat d\u00f2ng d\u01b0) \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t an to\u00e0n b\u00ean trong t\u1ee7 \u0111i\u1ec7n ph\u00e2n ph\u1ed1i \u0111\u1ec3 b\u1ea3o v\u1ec7 ch\u1ed1ng r\u00f2 r\u1ec9 \u0111\u1ea5t.<\/em><\/figcaption><\/figure>\n<h3>B\u1ea3ng tham kh\u1ea3o nhanh<\/h3>\n<table border=\"1\" style=\"border-collapse: collapse; width: 100%;\">\n<thead>\n<tr>\n<th style=\"padding: 8px; text-align: left;\">H\u1ea1n<\/th>\n<th style=\"padding: 8px; text-align: left;\">\u00dd ngh\u0129a \u0111\u1ea7y \u0111\u1ee7<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 8px;\"><strong>RCB Full Form (D\u1ea1ng \u0111\u1ea7y \u0111\u1ee7 c\u1ee7a RCB)<\/strong><\/td>\n<td style=\"padding: 8px;\">Thi\u1ebft b\u1ecb ng\u1eaft m\u1ea1ch d\u00f2ng d\u01b0<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>M\u1ee5c \u0111\u00edch ch\u00ednh<\/strong><\/td>\n<td style=\"padding: 8px;\">Ph\u00e1t hi\u1ec7n d\u00f2ng d\u01b0 ho\u1eb7c r\u00f2 r\u1ec9 \u0111\u1ea5t v\u00e0 ng\u1eaft m\u1ea1ch<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>Gi\u00e1 tr\u1ecb an to\u00e0n ch\u00ednh<\/strong><\/td>\n<td style=\"padding: 8px;\">Gi\u1ea3m nguy c\u01a1 \u0111i\u1ec7n gi\u1eadt v\u00e0 ng\u0103n ng\u1eeba h\u1ecfa ho\u1ea1n do l\u1ed7i ch\u1ea1m \u0111\u1ea5t<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>Th\u01b0\u1eddng b\u1ecb nh\u1ea7m l\u1eabn v\u1edbi<\/strong><\/td>\n<td style=\"padding: 8px;\"><a href=\"https:\/\/test.viox.com\/vi\/rcd-vs-mcb-understanding-the-key-differences-in-electrical-protection-devices\/\">TI\u00caN<\/a>, <a href=\"https:\/\/test.viox.com\/vi\/rccb-full-form-understanding-residual-current-circuit-breakers\/\">RCCB<\/a>, <a href=\"https:\/\/test.viox.com\/vi\/rcbo-vs-rccb-mcb-comparison-space-cost-selectivity\/\">RCBO<\/a>, V\u00e0 <a href=\"https:\/\/test.viox.com\/vi\/mcb-full-form-in-electrical\/\">MCB<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>V\u00ec v\u1eady, n\u1ebfu m\u1ee5c ti\u00eau duy nh\u1ea5t c\u1ee7a b\u1ea1n l\u00e0 tr\u1ea3 l\u1eddi <strong>RCB Full Form l\u00e0 g\u00ec<\/strong>, c\u00e2u tr\u1ea3 l\u1eddi r\u1ea5t \u0111\u01a1n gi\u1ea3n: <strong>Thi\u1ebft b\u1ecb ng\u1eaft m\u1ea1ch d\u00f2ng d\u01b0<\/strong>. Nh\u01b0ng n\u1ebfu b\u1ea1n mu\u1ed1n th\u1ef1c s\u1ef1 hi\u1ec3u v\u1ec1 an to\u00e0n \u0111i\u1ec7n v\u00e0 \u0111\u01b0a ra c\u00e1c quy\u1ebft \u0111\u1ecbnh s\u00e1ng su\u1ed1t v\u1ec1 b\u1ea3o v\u1ec7 m\u1ea1ch, b\u1ea1n c\u1ea7n n\u1eafm b\u1eaft c\u00e1ch thu\u1eadt ng\u1eef n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong th\u1ef1c t\u1ebf v\u00e0 n\u00f3 kh\u00e1c v\u1edbi c\u00e1c thi\u1ebft b\u1ecb li\u00ean quan nh\u01b0 th\u1ebf n\u00e0o.<\/p>\n<h2>RCB l\u00e0m g\u00ec?<\/h2>\n<p>RCB (Aptomat d\u00f2ng d\u01b0) \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 ng\u1eaft m\u1ea1ch khi ph\u00e1t hi\u1ec7n s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa d\u00f2ng \u0111i\u1ec7n \u0111i v\u00e0 d\u00f2ng \u0111i\u1ec7n v\u1ec1. Trong \u0111i\u1ec1u ki\u1ec7n ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng, kh\u1ecfe m\u1ea1nh, d\u00f2ng \u0111i\u1ec7n \u0111i ra qua d\u00e2y d\u1eabn tr\u1ef1c ti\u1ebfp ph\u1ea3i kh\u1edbp ch\u00ednh x\u00e1c v\u1edbi d\u00f2ng \u0111i\u1ec7n tr\u1edf v\u1ec1 qua d\u00e2y d\u1eabn trung t\u00ednh.<\/p>\n<p>Khi c\u00f3 s\u1ef1 m\u1ea5t c\u00e2n b\u1eb1ng\u2014ngh\u0129a l\u00e0 m\u1ed9t s\u1ed1 d\u00f2ng \u0111i\u1ec7n \u0111ang \u0111i theo m\u1ed9t \u0111\u01b0\u1eddng d\u1eabn kh\u00f4ng mong mu\u1ed1n xu\u1ed1ng \u0111\u1ea5t\u2014RCB hi\u1ec3u \u0111\u00e2y l\u00e0 t\u00ecnh tr\u1ea1ng r\u00f2 r\u1ec9 ho\u1eb7c l\u1ed7i nguy hi\u1ec3m v\u00e0 ng\u1eaft trong v\u00f2ng mili gi\u00e2y, th\u01b0\u1eddng l\u00e0 25-40 mili gi\u00e2y. Ph\u1ea3n \u1ee9ng nhanh ch\u00f3ng n\u00e0y r\u1ea5t quan tr\u1ecdng v\u00ec n\u00f3 x\u1ea3y ra tr\u01b0\u1edbc khi \u0111i\u1ec7n gi\u1eadt c\u00f3 th\u1ec3 g\u00e2y ra rung t\u00e2m th\u1ea5t, nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn nh\u1ea5t g\u00e2y t\u1eed vong do \u0111i\u1ec7n gi\u1eadt.<\/p>\n<p>\u0110\u00e2y l\u00e0 l\u00fd do t\u1ea1i sao c\u00e1c thi\u1ebft b\u1ecb lo\u1ea1i RCB r\u1ea5t c\u1ea7n thi\u1ebft cho:<\/p>\n<ul>\n<li><strong>B\u1ea3o v\u1ec7 ch\u1ed1ng \u0111i\u1ec7n gi\u1eadt<\/strong> \u2013 Ph\u00e1t hi\u1ec7n d\u00f2ng \u0111i\u1ec7n ch\u1ea1y qua c\u01a1 th\u1ec3 ng\u01b0\u1eddi xu\u1ed1ng \u0111\u1ea5t<\/li>\n<li><strong>B\u1ea3o v\u1ec7 ch\u1ed1ng r\u00f2 r\u1ec9 \u0111\u1ea5t<\/strong> \u2013 X\u00e1c \u0111\u1ecbnh s\u1ef1 c\u1ed1 c\u00e1ch \u0111i\u1ec7n ho\u1eb7c l\u1ed7i ch\u1ea1m \u0111\u1ea5t tr\u01b0\u1edbc khi ch\u00fang g\u00e2y ra h\u1ecfa ho\u1ea1n<\/li>\n<li><strong>Gi\u1ea3m nguy c\u01a1 h\u1ecfa ho\u1ea1n<\/strong> \u2013 Ng\u0103n ng\u1eeba h\u1ecfa ho\u1ea1n do d\u00f2ng r\u00f2 dai d\u1eb3ng t\u1ea1o ra nhi\u1ec7t<\/li>\n<li><strong>T\u0103ng c\u01b0\u1eddng an to\u00e0n trong m\u00f4i tr\u01b0\u1eddng \u1ea9m \u01b0\u1edbt<\/strong> \u2013 B\u1ea3o v\u1ec7 quan tr\u1ecdng trong ph\u00f2ng t\u1eafm, nh\u00e0 b\u1ebfp, khu v\u1ef1c ngo\u00e0i tr\u1eddi v\u00e0 c\u00e1c \u0111\u1ecba \u0111i\u1ec3m d\u1ec5 b\u1ecb \u1ea9m \u01b0\u1edbt kh\u00e1c<\/li>\n<li><strong>Thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7<\/strong> \u2013 B\u1ea3o v\u1ec7 c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed nh\u1ea1y c\u1ea3m kh\u1ecfi h\u01b0 h\u1ecfng do l\u1ed7i ch\u1ea1m \u0111\u1ea5t<\/li>\n<\/ul>\n<p>S\u1ef1 kh\u00e1c bi\u1ec7t c\u01a1 b\u1ea3n \u0111\u00f3 gi\u1ea3i th\u00edch t\u1ea1i sao RCB kh\u00f4ng gi\u1ed1ng nh\u01b0 m\u1ed9t thi\u1ebft b\u1ecb ch\u1ec9 b\u1ea3o v\u1ec7 qu\u00e1 d\u00f2ng nh\u01b0 <a href=\"https:\/\/test.viox.com\/vi\/what-is-a-miniature-circuit-breaker-mcb\/\">MCB (M\u00e1y c\u1eaft m\u1ea1ch thu nh\u1ecf)<\/a>. Trong khi MCB b\u1ea3o v\u1ec7 ch\u1ed1ng qu\u00e1 t\u1ea3i v\u00e0 ng\u1eafn m\u1ea1ch, ch\u00fang kh\u00f4ng th\u1ec3 ph\u00e1t hi\u1ec7n c\u00e1c d\u00f2ng r\u00f2 nh\u1ecf g\u00e2y ra r\u1ee7i ro \u0111i\u1ec7n gi\u1eadt.<\/p>\n<h2>RCB ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o? Nguy\u00ean t\u1eafc ho\u1ea1t \u0111\u1ed9ng<\/h2>\n<p>\u0110\u1ec3 th\u1ef1c s\u1ef1 hi\u1ec3u \u0111\u01b0\u1ee3c <strong>RCB Full Form (D\u1ea1ng \u0111\u1ea7y \u0111\u1ee7 c\u1ee7a RCB)<\/strong> v\u00e0 t\u1ea7m quan tr\u1ecdng c\u1ee7a n\u00f3, b\u1ea1n c\u1ea7n n\u1eafm b\u1eaft nguy\u00ean t\u1eafc ho\u1ea1t \u0111\u1ed9ng c\u01a1 b\u1ea3n \u0111\u1eb1ng sau vi\u1ec7c ph\u00e1t hi\u1ec7n d\u00f2ng d\u01b0.<\/p>\n<figure>\n        <img decoding=\"async\" src=\"https:\/\/img.viox.com\/How-RCB-Residual-Current-Breaker-works-diagram-showing-current-balance-detection.webp\" alt=\"How RCB Residual Current Breaker works diagram showing current balance detection\" style=\"max-width: 100%; display: block; margin: 0 auto;\"><figcaption><em>S\u01a1 \u0111\u1ed3 minh h\u1ecda nguy\u00ean t\u1eafc ho\u1ea1t \u0111\u1ed9ng c\u1ee7a RCB v\u00e0 c\u00e1ch m\u00e1y bi\u1ebfn \u00e1p h\u00ecnh xuy\u1ebfn c\u1ee7a n\u00f3 ph\u00e1t hi\u1ec7n s\u1ef1 c\u00e2n b\u1eb1ng d\u00f2ng \u0111i\u1ec7n v\u00e0 r\u00f2 r\u1ec9.<\/em><\/figcaption><\/figure>\n<p>RCB s\u1eed d\u1ee5ng m\u1ed9t m\u00e1y bi\u1ebfn d\u00f2ng vi sai (c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 m\u00e1y bi\u1ebfn \u00e1p h\u00ecnh xuy\u1ebfn ho\u1eb7c m\u00e1y bi\u1ebfn \u00e1p c\u00e2n b\u1eb1ng l\u00f5i) bao quanh c\u1ea3 d\u00e2y d\u1eabn tr\u1ef1c ti\u1ebfp v\u00e0 d\u00e2y trung t\u00ednh. Trong m\u1ed9t m\u1ea1ch kh\u1ecfe m\u1ea1nh, c\u00e1c t\u1eeb tr\u01b0\u1eddng \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi d\u00f2ng \u0111i\u1ec7n \u0111i v\u00e0 v\u1ec1 tri\u1ec7t ti\u00eau l\u1eabn nhau m\u1ed9t c\u00e1ch ho\u00e0n h\u1ea3o, d\u1eabn \u0111\u1ebfn t\u1eeb th\u00f4ng r\u00f2ng b\u1eb1ng kh\u00f4ng trong l\u00f5i m\u00e1y bi\u1ebfn \u00e1p.<\/p>\n<p>Tuy nhi\u00ean, khi x\u1ea3y ra r\u00f2 r\u1ec9\u2014cho d\u00f9 do l\u1edbp c\u00e1ch \u0111i\u1ec7n b\u1ecb h\u1ecfng, h\u01a1i \u1ea9m x\u00e2m nh\u1eadp ho\u1eb7c ng\u01b0\u1eddi ch\u1ea1m v\u00e0o c\u00e1c b\u1ed9 ph\u1eadn mang \u0111i\u1ec7n\u2014m\u1ed9t s\u1ed1 d\u00f2ng \u0111i\u1ec7n tr\u1edf v\u1ec1 ngu\u1ed3n th\u00f4ng qua m\u1ed9t \u0111\u01b0\u1eddng d\u1eabn thay th\u1ebf (th\u01b0\u1eddng l\u00e0 qua \u0111\u1ea5t b\u1ea3o v\u1ec7 ho\u1eb7c \u0111\u1ea5t). \u0110i\u1ec1u n\u00e0y t\u1ea1o ra s\u1ef1 m\u1ea5t c\u00e2n b\u1eb1ng trong c\u00e1c t\u1eeb tr\u01b0\u1eddng, t\u1ea1o ra \u0111i\u1ec7n \u00e1p trong cu\u1ed9n th\u1ee9 c\u1ea5p c\u1ee7a m\u00e1y bi\u1ebfn \u00e1p. Khi \u0111i\u1ec7n \u00e1p n\u00e0y v\u01b0\u1ee3t qu\u00e1 m\u1ed9t ng\u01b0\u1ee1ng x\u00e1c \u0111\u1ecbnh tr\u01b0\u1edbc (t\u01b0\u01a1ng \u1ee9ng v\u1edbi d\u00f2ng \u0111i\u1ec7n ho\u1ea1t \u0111\u1ed9ng d\u01b0 \u0111\u1ecbnh m\u1ee9c c\u1ee7a thi\u1ebft b\u1ecb, th\u01b0\u1eddng l\u00e0 10mA, 30mA, 100mA ho\u1eb7c 300mA), n\u00f3 s\u1ebd k\u00edch ho\u1ea1t m\u1ed9t c\u01a1 ch\u1ebf r\u01a1le \u0111\u1ec3 \u0111\u00f3ng c\u00e1c ti\u1ebfp \u0111i\u1ec3m c\u1ee7a b\u1ed9 ng\u1eaft m\u1ea1ch m\u1ed9t c\u00e1ch c\u01a1 h\u1ecdc.<\/p>\n<h3>Logic ho\u1ea1t \u0111\u1ed9ng c\u01a1 b\u1ea3n<\/h3>\n<table border=\"1\" style=\"border-collapse: collapse; width: 100%;\">\n<thead>\n<tr>\n<th style=\"padding: 8px; text-align: left;\">T\u00ecnh tr\u1ea1ng m\u1ea1ch<\/th>\n<th style=\"padding: 8px; text-align: left;\">RCB ph\u00e1t hi\u1ec7n nh\u1eefng g\u00ec<\/th>\n<th style=\"padding: 8px; text-align: left;\">K\u1ebft qu\u1ea3 \u0111i\u1ec3n h\u00ecnh<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 8px;\"><strong>Ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng<\/strong><\/td>\n<td style=\"padding: 8px;\">D\u00f2ng \u0111i\u1ec7n \u0111i b\u1eb1ng ch\u00ednh x\u00e1c d\u00f2ng \u0111i\u1ec7n v\u1ec1<\/td>\n<td style=\"padding: 8px;\">Kh\u00f4ng ng\u1eaft \u2013 m\u1ea1ch v\u1eabn \u0111\u01b0\u1ee3c c\u1ea5p \u0111i\u1ec7n<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>L\u1ed7i r\u00f2 r\u1ec9 \u0111\u1ea5t<\/strong><\/td>\n<td style=\"padding: 8px;\">D\u00f2ng \u0111i\u1ec7n \u0111i v\u01b0\u1ee3t qu\u00e1 d\u00f2ng \u0111i\u1ec7n v\u1ec1<\/td>\n<td style=\"padding: 8px;\">Ng\u1eaft n\u1ebfu r\u00f2 r\u1ec9 v\u01b0\u1ee3t qu\u00e1 \u0111\u1ed9 nh\u1ea1y c\u1ee7a thi\u1ebft b\u1ecb (v\u00ed d\u1ee5: 30mA)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>Ng\u01b0\u1eddi ti\u1ebfp x\u00fac v\u1edbi thi\u1ebft b\u1ecb b\u1ecb l\u1ed7i<\/strong><\/td>\n<td style=\"padding: 8px;\">M\u1ed9t ph\u1ea7n d\u00f2ng \u0111i\u1ec7n ch\u1ea1y qua c\u01a1 th\u1ec3 ng\u01b0\u1eddi xu\u1ed1ng \u0111\u1ea5t<\/td>\n<td style=\"padding: 8px;\">Ng\u1eaft ngay l\u1eadp t\u1ee9c trong v\u00f2ng 25-40ms, ng\u0103n ng\u1eeba \u0111i\u1ec7n gi\u1eadt g\u00e2y t\u1eed vong<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>\u0110\u00e1nh th\u1ee7ng c\u00e1ch \u0111i\u1ec7n<\/strong><\/td>\n<td style=\"padding: 8px;\">R\u00f2 r\u1ec9 d\u00f2ng \u0111i\u1ec7n d\u1ea7n d\u1ea7n ho\u1eb7c \u0111\u1ed9t ng\u1ed9t xu\u1ed1ng \u0111\u1ea5t<\/td>\n<td style=\"padding: 8px;\">Ng\u1eaft khi r\u00f2 r\u1ec9 t\u00edch l\u0169y \u0111\u1ea1t \u0111\u1ebfn ng\u01b0\u1ee1ng<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Nguy\u00ean t\u1eafc n\u00e0y l\u00e0 l\u00fd do t\u1ea1i sao b\u1ea3o v\u1ec7 d\u00f2ng d\u01b0 l\u1ea1i r\u1ea5t quan tr\u1ecdng trong c\u00e1c m\u1ea1ch m\u00e0 r\u1ee7i ro ti\u1ebfp x\u00fac v\u1edbi con ng\u01b0\u1eddi l\u00e0 c\u00f3 \u00fd ngh\u0129a v\u00e0 t\u1ea1i sao n\u00f3 \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh b\u1edfi c\u00e1c quy t\u1eafc \u0111i\u1ec7n nh\u01b0 <a href=\"https:\/\/test.viox.com\/vi\/nec-vs-iec-terminology-correspondence\/\">NEC (Quy chu\u1ea9n \u0110i\u1ec7n Qu\u1ed1c gia)<\/a> v\u00e0 c\u00e1c ti\u00eau chu\u1ea9n IEC cho c\u00e1c \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3.<\/p>\n<h2>Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt RCB b\u1ea1n n\u00ean bi\u1ebft<\/h2>\n<p>Hi\u1ec3u bi\u1ebft v\u1ec1 <strong>RCB Full Form (D\u1ea1ng \u0111\u1ea7y \u0111\u1ee7 c\u1ee7a RCB)<\/strong> c\u0169ng c\u00f3 ngh\u0129a l\u00e0 bi\u1ebft c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ch\u00ednh x\u00e1c \u0111\u1ecbnh hi\u1ec7u su\u1ea5t c\u1ee7a thi\u1ebft b\u1ecb:<\/p>\n<table border=\"1\" style=\"border-collapse: collapse; width: 100%;\">\n<thead>\n<tr>\n<th style=\"padding: 8px; text-align: left;\">Tham s\u1ed1<\/th>\n<th style=\"padding: 8px; text-align: left;\">\u0110i\u1ec3n H\u00ecnh Gi\u00e1 Tr\u1ecb<\/th>\n<th style=\"padding: 8px; text-align: left;\">M\u1ee5c \u0111\u00edch<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 8px;\"><strong>D\u00f2ng \u0111i\u1ec7n d\u01b0 \u0111\u1ecbnh m\u1ee9c (I\u0394n)<\/strong><\/td>\n<td style=\"padding: 8px;\">10mA, 30mA, 100mA, 300mA, 500mA<\/td>\n<td style=\"padding: 8px;\">Ng\u01b0\u1ee1ng \u0111\u1ed9 nh\u1ea1y ng\u1eaft \u2013 gi\u00e1 tr\u1ecb th\u1ea5p h\u01a1n cung c\u1ea5p kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 ch\u1ed1ng \u0111i\u1ec7n gi\u1eadt t\u1ed1t h\u01a1n<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>Th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng<\/strong><\/td>\n<td style=\"padding: 8px;\">25-40 mili gi\u00e2y (\u1edf I\u0394n \u0111\u1ecbnh m\u1ee9c)<\/td>\n<td style=\"padding: 8px;\">T\u1ed1c \u0111\u1ed9 ng\u1eaft k\u1ebft n\u1ed1i \u2013 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 ng\u0103n ng\u1eeba \u0111i\u1ec7n gi\u1eadt g\u00e2y t\u1eed vong<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>\u0110i\u1ec7n \u00e1p \u0111\u1ecbnh m\u1ee9c (Ue)<\/strong><\/td>\n<td style=\"padding: 8px;\">230V AC (m\u1ed9t pha), 400V AC (ba pha)<\/td>\n<td style=\"padding: 8px;\">\u0110i\u1ec7n \u00e1p ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c t\u1ed1i \u0111a<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>D\u00f2ng \u0111i\u1ec7n \u0111\u1ecbnh m\u1ee9c (In)<\/strong><\/td>\n<td style=\"padding: 8px;\">16A, 25A, 32A, 40A, 63A, 80A, 100A, 125A<\/td>\n<td style=\"padding: 8px;\">D\u00f2ng \u0111i\u1ec7n t\u1ea3i t\u1ed1i \u0111a m\u00e0 thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 mang li\u00ean t\u1ee5c<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>S\u1ed1 c\u1ef1c<\/strong><\/td>\n<td style=\"padding: 8px;\">2 c\u1ef1c (1P+N), 4 c\u1ef1c (3P+N)<\/td>\n<td style=\"padding: 8px;\">C\u1ea5u h\u00ecnh m\u1ea1ch \u2013 m\u1ed9t pha ho\u1eb7c ba pha<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>Lo\u1ea1i<\/strong><\/td>\n<td style=\"padding: 8px;\">Lo\u1ea1i AC, Lo\u1ea1i A, Lo\u1ea1i B, Lo\u1ea1i F<\/td>\n<td style=\"padding: 8px;\">\u0110\u1ed9 nh\u1ea1y d\u1ea1ng s\u00f3ng \u2013 x\u00e1c \u0111\u1ecbnh lo\u1ea1i d\u00f2ng \u0111i\u1ec7n r\u00f2 n\u00e0o c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>Kh\u1ea3 n\u0103ng ph\u00e1 v\u1ee1<\/strong><\/td>\n<td style=\"padding: 8px;\">6kA, 10kA (\u0111i\u1ec3n h\u00ecnh cho RCCB)<\/td>\n<td style=\"padding: 8px;\">Kh\u1ea3 n\u0103ng ng\u1eaft d\u00f2ng \u0111i\u1ec7n s\u1ef1 c\u1ed1 m\u1ed9t c\u00e1ch an to\u00e0n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u0110\u1ec3 \u0111\u01b0\u1ee3c h\u01b0\u1edbng d\u1eabn chi ti\u1ebft v\u1ec1 c\u00e1ch ch\u1ecdn \u0111\u1ed9 nh\u1ea1y ph\u00f9 h\u1ee3p, h\u00e3y xem b\u00e0i vi\u1ebft c\u1ee7a ch\u00fang t\u00f4i v\u1ec1 <a href=\"https:\/\/test.viox.com\/vi\/how-to-choose-the-right-rccb-sensitivity\/\">c\u00e1ch ch\u1ecdn \u0111\u1ed9 nh\u1ea1y RCCB ph\u00f9 h\u1ee3p<\/a>.<\/p>\n<h2>RCB c\u00f3 gi\u1ed1ng v\u1edbi RCCB ho\u1eb7c RCD kh\u00f4ng? L\u00e0m r\u00f5 s\u1ef1 nh\u1ea7m l\u1eabn<\/h2>\n<p>\u0110\u00e2y l\u00e0 ph\u1ea7n m\u00e0 nhi\u1ec1u trang \u0111\u1ed1i th\u1ee7 c\u1ea1nh tranh kh\u00f4ng gi\u1ea3i th\u00edch \u0111\u1ea7y \u0111\u1ee7, nh\u01b0ng n\u00f3 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 hi\u1ec3u <strong>RCB Full Form (D\u1ea1ng \u0111\u1ea7y \u0111\u1ee7 c\u1ee7a RCB)<\/strong> trong b\u1ed1i c\u1ea3nh.<\/p>\n<figure>\n        <img decoding=\"async\" src=\"https:\/\/img.viox.com\/Difference-between-RCB-RCCB-RCD-and-RCBO-circuit-breakers-comparison.webp\" alt=\"Difference between RCB RCCB RCD and RCBO circuit breakers comparison\" style=\"max-width: 100%; display: block; margin: 0 auto;\"><figcaption><em>Bi\u1ec3u \u0111\u1ed3 so s\u00e1nh tr\u1ef1c quan ph\u00e2n t\u00edch s\u1ef1 kh\u00e1c bi\u1ec7t v\u00e0 c\u00e1c t\u00ednh n\u0103ng gi\u1eefa c\u00e1c b\u1ed9 ng\u1eaft m\u1ea1ch RCB, RCCB, RCD v\u00e0 RCBO.<\/em><\/figcaption><\/figure>\n<h3>RCB l\u00e0 m\u1ed9t thu\u1eadt ng\u1eef r\u1ed9ng ho\u1eb7c \u0111\u01a1n gi\u1ea3n h\u00f3a<\/h3>\n<p>\u1ede m\u1ed9t s\u1ed1 th\u1ecb tr\u01b0\u1eddng v\u00e0 c\u00e1c cu\u1ed9c tr\u00f2 chuy\u1ec7n h\u00e0ng ng\u00e0y, <strong>RCB<\/strong> \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 m\u1ed9t thu\u1eadt ng\u1eef r\u1ed9ng ho\u1eb7c \u0111\u01a1n gi\u1ea3n h\u00f3a cho b\u1ea5t k\u1ef3 b\u1ed9 ng\u1eaft m\u1ea1ch n\u00e0o ph\u1ea3n \u1ee9ng v\u1edbi d\u00f2ng \u0111i\u1ec7n d\u01b0. N\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng kh\u00f4ng ch\u00ednh th\u1ee9c b\u1edfi c\u00e1c th\u1ee3 \u0111i\u1ec7n v\u00e0 \u1edf c\u00e1c khu v\u1ef1c m\u00e0 thu\u1eadt ng\u1eef ch\u00ednh x\u00e1c kh\u00f4ng \u0111\u01b0\u1ee3c th\u1ef1c thi nghi\u00eam ng\u1eb7t. Tuy nhi\u00ean, vi\u1ec7c thi\u1ebfu ch\u00ednh x\u00e1c n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn nh\u1ea7m l\u1eabn khi ch\u1ec9 \u0111\u1ecbnh thi\u1ebft b\u1ecb ho\u1eb7c gi\u1ea3i th\u00edch t\u00e0i li\u1ec7u k\u1ef9 thu\u1eadt.<\/p>\n<h3>RCD l\u00e0 thu\u1eadt ng\u1eef lo\u1ea1i r\u1ed9ng h\u01a1n<\/h3>\n<p><strong>TI\u00caN<\/strong> th\u01b0\u1eddng c\u00f3 ngh\u0129a l\u00e0 <strong>C\u00f2n L\u1ea1i Thi\u1ebft B\u1ecb Hi\u1ec7n T\u1ea1i<\/strong>. \u0110\u00e2y l\u00e0 thu\u1eadt ng\u1eef chung \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c ti\u00eau chu\u1ea9n IEC v\u00e0 nhi\u1ec1u th\u1ecb tr\u01b0\u1eddng qu\u1ed1c t\u1ebf cho to\u00e0n b\u1ed9 d\u00f2ng thi\u1ebft b\u1ecb cung c\u1ea5p b\u1ea3o v\u1ec7 ch\u1ed1ng l\u1ea1i d\u00f2ng \u0111i\u1ec7n d\u01b0. M\u1ed9t RCD c\u00f3 th\u1ec3 \u0111\u1ec1 c\u1eadp \u0111\u1ebfn:<\/p>\n<ul>\n<li>Thi\u1ebft b\u1ecb ng\u1eaft m\u1ea1ch d\u00f2ng \u0111i\u1ec7n d\u01b0 (RCCB)<\/li>\n<li>B\u1ed9 ng\u1eaft m\u1ea1ch d\u00f2ng d\u01b0 c\u00f3 b\u1ea3o v\u1ec7 qu\u00e1 d\u00f2ng (RCBO)<\/li>\n<li>Thi\u1ebft b\u1ecb gi\u00e1m s\u00e1t d\u00f2ng d\u01b0 (RCM)<\/li>\n<li>RCD di \u0111\u1ed9ng (RCD \u1ed5 c\u1eafm)<\/li>\n<\/ul>\n<p>\u0110\u1ec3 so s\u00e1nh chi ti\u1ebft, h\u00e3y xem h\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n c\u1ee7a ch\u00fang t\u00f4i v\u1ec1 <a href=\"https:\/\/test.viox.com\/vi\/rcd-vs-mcb-understanding-the-key-differences-in-electrical-protection-devices\/\">S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa RCD v\u00e0 MCB<\/a>.<\/p>\n<h3>RCCB l\u00e0 t\u00ean thi\u1ebft b\u1ecb c\u1ee5 th\u1ec3 h\u01a1n<\/h3>\n<p><strong>RCCB<\/strong> vi\u1ebft t\u1eaft c\u1ee7a <strong>B\u1ed9 ng\u1eaft m\u1ea1ch d\u00f2ng d\u01b0<\/strong>. Trong h\u1ea7u h\u1ebft c\u00e1c danh m\u1ee5c s\u1ea3n ph\u1ea9m hi\u1ec7n \u0111\u1ea1i, ti\u00eau chu\u1ea9n k\u1ef9 thu\u1eadt (nh\u01b0 IEC 61008) v\u00e0 c\u00e1c cu\u1ed9c th\u1ea3o lu\u1eadn \u0111i\u1ec7n chuy\u00ean nghi\u1ec7p, \u0111\u00e2y l\u00e0 t\u00ean thi\u1ebft b\u1ecb ch\u00ednh x\u00e1c cho m\u1ed9t b\u1ed9 ng\u1eaft m\u1ea1ch:<\/p>\n<ul>\n<li>Ng\u1eaft khi c\u00f3 d\u00f2ng \u0111i\u1ec7n d\u01b0 (r\u00f2 r\u1ec9 \u0111\u1ea5t)<\/li>\n<li>KH\u00d4NG cung c\u1ea5p b\u1ea3o v\u1ec7 qu\u00e1 d\u00f2ng (kh\u00f4ng c\u00f3 ch\u1ee9c n\u0103ng MCB t\u00edch h\u1ee3p)<\/li>\n<li>Y\u00eau c\u1ea7u MCB ho\u1eb7c c\u1ea7u ch\u00ec ri\u00eang bi\u1ec7t \u0111\u1ec3 b\u1ea3o v\u1ec7 qu\u00e1 t\u1ea3i v\u00e0 ng\u1eafn m\u1ea1ch<\/li>\n<\/ul>\n<p>T\u00ecm hi\u1ec3u th\u00eam trong <a href=\"https:\/\/test.viox.com\/vi\/rccb-full-form-understanding-residual-current-circuit-breakers\/\">H\u01b0\u1edbng d\u1eabn \u0111\u1ea7y \u0111\u1ee7 v\u1ec1 RCCB<\/a>.<\/p>\n<h3>T\u1ea1i sao thu\u1eadt ng\u1eef n\u00e0y l\u1ea1i quan tr\u1ecdng \u0111\u1ed1i v\u1edbi SEO v\u00e0 ng\u01b0\u1eddi mua thi\u1ebft b\u1ecb<\/h3>\n<p>Nhi\u1ec1u ng\u01b0\u1eddi d\u00f9ng t\u00ecm ki\u1ebfm <strong>RCB Full Form (D\u1ea1ng \u0111\u1ea7y \u0111\u1ee7 c\u1ee7a RCB)<\/strong>, nh\u01b0ng nh\u1eefng g\u00ec h\u1ecd th\u1ef1c s\u1ef1 c\u1ea7n hi\u1ec3u l\u00e0 m\u1ed1i quan h\u1ec7 v\u00e0 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa c\u00e1c thu\u1eadt ng\u1eef li\u00ean quan n\u00e0y:<\/p>\n<ul>\n<li><strong>RCB<\/strong> \u2013 Thu\u1eadt ng\u1eef kh\u00f4ng ch\u00ednh th\u1ee9c ho\u1eb7c \u0111\u01a1n gi\u1ea3n h\u00f3a<\/li>\n<li><strong>TI\u00caN<\/strong> \u2013 Danh m\u1ee5c r\u1ed9ng bao g\u1ed3m t\u1ea5t c\u1ea3 c\u00e1c thi\u1ebft b\u1ecb d\u00f2ng d\u01b0<\/li>\n<li><strong>RCCB<\/strong> \u2013 Ch\u1ec9 \u0111\u1ecbnh s\u1ea3n ph\u1ea9m c\u1ee5 th\u1ec3 ch\u1ec9 \u0111\u1ec3 b\u1ea3o v\u1ec7 d\u00f2ng d\u01b0<\/li>\n<li><strong>RCBO<\/strong> \u2013 K\u1ebft h\u1ee3p b\u1ea3o v\u1ec7 d\u00f2ng d\u01b0 V\u00c0 qu\u00e1 d\u00f2ng trong m\u1ed9t thi\u1ebft b\u1ecb<\/li>\n<\/ul>\n<p>Hi\u1ec3u nh\u1eefng \u0111i\u1ec3m kh\u00e1c bi\u1ec7t n\u00e0y l\u00e0 r\u1ea5t quan tr\u1ecdng khi:<\/p>\n<ul>\n<li>\u0110\u1ecdc b\u1ea3n v\u1ebd v\u00e0 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt \u0111i\u1ec7n<\/li>\n<li>\u0110\u1eb7t h\u00e0ng thi\u1ebft b\u1ecb t\u1eeb nh\u00e0 cung c\u1ea5p<\/li>\n<li>\u0110\u1ea3m b\u1ea3o tu\u00e2n th\u1ee7 quy t\u1eafc<\/li>\n<li>Kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 ph\u1ed1i h\u1ee3p b\u1ea3o v\u1ec7<\/li>\n<li>Giao ti\u1ebfp v\u1edbi c\u00e1c \u0111\u1ed1i t\u00e1c qu\u1ed1c t\u1ebf<\/li>\n<\/ul>\n<h3>B\u1ea3ng so s\u00e1nh to\u00e0n di\u1ec7n: RCB so v\u1edbi RCD so v\u1edbi RCCB so v\u1edbi RCBO<\/h3>\n<table border=\"1\" style=\"border-collapse: collapse; width: 100%;\">\n<thead>\n<tr>\n<th style=\"padding: 8px; text-align: left;\">H\u1ea1n<\/th>\n<th style=\"padding: 8px; text-align: left;\">H\u00ecnh th\u1ee9c \u0111\u1ea7y \u0111\u1ee7<\/th>\n<th style=\"padding: 8px; text-align: left;\">C\u00e1ch s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn<\/th>\n<th style=\"padding: 8px; text-align: left;\">B\u1ea3o V\u1ec7 Qu\u00e1 D\u00f2ng<\/th>\n<th style=\"padding: 8px; text-align: left;\">B\u1ea3o v\u1ec7 d\u00f2ng d\u01b0<\/th>\n<th style=\"padding: 8px; text-align: left;\">L\u01b0u \u00fd \u1ee9ng d\u1ee5ng ch\u00ednh<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 8px;\"><strong>RCB<\/strong><\/td>\n<td style=\"padding: 8px;\">Thi\u1ebft b\u1ecb ng\u1eaft m\u1ea1ch d\u00f2ng d\u01b0<\/td>\n<td style=\"padding: 8px;\">Thu\u1eadt ng\u1eef kh\u00f4ng ch\u00ednh th\u1ee9c\/chung chung trong s\u1eed d\u1ee5ng h\u00e0ng ng\u00e0y<\/td>\n<td style=\"padding: 8px;\">Ph\u1ee5 thu\u1ed9c v\u00e0o ng\u1eef c\u1ea3nh<\/td>\n<td style=\"padding: 8px;\">Yes<\/td>\n<td style=\"padding: 8px;\">C\u00f3 th\u1ec3 m\u01a1 h\u1ed3 \u2013 l\u00e0m r\u00f5 lo\u1ea1i thi\u1ebft b\u1ecb c\u1ee5 th\u1ec3 n\u00e0o \u0111\u01b0\u1ee3c \u0111\u1ec1 c\u1eadp<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>TI\u00caN<\/strong><\/td>\n<td style=\"padding: 8px;\">C\u00f2n L\u1ea1i Thi\u1ebft B\u1ecb Hi\u1ec7n T\u1ea1i<\/td>\n<td style=\"padding: 8px;\">Thu\u1eadt ng\u1eef IEC chung bao g\u1ed3m t\u1ea5t c\u1ea3 c\u00e1c thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 d\u00f2ng d\u01b0<\/td>\n<td style=\"padding: 8px;\">Thay \u0111\u1ed5i theo lo\u1ea1i<\/td>\n<td style=\"padding: 8px;\">Yes<\/td>\n<td style=\"padding: 8px;\">Thu\u1eadt ng\u1eef chung \u2013 kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t ch\u1ec9 \u0111\u1ecbnh s\u1ea3n ph\u1ea9m c\u1ee5 th\u1ec3<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>RCCB<\/strong><\/td>\n<td style=\"padding: 8px;\">B\u1ed9 ng\u1eaft m\u1ea1ch d\u00f2ng d\u01b0<\/td>\n<td style=\"padding: 8px;\">Thu\u1eadt ng\u1eef s\u1ea3n ph\u1ea9m ch\u00ednh x\u00e1c trong c\u00e1c danh m\u1ee5c hi\u1ec7n \u0111\u1ea1i v\u00e0 ti\u00eau chu\u1ea9n IEC 61008<\/td>\n<td style=\"padding: 8px;\">Kh\u00f4ng \u2013 y\u00eau c\u1ea7u MCB ri\u00eang bi\u1ec7t<\/td>\n<td style=\"padding: 8px;\">Yes<\/td>\n<td style=\"padding: 8px;\">B\u1ea3o v\u1ec7 r\u00f2 r\u1ec9 \u0111\u1ea5t chuy\u00ean d\u1ee5ng \u2013 ph\u1ed5 bi\u1ebfn nh\u1ea5t trong d\u00e2n d\u1ee5ng\/th\u01b0\u01a1ng m\u1ea1i<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>RCBO<\/strong><\/td>\n<td style=\"padding: 8px;\">B\u1ed9 ng\u1eaft m\u1ea1ch d\u00f2ng d\u01b0 c\u00f3 b\u1ea3o v\u1ec7 qu\u00e1 d\u00f2ng<\/td>\n<td style=\"padding: 8px;\">Thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 k\u1ebft h\u1ee3p theo IEC 61009<\/td>\n<td style=\"padding: 8px;\">C\u00f3 \u2013 ch\u1ee9c n\u0103ng MCB t\u00edch h\u1ee3p<\/td>\n<td style=\"padding: 8px;\">Yes<\/td>\n<td style=\"padding: 8px;\">Gi\u1ea3i ph\u00e1p t\u1ea5t c\u1ea3 trong m\u1ed9t ti\u1ebft ki\u1ec7m kh\u00f4ng gian \u2013 l\u00fd t\u01b0\u1edfng \u0111\u1ec3 b\u1ea3o v\u1ec7 m\u1ea1ch ri\u00eang l\u1ebb<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u0110\u1ec3 so s\u00e1nh k\u1ef9 thu\u1eadt s\u00e2u h\u01a1n v\u00e0 h\u01b0\u1edbng d\u1eabn l\u1ef1a ch\u1ecdn, h\u00e3y tham kh\u1ea3o b\u00e0i vi\u1ebft c\u1ee7a ch\u00fang t\u00f4i v\u1ec1 <a href=\"https:\/\/test.viox.com\/vi\/rcbo-vs-rccb-mcb-comparison-space-cost-selectivity\/\">So s\u00e1nh RCBO v\u1edbi RCCB v\u00e0 MCB<\/a>.<\/p>\n<h2>So s\u00e1nh RCB v\u00e0 MCB: Hi\u1ec3u S\u1ef1 Kh\u00e1c Bi\u1ec7t Quan Tr\u1ecdng<\/h2>\n<p>M\u1ed9t l\u00fd do ph\u1ed5 bi\u1ebfn kh\u00e1c m\u00e0 m\u1ecdi ng\u01b0\u1eddi t\u00ecm ki\u1ebfm <strong>RCB Full Form (D\u1ea1ng \u0111\u1ea7y \u0111\u1ee7 c\u1ee7a RCB)<\/strong> l\u00e0 s\u1ef1 nh\u1ea7m l\u1eabn v\u1ec1 vi\u1ec7c li\u1ec7u RCB c\u00f3 \u0111\u01a1n gi\u1ea3n ch\u1ec9 l\u00e0 m\u1ed9t lo\u1ea1i c\u1ea7u dao kh\u00e1c nh\u01b0 <a href=\"https:\/\/test.viox.com\/vi\/mcb-full-form-in-electrical\/\">MCB<\/a>. C\u00e2u tr\u1ea3 l\u1eddi ch\u1eafc ch\u1eafn l\u00e0 kh\u00f4ng\u2014ch\u00fang ph\u1ee5c v\u1ee5 c\u00e1c ch\u1ee9c n\u0103ng b\u1ea3o v\u1ec7 ho\u00e0n to\u00e0n kh\u00e1c nhau.<\/p>\n<h3>So s\u00e1nh tr\u1ecdng t\u00e2m b\u1ea3o v\u1ec7<\/h3>\n<p>M\u1ed9t <strong>MCB (M\u00e1y c\u1eaft m\u1ea1ch thu nh\u1ecf)<\/strong> ch\u1ee7 y\u1ebfu b\u1ea3o v\u1ec7 ch\u1ed1ng l\u1ea1i:<\/p>\n<ul>\n<li><strong>\u0110i\u1ec1u ki\u1ec7n qu\u00e1 t\u1ea3i<\/strong> \u2013 Khi t\u1ea3i \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u01b0\u1ee3t qu\u00e1 c\u00f4ng su\u1ea5t \u0111\u1ecbnh m\u1ee9c c\u1ee7a m\u1ea1ch<\/li>\n<li><strong>L\u1ed7i ng\u1eafn m\u1ea1ch<\/strong> \u2013 Khi d\u00e2y d\u1eabn tr\u1ef1c ti\u1ebfp v\u00e0 d\u00e2y trung t\u00ednh ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp, g\u00e2y ra d\u00f2ng \u0111i\u1ec7n s\u1ef1 c\u1ed1 c\u1ef1c cao<\/li>\n<li><strong>Thi\u1ec7t h\u1ea1i nhi\u1ec7t<\/strong> \u2013 Ng\u0103n ng\u1eeba qu\u00e1 nhi\u1ec7t d\u00e2y d\u1eabn v\u00e0 suy gi\u1ea3m c\u00e1ch \u0111i\u1ec7n do qu\u00e1 d\u00f2ng k\u00e9o d\u00e0i<\/li>\n<\/ul>\n<p>M\u1ed9t <strong>Thi\u1ebft b\u1ecb lo\u1ea1i RCB<\/strong> (RCCB\/RCD) ch\u1ee7 y\u1ebfu b\u1ea3o v\u1ec7 ch\u1ed1ng l\u1ea1i:<\/p>\n<ul>\n<li><strong>D\u00f2ng d\u01b0<\/strong> \u2013 D\u00f2ng \u0111i\u1ec7n r\u00f2 r\u1ec9 xu\u1ed1ng \u0111\u1ea5t th\u00f4ng qua c\u00e1c \u0111\u01b0\u1eddng d\u1eabn kh\u00f4ng mong mu\u1ed1n<\/li>\n<li><strong>C\u00e1c s\u1ef1 c\u1ed1 r\u00f2 r\u1ec9 \u0111\u1ea5t<\/strong> \u2013 S\u1ef1 c\u1ed1 c\u00e1ch \u0111i\u1ec7n cho ph\u00e9p d\u00f2ng \u0111i\u1ec7n ch\u1ea1y xu\u1ed1ng \u0111\u1ea5t<\/li>\n<li><strong>Nguy c\u01a1 \u0111i\u1ec7n gi\u1eadt<\/strong> \u2013 D\u00f2ng \u0111i\u1ec7n ch\u1ea1y qua c\u01a1 th\u1ec3 ng\u01b0\u1eddi xu\u1ed1ng \u0111\u1ea5t<\/li>\n<li><strong>Ch\u00e1y \u0111i\u1ec7n do s\u1ef1 c\u1ed1 ch\u1ea1m \u0111\u1ea5t<\/strong> \u2013 D\u00f2ng \u0111i\u1ec7n r\u00f2 r\u1ec9 dai d\u1eb3ng c\u00f3 th\u1ec3 g\u00e2y ch\u00e1y c\u00e1c v\u1eadt li\u1ec7u xung quanh<\/li>\n<\/ul>\n<h3>T\u1ea1i Sao B\u1ea1n C\u1ea7n C\u1ea3 Hai Lo\u1ea1i B\u1ea3o V\u1ec7<\/h3>\n<p>S\u1ef1 kh\u00e1c bi\u1ec7t c\u01a1 b\u1ea3n n\u00e0y c\u00f3 ngh\u0129a l\u00e0 kh\u00f4ng thi\u1ebft b\u1ecb n\u00e0o c\u00f3 th\u1ec3 thay th\u1ebf ho\u00e0n to\u00e0n thi\u1ebft b\u1ecb kia:<\/p>\n<ul>\n<li>M\u1ed9t <strong>Ch\u1ec9 MCB<\/strong> s\u1ebd KH\u00d4NG b\u1ea3o v\u1ec7 b\u1ea1n kh\u1ecfi b\u1ecb \u0111i\u1ec7n gi\u1eadt n\u1ebfu b\u1ea1n ch\u1ea1m v\u00e0o b\u1ed9 ph\u1eadn mang \u0111i\u1ec7n, v\u00ec d\u00f2ng \u0111i\u1ec7n ch\u1ea1y qua c\u01a1 th\u1ec3 b\u1ea1n (th\u01b0\u1eddng l\u00e0 50-100mA \u0111\u1ed1i v\u1edbi \u0111i\u1ec7n gi\u1eadt g\u00e2y t\u1eed vong) th\u1ea5p h\u01a1n nhi\u1ec1u so v\u1edbi ng\u01b0\u1ee1ng ng\u1eaft c\u1ee7a MCB (th\u01b0\u1eddng l\u00e0 6-32A \u0111\u1ed1i v\u1edbi m\u1ea1ch d\u00e2n d\u1ee5ng)<\/li>\n<li>M\u1ed9t <strong>Ch\u1ec9 RCCB<\/strong> s\u1ebd KH\u00d4NG b\u1ea3o v\u1ec7 h\u1ec7 th\u1ed1ng d\u00e2y \u0111i\u1ec7n c\u1ee7a b\u1ea1n kh\u1ecfi qu\u00e1 t\u1ea3i ho\u1eb7c h\u01b0 h\u1ecfng do ng\u1eafn m\u1ea1ch, v\u00ec n\u00f3 ch\u1ec9 ph\u1ea3n \u1ee9ng v\u1edbi s\u1ef1 m\u1ea5t c\u00e2n b\u1eb1ng d\u00f2ng \u0111i\u1ec7n, ch\u1ee9 kh\u00f4ng ph\u1ea3i t\u1ed5ng \u0111\u1ed9 l\u1edbn d\u00f2ng \u0111i\u1ec7n<\/li>\n<\/ul>\n<p>\u0110\u1ec3 c\u00f3 gi\u1ea3i th\u00edch chi ti\u1ebft v\u1ec1 l\u00fd do t\u1ea1i sao ch\u1ec9 c\u1ea7u dao kh\u00f4ng ng\u0103n ng\u1eeba \u0111i\u1ec7n gi\u1eadt, h\u00e3y \u0111\u1ecdc <a href=\"https:\/\/test.viox.com\/vi\/why-circuit-breakers-dont-protect-people\/\">t\u1ea1i sao c\u1ea7u dao kh\u00f4ng b\u1ea3o v\u1ec7 con ng\u01b0\u1eddi<\/a>.<\/p>\n<h3>B\u1ea3ng Tham Kh\u1ea3o Nhanh RCB so v\u1edbi MCB<\/h3>\n<table border=\"1\" style=\"border-collapse: collapse; width: 100%;\">\n<thead>\n<tr>\n<th style=\"padding: 8px; text-align: left;\">Lo\u1ea1i thi\u1ebft b\u1ecb<\/th>\n<th style=\"padding: 8px; text-align: left;\">Tr\u1ecdng T\u00e2m B\u1ea3o V\u1ec7 Ch\u00ednh<\/th>\n<th style=\"padding: 8px; text-align: left;\">Nh\u1eefng g\u00ec n\u00f3 ph\u00e1t hi\u1ec7n<\/th>\n<th style=\"padding: 8px; text-align: left;\">Chuy\u1ebfn \u0111i \u0111i\u1ec3n h\u00ecnh hi\u1ec7n t\u1ea1i<\/th>\n<th style=\"padding: 8px; text-align: left;\">Ph\u1ea3n \u1ee8ng Th\u1eddi Gian<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 8px;\"><strong>RCB\/RCCB<\/strong><\/td>\n<td style=\"padding: 8px;\">D\u00f2ng \u0111i\u1ec7n r\u00f2 r\u1ec9 v\u00e0 \u0111i\u1ec7n gi\u1eadt<\/td>\n<td style=\"padding: 8px;\">M\u1ea5t c\u00e2n b\u1eb1ng d\u00f2ng \u0111i\u1ec7n gi\u1eefa d\u00e2y tr\u1ef1c ti\u1ebfp v\u00e0 d\u00e2y trung t\u00ednh<\/td>\n<td style=\"padding: 8px;\">10mA \u2013 300mA<\/td>\n<td style=\"padding: 8px;\">25-40 mili gi\u00e2y<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>MCB<\/strong><\/td>\n<td style=\"padding: 8px;\">Qu\u00e1 t\u1ea3i v\u00e0 ng\u1eafn m\u1ea1ch<\/td>\n<td style=\"padding: 8px;\">T\u1ed5ng \u0111\u1ed9 l\u1edbn d\u00f2ng \u0111i\u1ec7n trong m\u1ea1ch<\/td>\n<td style=\"padding: 8px;\">6A \u2013 125A (d\u00e2n d\u1ee5ng\/th\u01b0\u01a1ng m\u1ea1i nh\u1eb9)<\/td>\n<td style=\"padding: 8px;\">Gi\u00e2y (qu\u00e1 t\u1ea3i) \u0111\u1ebfn mili gi\u00e2y (ng\u1eafn m\u1ea1ch)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u0110\u1ec3 \u0111\u01b0\u1ee3c h\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n v\u1ec1 th\u1eddi \u0111i\u1ec3m s\u1eed d\u1ee5ng t\u1eebng lo\u1ea1i thi\u1ebft b\u1ecb, h\u00e3y xem <a href=\"https:\/\/test.viox.com\/vi\/why-use-rccb-instead-of-mcb\/\">t\u1ea1i sao s\u1eed d\u1ee5ng RCCB thay v\u00ec MCB<\/a>.<\/p>\n<h2>RCB so v\u1edbi RCCB so v\u1edbi RCBO: Ch\u1ecdn Thi\u1ebft B\u1ecb Ph\u00f9 H\u1ee3p<\/h2>\n<p>N\u1ebfu b\u1ea1n \u0111\u00e3 t\u00ecm ki\u1ebfm <strong>RCB Full Form (D\u1ea1ng \u0111\u1ea7y \u0111\u1ee7 c\u1ee7a RCB)<\/strong>, c\u00f3 th\u1ec3 b\u1ea1n \u0111ang \u1edf giai \u0111o\u1ea1n \u0111\u1ea7u c\u1ee7a h\u00e0nh tr\u00ecnh t\u00ecm hi\u1ec3u v\u1ec1 b\u1ea3o v\u1ec7 \u0111i\u1ec7n. B\u01b0\u1edbc quan tr\u1ecdng ti\u1ebfp theo l\u00e0 quy\u1ebft \u0111\u1ecbnh lo\u1ea1i thi\u1ebft b\u1ecb c\u1ee5 th\u1ec3 n\u00e0o b\u1ea1n th\u1ef1c s\u1ef1 c\u1ea7n cho \u1ee9ng d\u1ee5ng c\u1ee7a m\u00ecnh.<\/p>\n<h3>RCB \/ RCCB: B\u1ea3o V\u1ec7 D\u00f2ng D\u01b0 Chuy\u00ean D\u1ee5ng<\/h3>\n<p>Trong c\u00e1c cu\u1ed9c th\u1ea3o lu\u1eadn th\u1ef1c t\u1ebf, khi \u0111\u1ed9c gi\u1ea3 t\u00ecm ki\u1ebfm <strong>RCB Full Form (D\u1ea1ng \u0111\u1ea7y \u0111\u1ee7 c\u1ee7a RCB)<\/strong>, h\u1ecd th\u01b0\u1eddng th\u1ef1c s\u1ef1 h\u1ecfi v\u1ec1 <strong>RCCB<\/strong> v\u00ec \u0111\u00f3 l\u00e0 nh\u00e3n s\u1ea3n ph\u1ea9m ch\u00ednh x\u00e1c m\u00e0 h\u1ecd s\u1ebd g\u1eb7p tr\u00ean:<\/p>\n<ul>\n<li>B\u1ea3ng d\u1eef li\u1ec7u v\u00e0 danh m\u1ee5c c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t<\/li>\n<li>L\u1ecbch tr\u00ecnh v\u00e0 b\u1ea3n v\u1ebd b\u1ea3ng \u0111i\u1ec7n<\/li>\n<li>Ch\u1ee9ng nh\u1eadn s\u1ea3n ph\u1ea9m (UL, CE, IEC)<\/li>\n<li>B\u00e1o gi\u00e1 v\u00e0 h\u00f3a \u0111\u01a1n c\u1ee7a nh\u00e0 cung c\u1ea5p<\/li>\n<\/ul>\n<p>RCCB ch\u1ec9 cung c\u1ea5p b\u1ea3o v\u1ec7 d\u00f2ng d\u01b0. N\u00f3 ph\u1ea3i \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t n\u1ed1i ti\u1ebfp v\u1edbi MCB ho\u1eb7c c\u1ea7u ch\u00ec \u0111\u1ec3 cung c\u1ea5p b\u1ea3o v\u1ec7 m\u1ea1ch ho\u00e0n ch\u1ec9nh. \u0110\u00e2y l\u00e0 ph\u01b0\u01a1ng ph\u00e1p truy\u1ec1n th\u1ed1ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong h\u1ea7u h\u1ebft c\u00e1c c\u00e0i \u0111\u1eb7t d\u00e2n d\u1ee5ng v\u00e0 th\u01b0\u01a1ng m\u1ea1i.<\/p>\n<p><strong>C\u1ea5u h\u00ecnh l\u1eafp \u0111\u1eb7t RCCB \u0111i\u1ec3n h\u00ecnh:<\/strong><\/p>\n<pre><code>Ngu\u1ed3n Cung C\u1ea5p Ch\u00ednh \u2192 RCCB (v\u00ed d\u1ee5: 40A, 30mA) \u2192 Nhi\u1ec1u MCB \u2192 C\u00e1c M\u1ea1ch Ri\u00eang L\u1ebb<\/code><\/pre>\n<h3>RCBO: B\u1ea3o V\u1ec7 K\u1ebft H\u1ee3p trong M\u1ed9t Thi\u1ebft B\u1ecb Duy Nh\u1ea5t<\/h3>\n<p>M\u1ed9t <strong>RCBO (B\u1ed9 ng\u1eaft m\u1ea1ch d\u00f2ng d\u01b0 v\u1edbi b\u1ea3o v\u1ec7 qu\u00e1 d\u00f2ng)<\/strong> k\u1ebft h\u1ee3p c\u1ea3 b\u1ea3o v\u1ec7 d\u00f2ng d\u01b0 V\u00c0 b\u1ea3o v\u1ec7 qu\u00e1 d\u00f2ng (ch\u1ee9c n\u0103ng MCB) trong m\u1ed9t thi\u1ebft b\u1ecb nh\u1ecf g\u1ecdn duy nh\u1ea5t. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 n\u00f3 bao g\u1ed3m:<\/p>\n<ul>\n<li>B\u1ea3o v\u1ec7 ch\u1ed1ng d\u00f2ng r\u00f2 (t\u01b0\u01a1ng t\u1ef1 RCCB)<\/li>\n<li>B\u1ea3o v\u1ec7 qu\u00e1 t\u1ea3i (t\u01b0\u01a1ng t\u1ef1 ph\u1ea7n t\u1eed nhi\u1ec7t c\u1ee7a MCB)<\/li>\n<li>B\u1ea3o v\u1ec7 ng\u1eafn m\u1ea1ch (t\u01b0\u01a1ng t\u1ef1 ph\u1ea7n t\u1eed t\u1eeb c\u1ee7a MCB)<\/li>\n<\/ul>\n<p><strong>C\u1ea5u h\u00ecnh l\u1eafp \u0111\u1eb7t RCBO \u0111i\u1ec3n h\u00ecnh:<\/strong><\/p>\n<pre><code>Ngu\u1ed3n c\u1ea5p ch\u00ednh \u2192 C\u00e1c RCBO ri\u00eang l\u1ebb \u2192 C\u00e1c m\u1ea1ch ri\u00eang l\u1ebb<\/code><\/pre>\n<p>\u0110\u1ec3 so s\u00e1nh k\u1ef9 thu\u1eadt chi ti\u1ebft bao g\u1ed3m y\u00eau c\u1ea7u v\u1ec1 kh\u00f4ng gian, ph\u00e2n t\u00edch chi ph\u00ed v\u00e0 c\u00e1c c\u00e2n nh\u1eafc v\u1ec1 t\u00ednh ch\u1ecdn l\u1ecdc, h\u00e3y xem <a href=\"https:\/\/test.viox.com\/vi\/rcbo-vs-rccb-mcb-comparison-space-cost-selectivity\/\">So s\u00e1nh RCBO v\u1edbi RCCB v\u00e0 MCB<\/a>.<\/p>\n<h3>So s\u00e1nh thi\u1ebft b\u1ecb: Ph\u1ea1m vi b\u1ea3o v\u1ec7<\/h3>\n<table border=\"1\" style=\"border-collapse: collapse; width: 100%;\">\n<thead>\n<tr>\n<th style=\"padding: 8px; text-align: left;\">Thu\u1eadt ng\u1eef thi\u1ebft b\u1ecb<\/th>\n<th style=\"padding: 8px; text-align: left;\">B\u1ea3o v\u1ec7 d\u00f2ng d\u01b0<\/th>\n<th style=\"padding: 8px; text-align: left;\">B\u1ea3o v\u1ec7 qu\u00e1 t\u1ea3i<\/th>\n<th style=\"padding: 8px; text-align: left;\">B\u1ea3o v\u1ec7 ng\u1eafn m\u1ea1ch<\/th>\n<th style=\"padding: 8px; text-align: left;\">Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u0111i\u1ec3n h\u00ecnh<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 8px;\"><strong>RCB\/RCCB<\/strong><\/td>\n<td style=\"padding: 8px;\">\u2713 \u652f\u6301<\/td>\n<td style=\"padding: 8px;\">\u2717 Kh\u00f4ng<\/td>\n<td style=\"padding: 8px;\">\u2717 Kh\u00f4ng<\/td>\n<td style=\"padding: 8px;\">B\u1ea3o v\u1ec7 nh\u00f3m cho nhi\u1ec1u m\u1ea1ch - y\u00eau c\u1ea7u MCB ri\u00eang bi\u1ec7t \u1edf h\u1ea1 ngu\u1ed3n<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>RCBO<\/strong><\/td>\n<td style=\"padding: 8px;\">\u2713 \u652f\u6301<\/td>\n<td style=\"padding: 8px;\">\u2713 \u652f\u6301<\/td>\n<td style=\"padding: 8px;\">\u2713 \u652f\u6301<\/td>\n<td style=\"padding: 8px;\">B\u1ea3o v\u1ec7 m\u1ea1ch ri\u00eang l\u1ebb - gi\u1ea3i ph\u00e1p t\u1ea5t c\u1ea3 trong m\u1ed9t, kh\u00f4ng c\u1ea7n MCB ri\u00eang bi\u1ec7t<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>MCB<\/strong><\/td>\n<td style=\"padding: 8px;\">\u2717 Kh\u00f4ng<\/td>\n<td style=\"padding: 8px;\">\u2713 \u652f\u6301<\/td>\n<td style=\"padding: 8px;\">\u2713 \u652f\u6301<\/td>\n<td style=\"padding: 8px;\">Ch\u1ec9 b\u1ea3o v\u1ec7 qu\u00e1 d\u00f2ng - y\u00eau c\u1ea7u RCCB ri\u00eang bi\u1ec7t \u1edf th\u01b0\u1ee3ng ngu\u1ed3n \u0111\u1ec3 b\u1ea3o v\u1ec7 ch\u1ed1ng \u0111i\u1ec7n gi\u1eadt<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Khi n\u00e0o n\u00ean ch\u1ecdn RCCB so v\u1edbi RCBO<\/h3>\n<p><strong>Ch\u1ecdn c\u1ea5u h\u00ecnh RCCB + MCB khi:<\/strong><\/p>\n<ul>\n<li>B\u1ea3o v\u1ec7 nhi\u1ec1u m\u1ea1ch b\u1eb1ng m\u1ed9t thi\u1ebft b\u1ecb d\u00f2ng d\u01b0 (hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed cho c\u00e1c nh\u00f3m)<\/li>\n<li>L\u00e0m vi\u1ec7c v\u1edbi c\u00e1c c\u00e0i \u0111\u1eb7t hi\u1ec7n c\u00f3 \u0111\u00e3 c\u00f3 MCB<\/li>\n<li>Kh\u00f4ng gian b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n kh\u00f4ng b\u1ecb h\u1ea1n ch\u1ebf nghi\u00eam tr\u1ecdng<\/li>\n<li>B\u1ea1n mu\u1ed1n \u0111\u01a1n gi\u1ea3n h\u00f3a vi\u1ec7c kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 (m\u1ed9t l\u1ea7n ng\u1eaft RCCB cho bi\u1ebft c\u00f3 r\u00f2 r\u1ec9 \u1edf \u0111\u00e2u \u0111\u00f3 trong nh\u00f3m)<\/li>\n<\/ul>\n<p><strong>Ch\u1ecdn c\u1ea5u h\u00ecnh RCBO khi:<\/strong><\/p>\n<ul>\n<li>Y\u00eau c\u1ea7u b\u1ea3o v\u1ec7 m\u1ea1ch ri\u00eang l\u1ebb (t\u00ednh ch\u1ecdn l\u1ecdc t\u1ed1t h\u01a1n - ch\u1ec9 m\u1ea1ch b\u1ecb l\u1ed7i b\u1ecb ng\u1eaft)<\/li>\n<li>Kh\u00f4ng gian b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n b\u1ecb h\u1ea1n ch\u1ebf (RCBO nh\u1ecf g\u1ecdn h\u01a1n so v\u1edbi t\u1ed5 h\u1ee3p RCCB + MCB)<\/li>\n<li>B\u1ea1n mu\u1ed1n gi\u1ea3m thi\u1ec3u t\u00ecnh tr\u1ea1ng ng\u1eaft do nhi\u1ec5u (l\u1ed7i tr\u00ean m\u1ed9t m\u1ea1ch kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1c m\u1ea1ch kh\u00e1c)<\/li>\n<li>M\u00e3 y\u00eau c\u1ea7u b\u1ea3o v\u1ec7 chuy\u00ean d\u1ee5ng cho c\u00e1c m\u1ea1ch c\u1ee5 th\u1ec3 (v\u00ed d\u1ee5:, <a href=\"https:\/\/test.viox.com\/vi\/ev-charger-circuit-breaker-sizing-guide-7kw-22kw\/\">M\u1ea1ch s\u1ea1c EV<\/a>)<\/li>\n<\/ul>\n<p>\u0110\u1ec3 \u0111\u01b0\u1ee3c h\u01b0\u1edbng d\u1eabn l\u1ef1a ch\u1ecdn th\u1ef1c t\u1ebf, h\u00e3y xem <a href=\"https:\/\/test.viox.com\/vi\/how-to-select-the-right-rcbo\/\">c\u00e1ch ch\u1ecdn RCBO ph\u00f9 h\u1ee3p<\/a>.<\/p>\n<h2>C\u00e1c thi\u1ebft b\u1ecb lo\u1ea1i RCB \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u v\u00e0 s\u1eed d\u1ee5ng \u1edf \u0111\u00e2u?<\/h2>\n<p>Hi\u1ec3u bi\u1ebft <strong>RCB Full Form (D\u1ea1ng \u0111\u1ea7y \u0111\u1ee7 c\u1ee7a RCB)<\/strong> tr\u1edf n\u00ean c\u00f3 \u00fd ngh\u0129a h\u01a1n khi b\u1ea1n bi\u1ebft nh\u1eefng thi\u1ebft b\u1ecb c\u1ee9u sinh n\u00e0y th\u1ef1c s\u1ef1 \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u v\u00e0 l\u1eafp \u0111\u1eb7t \u1edf \u0111\u00e2u.<\/p>\n<figure>\n        <img decoding=\"async\" src=\"https:\/\/img.viox.com\/Where-to-install-RCB-in-electrical-panel-residential-installation.webp\" alt=\"Where to install RCB in electrical panel residential installation\" style=\"max-width: 100%; display: block; margin: 0 auto;\"><figcaption><em>S\u01a1 \u0111\u1ed3 \u0111\u1ea5u d\u00e2y chi ti\u1ebft cho bi\u1ebft ch\u00ednh x\u00e1c v\u1ecb tr\u00ed l\u1eafp \u0111\u1eb7t RCB trong b\u1ea3ng \u0111i\u1ec7n d\u00e2n d\u1ee5ng ti\u00eau chu\u1ea9n.<\/em><\/figcaption><\/figure>\n<h3>C\u00e1c v\u1ecb tr\u00ed b\u1eaft bu\u1ed9c theo quy \u0111\u1ecbnh (Y\u00eau c\u1ea7u c\u1ee7a NEC v\u00e0 IEC)<\/h3>\n<p>C\u00e1c quy t\u1eafc \u0111i\u1ec7n hi\u1ec7n \u0111\u1ea1i ng\u00e0y c\u00e0ng b\u1eaft bu\u1ed9c b\u1ea3o v\u1ec7 d\u00f2ng d\u01b0 \u1edf c\u00e1c khu v\u1ef1c c\u00f3 r\u1ee7i ro cao:<\/p>\n<p><strong>L\u1eafp \u0111\u1eb7t d\u00e2n d\u1ee5ng:<\/strong><\/p>\n<ul>\n<li>M\u1ea1ch ph\u00f2ng t\u1eafm (t\u1ea5t c\u1ea3 c\u00e1c \u1ed5 c\u1eafm v\u00e0 \u0111\u00e8n chi\u1ebfu s\u00e1ng g\u1ea7n ngu\u1ed3n n\u01b0\u1edbc)<\/li>\n<li>\u1ed4 c\u1eafm tr\u00ean m\u1eb7t b\u00e0n b\u1ebfp (trong v\u00f2ng 6 feet t\u00ednh t\u1eeb b\u1ed3n r\u1eeda)<\/li>\n<li>\u1ed4 c\u1eafm ngo\u00e0i tr\u1eddi v\u00e0 m\u1ea1ch chi\u1ebfu s\u00e1ng<\/li>\n<li>\u1ed4 c\u1eafm trong nh\u00e0 \u0111\u1ec3 xe v\u00e0 t\u1ea7ng h\u1ea7m ch\u01b0a ho\u00e0n thi\u1ec7n<\/li>\n<li>M\u1ea1ch \u0111i\u1ec7n ph\u00f2ng gi\u1eb7t<\/li>\n<li>Thi\u1ebft b\u1ecb h\u1ed3 b\u01a1i, spa v\u00e0 b\u1ed3n t\u1eafm n\u01b0\u1edbc n\u00f3ng<\/li>\n<li><a href=\"https:\/\/test.viox.com\/vi\/commercial-vs-residential-ev-charging-protection-guide\/\">Tr\u1ea1m s\u1ea1c xe \u0111i\u1ec7n (EV)<\/a><\/li>\n<\/ul>\n<p><strong>L\u1eafp \u0111\u1eb7t th\u01b0\u01a1ng m\u1ea1i v\u00e0 c\u00f4ng nghi\u1ec7p:<\/strong><\/p>\n<ul>\n<li>\u1ed4 c\u1eafm d\u1ee5ng c\u1ee5 v\u00e0 thi\u1ebft b\u1ecb di \u0111\u1ed9ng t\u1ea1i c\u00e1c c\u00f4ng tr\u01b0\u1eddng x\u00e2y d\u1ef1ng<\/li>\n<li>M\u1ea1ch ngo\u00e0i tr\u1eddi v\u00e0 v\u1ecb tr\u00ed \u1ea9m \u01b0\u1edbt<\/li>\n<li>C\u01a1 s\u1edf y t\u1ebf (khu v\u1ef1c ch\u0103m s\u00f3c b\u1ec7nh nh\u00e2n)<\/li>\n<li>C\u00e1c t\u00f2a nh\u00e0 n\u00f4ng nghi\u1ec7p (khu v\u1ef1c nu\u00f4i nh\u1ed1t gia s\u00fac)<\/li>\n<li>B\u1ebfn du thuy\u1ec1n v\u00e0 b\u1ebfn t\u00e0u<\/li>\n<li>Ph\u00e2n ph\u1ed1i \u0111i\u1ec7n t\u1ea1m th\u1eddi<\/li>\n<li><a href=\"https:\/\/test.viox.com\/vi\/pv-dc-protection-explained-mcbs-fuses-and-spds-vs-rcds\/\">H\u1ec7 th\u1ed1ng \u0111i\u1ec7n m\u1eb7t tr\u1eddi PV<\/a> (n\u1ebfu c\u00f3)<\/li>\n<\/ul>\n<p>\u0110\u1ec3 bi\u1ebft c\u00e1c y\u00eau c\u1ea7u to\u00e0n di\u1ec7n c\u1ee7a m\u00e3 NEC, h\u00e3y xem <a href=\"https:\/\/test.viox.com\/vi\/nec-code-for-junction-boxes\/\">M\u00e3 NEC cho h\u1ed9p n\u1ed1i d\u00e2y<\/a> v\u00e0 c\u00e1c y\u00eau c\u1ea7u b\u1ea3o v\u1ec7 li\u00ean quan.<\/p>\n<h3>V\u1ecb tr\u00ed l\u1eafp \u0111\u1eb7t \u01b0u ti\u00ean cao<\/h3>\n<p>Ngay c\u1ea3 khi kh\u00f4ng \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh r\u00f5 r\u00e0ng, vi\u1ec7c b\u1ea3o v\u1ec7 RCB\/RCCB v\u1eabn \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb m\u1ea1nh m\u1ebd cho:<\/p>\n<ul>\n<li><strong>T\u1ea5t c\u1ea3 c\u00e1c \u1ed5 c\u1eafm<\/strong> trong h\u1ec7 th\u1ed1ng n\u1ed1i \u0111\u1ea5t TT (ph\u1ed5 bi\u1ebfn \u1edf v\u00f9ng n\u00f4ng th\u00f4n)<\/li>\n<li><strong>M\u1ea1ch cung c\u1ea5p thi\u1ebft b\u1ecb Lo\u1ea1i I<\/strong> (thi\u1ebft b\u1ecb b\u1ecdc kim lo\u1ea1i v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn d\u1eabn \u0111i\u1ec7n l\u1ed9 ra ngo\u00e0i)<\/li>\n<li><strong>Thi\u1ebft b\u1ecb di \u0111\u1ed9ng<\/strong> \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ngo\u00e0i tr\u1eddi ho\u1eb7c \u1edf nh\u1eefng n\u01a1i \u1ea9m \u01b0\u1edbt<\/li>\n<li><strong>M\u1ea1ch trong c\u00e1c t\u00f2a nh\u00e0 c\u0169<\/strong> v\u1edbi l\u1edbp c\u00e1ch \u0111i\u1ec7n c\u0169<\/li>\n<li><strong>B\u1ea5t k\u1ef3 m\u1ea1ch n\u00e0o c\u1ea7n t\u0103ng c\u01b0\u1eddng an to\u00e0n<\/strong><\/li>\n<\/ul>\n<h3>V\u00ed d\u1ee5 v\u1ec1 \u1ee8ng d\u1ee5ng Th\u1ef1c t\u1ebf<\/h3>\n<p><strong>V\u00ed d\u1ee5 d\u00e2n d\u1ee5ng:<\/strong><br \/>\n    M\u1ed9t ng\u00f4i nh\u00e0 hi\u1ec7n \u0111\u1ea1i \u0111i\u1ec3n h\u00ecnh c\u00f3 th\u1ec3 c\u00f3:<\/p>\n<ul>\n<li>M\u1ed9t RCCB 40A\/30mA b\u1ea3o v\u1ec7 t\u1ea5t c\u1ea3 c\u00e1c m\u1ea1ch \u1ed5 c\u1eafm (khu v\u1ef1c sinh ho\u1ea1t, ph\u00f2ng ng\u1ee7)<\/li>\n<li>M\u1ed9t RCCB 40A\/30mA b\u1ea3o v\u1ec7 c\u00e1c m\u1ea1ch khu v\u1ef1c \u1ea9m \u01b0\u1edbt (ph\u00f2ng t\u1eafm, b\u1ebfp, ph\u00f2ng gi\u1eb7t)<\/li>\n<li>M\u1ed9t RCCB 63A\/100mA b\u1ea3o v\u1ec7 c\u00e1c m\u1ea1ch ngo\u00e0i tr\u1eddi v\u00e0 nh\u00e0 \u0111\u1ec3 xe<\/li>\n<li>M\u1ea1ch chi\u1ebfu s\u00e1ng c\u00f3 th\u1ec3 ch\u1ec9 s\u1eed d\u1ee5ng MCB (m\u1eb7c d\u00f9 m\u1ed9t s\u1ed1 quy t\u1eafc hi\u1ec7n y\u00eau c\u1ea7u b\u1ea3o v\u1ec7 RCD cho t\u1ea5t c\u1ea3 c\u00e1c m\u1ea1ch)<\/li>\n<\/ul>\n<p><strong>V\u00ed d\u1ee5 th\u01b0\u01a1ng m\u1ea1i:<\/strong><br \/>\n    M\u1ed9t t\u00f2a nh\u00e0 v\u0103n ph\u00f2ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng:<\/p>\n<ul>\n<li>RCBO 20A\/30mA ri\u00eang cho m\u1ed7i m\u1ea1ch \u1ed5 c\u1eafm khu v\u1ef1c v\u0103n ph\u00f2ng<\/li>\n<li>RCCB 30mA cho t\u1ea5t c\u1ea3 c\u00e1c \u1ed5 c\u1eafm s\u1eed d\u1ee5ng chung<\/li>\n<li>RCCB 100mA ho\u1eb7c 300mA cho b\u00e1o ch\u00e1y v\u00e0 chi\u1ebfu s\u00e1ng kh\u1ea9n c\u1ea5p (\u0111\u1ec3 tr\u00e1nh ng\u1eaft m\u1ea1ch do nhi\u1ec5u)<\/li>\n<\/ul>\n<p>\u0110\u1ec3 \u0111\u01b0\u1ee3c h\u01b0\u1edbng d\u1eabn chi ti\u1ebft v\u1ec1 b\u1ed1 tr\u00ed b\u1ea3ng \u0111i\u1ec7n v\u00e0 ph\u1ed1i h\u1ee3p b\u1ea3o v\u1ec7, h\u00e3y xem <a href=\"https:\/\/test.viox.com\/vi\/circuit-protection-selection-framework-a-5-step-guide-for-panel-builders-iec-60947\/\">khung l\u1ef1a ch\u1ecdn b\u1ea3o v\u1ec7 m\u1ea1ch c\u1ee7a ch\u00fang t\u00f4i<\/a>.<\/p>\n<h2>T\u1ea1i sao B\u1ea3o v\u1ec7 RCB l\u1ea1i Quan tr\u1ecdng: S\u1ef1 Kh\u00e1c bi\u1ec7t C\u1ee9u M\u1ea1ng<\/h2>\n<p>M\u1ed9t b\u1ed9 ng\u1eaft m\u1ea1ch qu\u00e1 d\u00f2ng th\u00f4ng th\u01b0\u1eddng (MCB ho\u1eb7c MCCB) kh\u00f4ng th\u1ec3 ph\u00e1t hi\u1ec7n m\u1ecdi t\u00ecnh tr\u1ea1ng r\u00f2 r\u1ec9 nguy hi\u1ec3m. \u0110\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao b\u1ea3o v\u1ec7 d\u00f2ng d\u01b0 v\u1eabn c\u1ef1c k\u1ef3 quan tr\u1ecdng v\u00e0 ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh b\u1eaft bu\u1ed9c b\u1edfi c\u00e1c quy t\u1eafc an to\u00e0n \u0111i\u1ec7n tr\u00ean to\u00e0n th\u1ebf gi\u1edbi.<\/p>\n<h3>Nguy c\u01a1 \u0110i\u1ec7n gi\u1eadt Khi Kh\u00f4ng c\u00f3 B\u1ea3o v\u1ec7 RCB<\/h3>\n<p>H\u00e3y xem x\u00e9t t\u00ecnh hu\u1ed1ng n\u00e0y: B\u1ea1n \u0111ang s\u1eed d\u1ee5ng m\u1ed9t d\u1ee5ng c\u1ee5 \u0111i\u1ec7n c\u00f3 l\u1edbp c\u00e1ch \u0111i\u1ec7n b\u1ecb h\u1ecfng. V\u1ecf kim lo\u1ea1i b\u1ecb nhi\u1ec5m \u0111i\u1ec7n 230V, nh\u01b0ng d\u00f2ng \u0111i\u1ec7n s\u1ef1 c\u1ed1 ch\u1ea3y xu\u1ed1ng \u0111\u1ea5t th\u00f4ng qua d\u00e2y d\u1eabn \u0111\u1ea5t b\u1ea3o v\u1ec7 c\u1ee7a d\u1ee5ng c\u1ee5 ch\u1ec9 l\u00e0 200mA\u2014th\u1ea5p h\u01a1n nhi\u1ec1u so v\u1edbi ng\u01b0\u1ee1ng ng\u1eaft c\u1ee7a MCB 16A. MCB coi \u0111\u00e2y l\u00e0 ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng v\u00e0 kh\u00f4ng ng\u1eaft m\u1ea1ch.<\/p>\n<p>B\u00e2y gi\u1edd b\u1ea1n ch\u1ea1m v\u00e0o v\u1ecf kim lo\u1ea1i. D\u00f2ng \u0111i\u1ec7n ch\u1ea1y qua c\u01a1 th\u1ec3 b\u1ea1n xu\u1ed1ng \u0111\u1ea5t. Ch\u1ec9 c\u1ea7n 30mA ch\u1ea1y qua tim c\u00f3 th\u1ec3 g\u00e2y rung t\u00e2m th\u1ea5t v\u00e0 t\u1eed vong. MCB v\u1eabn s\u1ebd kh\u00f4ng ng\u1eaft m\u1ea1ch v\u00ec 30mA l\u00e0 kh\u00f4ng \u0111\u00e1ng k\u1ec3 so v\u1edbi \u0111\u1ecbnh m\u1ee9c 16A c\u1ee7a n\u00f3.<\/p>\n<p><strong>V\u1edbi RCB\/RCCB (\u0111\u1ed9 nh\u1ea1y 30mA):<\/strong><br \/>\n    Ngay khi s\u1ef1 c\u1ed1 x\u1ea3y ra (tr\u01b0\u1edbc khi b\u1ea1n ch\u1ea1m v\u00e0o d\u1ee5ng c\u1ee5), RCCB s\u1ebd ph\u00e1t hi\u1ec7n r\u00f2 r\u1ec9 200mA v\u00e0 ng\u1eaft m\u1ea1ch trong v\u00f2ng 40 mili gi\u00e2y, ng\u1eaft \u0111i\u1ec7n m\u1ea1ch v\u00e0 ng\u0103n ch\u1eb7n ho\u00e0n to\u00e0n t\u00ecnh hu\u1ed1ng \u0111i\u1ec7n gi\u1eadt.<\/p>\n<p>\u0110\u00e2y l\u00e0 l\u00fd do t\u1ea1i sao <a href=\"https:\/\/test.viox.com\/vi\/why-circuit-breakers-dont-protect-people\/\">ch\u1ec9 ri\u00eang c\u00e1c b\u1ed9 ng\u1eaft m\u1ea1ch kh\u00f4ng b\u1ea3o v\u1ec7 \u0111\u01b0\u1ee3c con ng\u01b0\u1eddi<\/a> v\u00e0 t\u1ea1i sao c\u00e1c thi\u1ebft b\u1ecb lo\u1ea1i RCB l\u1ea1i c\u1ea7n thi\u1ebft \u0111\u1ec3 b\u1ea3o v\u1ec7 ch\u1ed1ng \u0111i\u1ec7n gi\u1eadt.<\/p>\n<h3>Ph\u00f2ng Ch\u00e1y Ch\u1eefa Ch\u00e1y Th\u00f4ng Qua Ph\u00e1t Hi\u1ec7n L\u1ed7i Ch\u1ea1m \u0110\u1ea5t<\/h3>\n<p>D\u00f2ng \u0111i\u1ec7n r\u00f2 r\u1ec9 xu\u1ed1ng \u0111\u1ea5t dai d\u1eb3ng, th\u1eadm ch\u00ed th\u1ea5p \u0111\u1ebfn 300-500mA, c\u00f3 th\u1ec3 t\u1ea1o ra nhi\u1ec7t \u0111\u1ee7 l\u1edbn t\u1ea1i c\u00e1c k\u1ebft n\u1ed1i k\u00e9m ho\u1eb7c th\u00f4ng qua c\u00e1c \u0111\u01b0\u1eddng d\u1eabn c\u00e1ch \u0111i\u1ec7n b\u1ecb cacbon h\u00f3a \u0111\u1ec3 \u0111\u1ed1t ch\u00e1y c\u00e1c v\u1eadt li\u1ec7u d\u1ec5 ch\u00e1y xung quanh. C\u00e1c thi\u1ebft b\u1ecb qu\u00e1 d\u00f2ng truy\u1ec1n th\u1ed1ng s\u1ebd kh\u00f4ng ph\u00e1t hi\u1ec7n ra c\u00e1c d\u00f2ng \u0111i\u1ec7n s\u1ef1 c\u1ed1 n\u00e0y v\u00ec ch\u00fang \u1edf d\u01b0\u1edbi ng\u01b0\u1ee1ng qu\u00e1 t\u1ea3i.<\/p>\n<p>C\u00e1c thi\u1ebft b\u1ecb RCB\/RCCB c\u00f3 \u0111\u1ecbnh m\u1ee9c 100mA ho\u1eb7c 300mA cung c\u1ea5p kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 ch\u1ed1ng ch\u00e1y b\u1eb1ng c\u00e1ch ph\u00e1t hi\u1ec7n c\u00e1c d\u00f2ng \u0111i\u1ec7n r\u00f2 r\u1ec9 nguy hi\u1ec3m n\u00e0y tr\u01b0\u1edbc khi ch\u00fang c\u00f3 th\u1ec3 g\u00e2y ra ch\u00e1y. \u0110i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng trong:<\/p>\n<ul>\n<li>C\u00e1c t\u00f2a nh\u00e0 c\u0169 c\u00f3 l\u1edbp c\u00e1ch \u0111i\u1ec7n d\u00e2y \u0111i\u1ec7n b\u1ecb xu\u1ed1ng c\u1ea5p<\/li>\n<li>C\u00e1c t\u00f2a nh\u00e0 n\u00f4ng nghi\u1ec7p c\u00f3 d\u00e2y c\u00e1p b\u1ecb chu\u1ed9t c\u1eafn<\/li>\n<li>C\u00e1c c\u00f4ng tr\u00ecnh l\u1eafp \u0111\u1eb7t ngo\u00e0i tr\u1eddi ti\u1ebfp x\u00fac v\u1edbi \u0111\u1ed9 \u1ea9m v\u00e0 s\u1ef1 xu\u1ed1ng c\u1ea5p do tia c\u1ef1c t\u00edm<\/li>\n<li>M\u00f4i tr\u01b0\u1eddng c\u00f4ng nghi\u1ec7p c\u00f3 \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t<\/li>\n<\/ul>\n<p>\u0110\u1ec3 bi\u1ebft c\u00e1c chi\u1ebfn l\u01b0\u1ee3c ph\u00f2ng ch\u00e1y ch\u1eefa ch\u00e1y li\u00ean quan, h\u00e3y xem <a href=\"https:\/\/test.viox.com\/vi\/electrical-cabinet-fire-protection-causes-prevention-guide\/\">h\u01b0\u1edbng d\u1eabn ph\u00f2ng ch\u00e1y ch\u1eefa ch\u00e1y t\u1ee7 \u0111i\u1ec7n<\/a>.<\/p>\n<h2>C\u00e1c V\u1ea5n \u0111\u1ec1 v\u00e0 Gi\u1ea3i ph\u00e1p Th\u01b0\u1eddng g\u1eb7p v\u1ec1 Ng\u1eaft M\u1ea1ch RCB<\/h2>\n<p>Hi\u1ec3u bi\u1ebft <strong>RCB Full Form (D\u1ea1ng \u0111\u1ea7y \u0111\u1ee7 c\u1ee7a RCB)<\/strong> c\u0169ng c\u00f3 ngh\u0129a l\u00e0 bi\u1ebft c\u00e1ch kh\u1eafc ph\u1ee5c c\u00e1c s\u1ef1 c\u1ed1 th\u01b0\u1eddng g\u1eb7p v\u1edbi c\u00e1c thi\u1ebft b\u1ecb d\u00f2ng d\u01b0:<\/p>\n<table border=\"1\" style=\"border-collapse: collapse; width: 100%;\">\n<thead>\n<tr>\n<th style=\"padding: 8px; text-align: left;\">V\u1ea5n \u0111\u1ec1<\/th>\n<th style=\"padding: 8px; text-align: left;\">C\u00f3 Th\u1ec3 G\u00e2y Ra<\/th>\n<th style=\"padding: 8px; text-align: left;\">Gi\u1ea3i ph\u00e1p<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 8px;\"><strong>Th\u01b0\u1eddng xuy\u00ean v\u1ea5p ng\u00e3 g\u00e2y phi\u1ec1n to\u00e1i<\/strong><\/td>\n<td style=\"padding: 8px;\">R\u00f2 r\u1ec9 t\u00edch l\u0169y t\u1eeb nhi\u1ec1u thi\u1ebft b\u1ecb; \u0111\u1ed9 nh\u1ea1y qu\u00e1 cao so v\u1edbi chi\u1ec1u d\u00e0i m\u1ea1ch<\/td>\n<td style=\"padding: 8px;\">S\u1eed d\u1ee5ng \u0111\u1ecbnh m\u1ee9c \u0111\u1ed9 nh\u1ea1y cao h\u01a1n (v\u00ed d\u1ee5: 100mA thay v\u00ec 30mA) cho c\u00e1c m\u1ea1ch d\u00e0i; chia m\u1ea1ch \u0111\u1ec3 gi\u1ea3m r\u00f2 r\u1ec9 t\u00edch l\u0169y; ki\u1ec3m tra s\u1ef1 x\u00e2m nh\u1eadp c\u1ee7a h\u01a1i \u1ea9m<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>Kh\u00f4ng \u0111\u1eb7t l\u1ea1i \u0111\u01b0\u1ee3c sau khi ng\u1eaft m\u1ea1ch<\/strong><\/td>\n<td style=\"padding: 8px;\">L\u1ed7i ch\u1ea1m \u0111\u1ea5t dai d\u1eb3ng trong thi\u1ebft b\u1ecb ho\u1eb7c d\u00e2y \u0111i\u1ec7n \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i<\/td>\n<td style=\"padding: 8px;\">Ng\u1eaft k\u1ebft n\u1ed1i t\u1ea3i t\u1eebng c\u00e1i m\u1ed9t \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh thi\u1ebft b\u1ecb b\u1ecb l\u1ed7i; s\u1eed d\u1ee5ng m\u00e1y ki\u1ec3m tra \u0111i\u1ec7n tr\u1edf c\u00e1ch \u0111i\u1ec7n \u0111\u1ec3 ki\u1ec3m tra d\u00e2y \u0111i\u1ec7n<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>Kh\u00f4ng ng\u1eaft m\u1ea1ch khi nh\u1ea5n n\u00fat ki\u1ec3m tra<\/strong><\/td>\n<td style=\"padding: 8px;\">Thi\u1ebft b\u1ecb b\u1ecb l\u1ed7i; k\u1eb9t c\u01a1 h\u1ecdc; m\u1ea5t l\u1ef1c c\u0103ng l\u00f2 xo<\/td>\n<td style=\"padding: 8px;\">Thay th\u1ebf ngay l\u1eadp t\u1ee9c\u2014thi\u1ebft b\u1ecb kh\u00f4ng cung c\u1ea5p kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7; kh\u00f4ng bao gi\u1edd d\u1ef1a v\u00e0o RCD b\u1ecb l\u1ed7i<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>Ng\u1eaft m\u1ea1ch ngay l\u1eadp t\u1ee9c khi c\u1ea5p \u0111i\u1ec7n<\/strong><\/td>\n<td style=\"padding: 8px;\">D\u00f2ng \u0111i\u1ec7n kh\u1edfi \u0111\u1ed9ng cao t\u1eeb t\u1ea3i \u0111i\u1ec7n dung; L\u1ed7i N-E \u1edf h\u1ea1 l\u01b0u<\/td>\n<td style=\"padding: 8px;\">Ki\u1ec3m tra l\u1ed7i trung t\u00ednh-\u0111\u1ea5t; s\u1eed d\u1ee5ng RCD lo\u1ea1i B ho\u1eb7c tr\u1ec5 th\u1eddi gian cho c\u00e1c m\u1ea1ch c\u00f3 \u1ed5 \u0111\u0129a t\u1ed1c \u0111\u1ed9 thay \u0111\u1ed5i ho\u1eb7c t\u1ea3i \u0111i\u1ec7n t\u1eed<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>Ng\u1eaft m\u1ea1ch ng\u1eabu nhi\u00ean trong c\u00e1c c\u01a1n b\u00e3o<\/strong><\/td>\n<td style=\"padding: 8px;\">D\u00f2ng \u0111i\u1ec7n xung t\u1eeb c\u00e1c tia s\u00e9t g\u1ea7n \u0111\u00f3<\/td>\n<td style=\"padding: 8px;\">C\u00e0i \u0111\u1eb7t <a href=\"https:\/\/test.viox.com\/vi\/what-is-a-surge-protection-device\/\">thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 ch\u1ed1ng s\u00e9t lan truy\u1ec1n (SPD)<\/a> \u1edf th\u01b0\u1ee3ng ngu\u1ed3n c\u1ee7a RCCB; \u0111\u1ea3m b\u1ea3o n\u1ed1i \u0111\u1ea5t th\u00edch h\u1ee3p<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u0110\u1ec3 bi\u1ebft quy tr\u00ecnh kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 chi ti\u1ebft, h\u00e3y xem <a href=\"https:\/\/test.viox.com\/vi\/how-to-check-rccb-functionality-maintenance-guide\/\">c\u00e1ch ki\u1ec3m tra ch\u1ee9c n\u0103ng RCCB<\/a>.<\/p>\n<h2>C\u00e1ch Ch\u1ecdn Thi\u1ebft b\u1ecb Ph\u00f9 h\u1ee3p Sau Khi T\u00ecm Hi\u1ec3u \u0110\u1ea7y \u0110\u1ee7 v\u1ec1 RCB<\/h2>\n<p>N\u1ebfu b\u1ea1n b\u1eaft \u0111\u1ea7u v\u1edbi c\u00e2u h\u1ecfi \u201c <strong>RCB Full Form (D\u1ea1ng \u0111\u1ea7y \u0111\u1ee7 c\u1ee7a RCB)<\/strong>l\u00e0 g\u00ec?\u201d, gi\u1edd \u0111\u00e2y b\u1ea1n \u0111\u00e3 \u0111\u01b0\u1ee3c trang b\u1ecb \u0111\u1ec3 \u0111\u01b0a ra c\u00e1c quy\u1ebft \u0111\u1ecbnh s\u00e1ng su\u1ed1t. Nh\u01b0ng b\u01b0\u1edbc h\u1eefu \u00edch ti\u1ebfp theo l\u00e0 x\u00e1c \u0111\u1ecbnh t\u00ean thi\u1ebft b\u1ecb ho\u1eb7c s\u1ea3n ph\u1ea9m c\u1ee5 th\u1ec3 n\u00e0o b\u1ea1n th\u1ef1c s\u1ef1 c\u1ea7n cho \u1ee9ng d\u1ee5ng c\u1ee7a m\u00ecnh.<\/p>\n<h3>Ma tr\u1eadn quy\u1ebft \u0111\u1ecbnh l\u1ef1a ch\u1ecdn<\/h3>\n<table border=\"1\" style=\"border-collapse: collapse; width: 100%;\">\n<thead>\n<tr>\n<th style=\"padding: 8px; text-align: left;\">N\u1ebfu Nhu c\u1ea7u Th\u1ef1c t\u1ebf c\u1ee7a B\u1ea1n L\u00e0\u2026<\/th>\n<th style=\"padding: 8px; text-align: left;\">B\u1ea1n N\u00ean Ch\u1ec9 \u0110\u1ecbnh\u2026<\/th>\n<th style=\"padding: 8px; text-align: left;\">C\u00e2n Nh\u1eafc Quan Tr\u1ecdng<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 8px;\"><strong>Ch\u1ec9 hi\u1ec3u t\u1eeb vi\u1ebft t\u1eaft<\/strong><\/td>\n<td style=\"padding: 8px;\">Gi\u1ea3i th\u00edch \u0111\u1ea7y \u0111\u1ee7 v\u1ec1 RCB \/ gi\u1ea3i th\u00edch v\u1ec1 h\u1ecd RCD<\/td>\n<td style=\"padding: 8px;\">M\u1ee5c \u0111\u00edch gi\u00e1o d\u1ee5c \u2013 kh\u00f4ng c\u1ea7n mua s\u1eafm<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>R\u00f2 r\u1ec9 b\u1ea3o v\u1ec7 duy nh\u1ea5t<\/strong> (v\u1edbi MCB hi\u1ec7n c\u00f3)<\/td>\n<td style=\"padding: 8px;\">RCCB (\u0111\u1ed9 nh\u1ea1y c\u1ee5 th\u1ec3: 30mA, 100mA, v.v.)<\/td>\n<td style=\"padding: 8px;\">Ti\u1ebft ki\u1ec7m chi ph\u00ed nh\u1ea5t \u0111\u1ec3 b\u1ea3o v\u1ec7 nhi\u1ec1u m\u1ea1ch; y\u00eau c\u1ea7u MCB ri\u00eang bi\u1ec7t<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>B\u1ea3o v\u1ec7 ch\u1ed1ng r\u00f2 r\u1ec9 C\u1ed8NG qu\u00e1 t\u1ea3i<\/strong> trong m\u1ed9t thi\u1ebft b\u1ecb<\/td>\n<td style=\"padding: 8px;\">RCBO (ch\u1ec9 \u0111\u1ecbnh c\u1ea3 \u0111\u1ecbnh m\u1ee9c In v\u00e0 I\u0394n)<\/td>\n<td style=\"padding: 8px;\">Ti\u1ebft ki\u1ec7m kh\u00f4ng gian; ch\u1ecdn l\u1ecdc t\u1ed1t h\u01a1n; chi ph\u00ed cao h\u01a1n cho m\u1ed7i m\u1ea1ch<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>Ch\u1ec9 b\u1ea3o v\u1ec7 qu\u00e1 t\u1ea3i ho\u1eb7c ng\u1eafn m\u1ea1ch<\/strong><\/td>\n<td style=\"padding: 8px;\">MCB (kh\u00f4ng b\u1ea3o v\u1ec7 d\u00f2ng d\u01b0)<\/td>\n<td style=\"padding: 8px;\">KH\u00d4NG cung c\u1ea5p kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 ch\u1ed1ng \u0111i\u1ec7n gi\u1eadt \u2013 ph\u1ea3i \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p v\u1edbi RCCB \u1edf th\u01b0\u1ee3ng ngu\u1ed3n<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>B\u1ea3o v\u1ec7 ch\u1ed1ng \u0111i\u1ec7n gi\u1eadt di \u0111\u1ed9ng<\/strong><\/td>\n<td style=\"padding: 8px;\">B\u1ed9 chuy\u1ec3n \u0111\u1ed5i RCD \/ GFCI di \u0111\u1ed9ng<\/td>\n<td style=\"padding: 8px;\">B\u1ea3o v\u1ec7 t\u1ea1m th\u1eddi cho d\u1ee5ng c\u1ee5 \u0111i\u1ec7n v\u00e0 thi\u1ebft b\u1ecb<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Quan Tr\u1ecdng L\u1ef1a Ch\u1ecdn Th\u00f4ng S\u1ed1<\/h3>\n<p>Khi ch\u1ec9 \u0111\u1ecbnh RCB\/RCCB\/RCBO, b\u1ea1n ph\u1ea3i x\u00e1c \u0111\u1ecbnh:<\/p>\n<ol>\n<li><strong>D\u00f2ng \u0111i\u1ec7n ho\u1ea1t \u0111\u1ed9ng d\u01b0 \u0111\u1ecbnh m\u1ee9c (I\u0394n):<\/strong> 10mA, 30, 100mA, 300mA\n<ul>\n<li>10mA: T\u0103ng c\u01b0\u1eddng b\u1ea3o v\u1ec7 (y t\u1ebf, c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u1eb7c bi\u1ec7t)<\/li>\n<li>30mA: B\u1ea3o v\u1ec7 c\u00e1 nh\u00e2n ti\u00eau chu\u1ea9n (b\u1eaft bu\u1ed9c \u0111\u1ed1i v\u1edbi \u1ed5 c\u1eafm)<\/li>\n<li>100mA: B\u1ea3o v\u1ec7 ch\u1ed1ng ch\u00e1y \/ gi\u1ea3m thi\u1ec3u ng\u1eaft m\u1ea1ch do nhi\u1ec5u<\/li>\n<li>300mA: Ch\u1ec9 b\u1ea3o v\u1ec7 ch\u1ed1ng ch\u00e1y (kh\u00f4ng d\u00f9ng \u0111\u1ec3 b\u1ea3o v\u1ec7 ch\u1ed1ng \u0111i\u1ec7n gi\u1eadt)<\/li>\n<\/ul>\n<\/li>\n<li><strong>D\u00f2ng \u0111i\u1ec7n \u0111\u1ecbnh m\u1ee9c (In):<\/strong> Ph\u1ea3i v\u01b0\u1ee3t qu\u00e1 d\u00f2ng t\u1ea3i t\u1ed1i \u0111a d\u1ef1 ki\u1ebfn\n<ul>\n<li>Gi\u00e1 tr\u1ecb ph\u1ed5 bi\u1ebfn: 25A, 40A, 63A, 80A, 100A<\/li>\n<\/ul>\n<\/li>\n<li><strong>Lo\u1ea1i (\u0111\u1ed9 nh\u1ea1y d\u1ea1ng s\u00f3ng):<\/strong>\n<ul>\n<li>Lo\u1ea1i AC: Ch\u1ec9 ph\u00e1t hi\u1ec7n d\u00f2ng d\u01b0 h\u00ecnh sin AC (\u0111ang d\u1ea7n b\u1ecb lo\u1ea1i b\u1ecf)<\/li>\n<li>Lo\u1ea1i A: Ph\u00e1t hi\u1ec7n d\u00f2ng d\u01b0 AC + DC xung (t\u1ed1i thi\u1ec3u cho c\u00e1c thi\u1ebft b\u1ecb hi\u1ec7n \u0111\u1ea1i)<\/li>\n<li>Lo\u1ea1i B: Ph\u00e1t hi\u1ec7n d\u00f2ng d\u01b0 AC + DC xung + DC thu\u1ea7n (b\u1eaft bu\u1ed9c \u0111\u1ed1i v\u1edbi <a href=\"https:\/\/test.viox.com\/vi\/rccb-ev-charging-type-b-vs-type-f-vs-type-ev\/\">B\u1ed9 s\u1ea1c EV<\/a>, VFD, bi\u1ebfn t\u1ea7n n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi)<\/li>\n<li>Lo\u1ea1i F: Lo\u1ea1i A n\u00e2ng cao v\u1edbi kh\u1ea3 n\u0103ng mi\u1ec5n nhi\u1ec5m v\u1edbi c\u00e1c th\u00e0nh ph\u1ea7n t\u1ea7n s\u1ed1 cao<\/li>\n<\/ul>\n<\/li>\n<li><strong>S\u1ed1 c\u1ef1c:<\/strong> 2 c\u1ef1c (1P+N) cho m\u1ed9t pha, 4 c\u1ef1c (3P+N) cho ba pha<\/li>\n<\/ol>\n<p>\u0110\u1ec3 c\u00f3 h\u01b0\u1edbng d\u1eabn l\u1ef1a ch\u1ecdn to\u00e0n di\u1ec7n, h\u00e3y xem <a href=\"https:\/\/test.viox.com\/vi\/how-to-choose-the-right-rccb-sensitivity\/\">c\u00e1ch ch\u1ecdn \u0111\u1ed9 nh\u1ea1y RCCB ph\u00f9 h\u1ee3p<\/a>.<\/p>\n<h2>C\u00e0i \u0111\u1eb7t v\u00e0 b\u1ea3o Tr\u00ec th\u1ef1c H\u00e0nh t\u1ed1t Nh\u1ea5t<\/h2>\n<p>Hi\u1ec3u bi\u1ebft <strong>RCB Full Form (D\u1ea1ng \u0111\u1ea7y \u0111\u1ee7 c\u1ee7a RCB)<\/strong> l\u00e0 kh\u00f4ng \u0111\u1ea7y \u0111\u1ee7 n\u1ebfu kh\u00f4ng bi\u1ebft c\u00e1c quy tr\u00ecnh l\u1eafp \u0111\u1eb7t v\u00e0 b\u1ea3o tr\u00ec th\u00edch h\u1ee3p:<\/p>\n<h3>H\u01b0\u1edbng d\u1eabn c\u00e0i \u0111\u1eb7t<\/h3>\n<ul>\n<li>L\u1eafp \u0111\u1eb7t RCCB \u1edf ph\u00eda t\u1ea3i c\u1ee7a b\u1ed9 c\u00e1ch ly ch\u00ednh nh\u01b0ng \u1edf ph\u00eda tr\u01b0\u1edbc MCB c\u1ee7a m\u1ea1ch<\/li>\n<li>\u0110\u1ea3m b\u1ea3o t\u00e1ch trung t\u00ednh-\u0111\u1ea5t th\u00edch h\u1ee3p \u1edf ph\u00eda sau RCCB (kh\u00f4ng c\u00f3 li\u00ean k\u1ebft N-E)<\/li>\n<li>X\u00e1c minh k\u1ebft n\u1ed1i pha v\u00e0 trung t\u00ednh ch\u00ednh x\u00e1c (k\u1ebft n\u1ed1i ng\u01b0\u1ee3c c\u00f3 th\u1ec3 g\u00e2y ra s\u1ef1 c\u1ed1)<\/li>\n<li>Duy tr\u00ec kho\u1ea3ng c\u00e1ch \u0111\u1ea7y \u0111\u1ee7 theo <a href=\"https:\/\/test.viox.com\/vi\/nec-110-26-forbidden-rectangle-panel-clearance\/\">NEC 110.26<\/a> y\u00eau c\u1ea7u<\/li>\n<li>Ghi nh\u00e3n m\u1ea1ch r\u00f5 r\u00e0ng \u0111\u1ec3 t\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i cho vi\u1ec7c kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1<\/li>\n<li>Ki\u1ec3m tra ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng n\u00fat ki\u1ec3m tra t\u00edch h\u1ee3p tr\u01b0\u1edbc khi c\u1ea5p \u0111i\u1ec7n cho t\u1ea3i<\/li>\n<\/ul>\n<p>\u0110\u1ec3 c\u00f3 h\u01b0\u1edbng d\u1eabn chi ti\u1ebft v\u1ec1 l\u1eafp \u0111\u1eb7t b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n, h\u00e3y xem <a href=\"https:\/\/test.viox.com\/vi\/how-to-ground-an-electrical-panel\/\">c\u00e1ch ti\u1ebfp \u0111\u1ea5t cho b\u1ea3ng \u0111i\u1ec7n<\/a>.<\/p>\n<h3>L\u1ecbch tr\u00ecnh B\u1ea3o tr\u00ec v\u00e0 Ki\u1ec3m tra<\/h3>\n<table border=\"1\" style=\"border-collapse: collapse; width: 100%;\">\n<thead>\n<tr>\n<th style=\"padding: 8px; text-align: left;\">Ki\u1ec3m tra\/Ki\u1ec3m \u0111\u1ecbnh<\/th>\n<th style=\"padding: 8px; text-align: left;\">T\u00ednh th\u01b0\u1eddng xuy\u00ean<\/th>\n<th style=\"padding: 8px; text-align: left;\">Quy tr\u00ecnh<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 8px;\"><strong>Ki\u1ec3m tra ho\u1ea1t \u0111\u1ed9ng c\u1ee7a n\u00fat ki\u1ec3m tra<\/strong><\/td>\n<td style=\"padding: 8px;\">H\u00e0ng th\u00e1ng (d\u00e2n d\u1ee5ng), H\u00e0ng tu\u1ea7n (th\u01b0\u01a1ng m\u1ea1i\/c\u00f4ng nghi\u1ec7p)<\/td>\n<td style=\"padding: 8px;\">Nh\u1ea5n n\u00fat ki\u1ec3m tra \u2013 thi\u1ebft b\u1ecb ph\u1ea3i ng\u1eaft ngay l\u1eadp t\u1ee9c; \u0111\u1eb7t l\u1ea1i v\u00e0 x\u00e1c minh ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>C\u00e1ch kh\u00e1ng th\u1eed nghi\u1ec7m<\/strong><\/td>\n<td style=\"padding: 8px;\">H\u00e0ng n\u0103m ho\u1eb7c sau b\u1ea5t k\u1ef3 c\u00f4ng vi\u1ec7c \u0111i\u1ec7n n\u00e0o<\/td>\n<td style=\"padding: 8px;\">Ng\u1eaft k\u1ebft n\u1ed1i t\u1ea3i; \u0111o \u0111i\u1ec7n tr\u1edf c\u00e1ch \u0111i\u1ec7n c\u1ee7a c\u00e1c m\u1ea1ch \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7; ph\u1ea3i v\u01b0\u1ee3t qu\u00e1 1M\u03a9<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>X\u00e1c minh th\u1eddi gian chuy\u1ebfn \u0111i<\/strong><\/td>\n<td style=\"padding: 8px;\">C\u1ee9 2-3 n\u0103m m\u1ed9t l\u1ea7n ho\u1eb7c theo khuy\u1ebfn ngh\u1ecb c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t<\/td>\n<td style=\"padding: 8px;\">S\u1eed d\u1ee5ng m\u00e1y ki\u1ec3m tra RCD \u0111\u1ec3 x\u00e1c minh th\u1eddi gian ng\u1eaft \u1edf 1\u00d7 I\u0394n (ph\u1ea3i &lt;300ms) v\u00e0 5\u00d7 I\u0394n (ph\u1ea3i &lt;40ms)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>Ki\u1ec3m tra tr\u1ef1c quan<\/strong><\/td>\n<td style=\"padding: 8px;\">H\u00e0ng n\u0103m<\/td>\n<td style=\"padding: 8px;\">Ki\u1ec3m tra c\u00e1c d\u1ea5u hi\u1ec7u qu\u00e1 nhi\u1ec7t, h\u01b0 h\u1ecfng, \u0103n m\u00f2n; x\u00e1c minh c\u00e1c k\u1ebft n\u1ed1i ch\u1eb7t ch\u1ebd; ki\u1ec3m tra s\u1ef1 x\u00e2m nh\u1eadp c\u1ee7a h\u01a1i \u1ea9m<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u0110\u1ec3 bi\u1ebft quy tr\u00ecnh b\u1ea3o tr\u00ec chi ti\u1ebft, h\u00e3y xem <a href=\"https:\/\/test.viox.com\/vi\/how-to-check-rccb-functionality-maintenance-guide\/\">c\u00e1ch ki\u1ec3m tra h\u01b0\u1edbng d\u1eabn b\u1ea3o tr\u00ec ch\u1ee9c n\u0103ng RCCB<\/a>.<\/p>\n<h2>T\u00ecm hi\u1ec3u v\u1ec1 c\u00e1c thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 \u0111i\u1ec7n li\u00ean quan<\/h2>\n<p>B\u00e2y gi\u1edd b\u1ea1n \u0111\u00e3 hi\u1ec3u <strong>RCB Full Form (D\u1ea1ng \u0111\u1ea7y \u0111\u1ee7 c\u1ee7a RCB)<\/strong>, s\u1ebd h\u1eefu \u00edch khi xem c\u00e1ch b\u1ea3o v\u1ec7 d\u00f2ng d\u01b0 ph\u00f9 h\u1ee3p v\u1edbi h\u1ec7 sinh th\u00e1i an to\u00e0n \u0111i\u1ec7n r\u1ed9ng l\u1edbn h\u01a1n:<\/p>\n<h3>Ho\u00e0n thi\u1ec7n d\u00f2ng thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7<\/h3>\n<ul>\n<li><a href=\"https:\/\/test.viox.com\/vi\/mcb-full-form-in-electrical\/\"><strong>MCB (M\u00e1y c\u1eaft m\u1ea1ch thu nh\u1ecf)<\/strong><\/a> \u2013 B\u1ea3o v\u1ec7 qu\u00e1 d\u00f2ng cho c\u00e1c m\u1ea1ch l\u00ean \u0111\u1ebfn 125A<\/li>\n<li><a href=\"https:\/\/test.viox.com\/vi\/mccb-full-form-molded-case-circuit-breaker\/\"><strong>MCCB (Molded Case Circuit Breaker - Aptomat v\u1ecf \u0111\u00fac)<\/strong><\/a> \u2013 B\u1ea3o v\u1ec7 qu\u00e1 d\u00f2ng cho c\u00e1c m\u1ea1ch 100A-1600A<\/li>\n<li><a href=\"https:\/\/test.viox.com\/vi\/rccb-full-form-understanding-residual-current-circuit-breakers\/\"><strong>RCCB (M\u00e1y c\u1eaft d\u00f2ng \u0111i\u1ec7n d\u01b0)<\/strong><\/a> \u2013 Ch\u1ec9 b\u1ea3o v\u1ec7 ch\u1ed1ng r\u00f2 r\u1ec9 \u0111\u1ea5t<\/li>\n<li><a href=\"https:\/\/test.viox.com\/vi\/rcbo-vs-rccb-mcb-comparison-space-cost-selectivity\/\"><strong>RCBO<\/strong><\/a> \u2013 K\u1ebft h\u1ee3p b\u1ea3o v\u1ec7 d\u00f2ng d\u01b0 v\u00e0 qu\u00e1 d\u00f2ng<\/li>\n<li><a href=\"https:\/\/test.viox.com\/vi\/gfci-vs-afci\/\"><strong>AFCI (B\u1ed9 Ng\u1eaft M\u1ea1ch Khi C\u00f3 H\u1ed3 Quang \u0110i\u1ec7n - Arc Fault Circuit Interrupter)<\/strong><\/a> \u2013 Ph\u00e1t hi\u1ec7n c\u00e1c \u0111i\u1ec1u ki\u1ec7n ph\u00f3ng h\u1ed3 quang nguy hi\u1ec3m<\/li>\n<li><a href=\"https:\/\/test.viox.com\/vi\/understanding-afdd-iec-62606-arc-fault-protection\/\"><strong>AFDD (Thi\u1ebft b\u1ecb ph\u00e1t hi\u1ec7n h\u1ed3 quang \u0111i\u1ec7n)<\/strong><\/a> \u2013 IEC t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi AFCI<\/li>\n<li><a href=\"https:\/\/test.viox.com\/vi\/what-is-a-surge-protection-device\/\"><strong>SPD (Thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 ch\u1ed1ng s\u00e9t lan truy\u1ec1n)<\/strong><\/a> \u2013 B\u1ea3o v\u1ec7 ch\u1ed1ng l\u1ea1i qu\u00e1 \u0111i\u1ec7n \u00e1p t\u1ea1m th\u1eddi v\u00e0 s\u00e9t lan truy\u1ec1n<\/li>\n<\/ul>\n<p>\u0110\u1ec3 so s\u00e1nh to\u00e0n di\u1ec7n t\u1ea5t c\u1ea3 c\u00e1c thi\u1ebft b\u1ecb n\u00e0y, h\u00e3y xem <a href=\"https:\/\/test.viox.com\/vi\/what-is-the-difference-between-mcb-mccb-rcb-rcd-rccb-and-rcbo\/\">s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa MCB, MCCB, RCB, RCD, RCCB v\u00e0 RCBO<\/a>.<\/p>\n<h3>Chi\u1ebfn l\u01b0\u1ee3c ph\u1ed1i h\u1ee3p b\u1ea3o v\u1ec7<\/h3>\n<p>M\u1ed9t h\u1ec7 th\u1ed1ng l\u1eafp \u0111\u1eb7t \u0111i\u1ec7n \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u00fang c\u00e1ch s\u1eed d\u1ee5ng nhi\u1ec1u l\u1edbp b\u1ea3o v\u1ec7:<\/p>\n<ol>\n<li><strong>B\u1ea3o v\u1ec7 ch\u1ed1ng s\u00e9t lan truy\u1ec1n<\/strong> \u2013 SPD \u1edf \u0111\u1ea7u v\u00e0o d\u1ecbch v\u1ee5 v\u00e0 thi\u1ebft b\u1ecb nh\u1ea1y c\u1ea3m<\/li>\n<li><strong>B\u1ea3o v\u1ec7 qu\u00e1 d\u00f2ng<\/strong> \u2013 MCB ho\u1eb7c MCCB cho t\u1ea5t c\u1ea3 c\u00e1c m\u1ea1ch<\/li>\n<li><strong>B\u1ea3o v\u1ec7 d\u00f2ng d\u01b0<\/strong> \u2013 RCCB ho\u1eb7c RCBO cho b\u1ea3o v\u1ec7 ch\u1ed1ng \u0111i\u1ec7n gi\u1eadt v\u00e0 ch\u1ed1ng ch\u00e1y<\/li>\n<li><strong>B\u1ea3o v\u1ec7 ch\u1ed1ng h\u1ed3 quang \u0111i\u1ec7n<\/strong> \u2013 AFCI\/AFDD n\u01a1i \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u theo quy \u0111\u1ecbnh<\/li>\n<li><strong>Thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7<\/strong> \u2013 B\u1ed9 ng\u1eaft m\u1ea1ch b\u1ea3o v\u1ec7 \u0111\u1ed9ng c\u01a1, r\u01a1 le qu\u00e1 t\u1ea3i nhi\u1ec7t<\/li>\n<\/ol>\n<p>\u0110\u1ec3 bi\u1ebft c\u00e1c chi\u1ebfn l\u01b0\u1ee3c ph\u1ed1i h\u1ee3p chi ti\u1ebft, h\u00e3y xem <a href=\"https:\/\/test.viox.com\/vi\/circuit-protection-selection-framework-a-5-step-guide-for-panel-builders-iec-60947\/\">khung l\u1ef1a ch\u1ecdn b\u1ea3o v\u1ec7 m\u1ea1ch c\u1ee7a ch\u00fang t\u00f4i<\/a>.<\/p>\n<h2>Ti\u00eau chu\u1ea9n v\u00e0 Ch\u1ee9ng nh\u1eadn cho Thi\u1ebft b\u1ecb RCB\/RCCB<\/h2>\n<p>Khi ch\u1ec9 \u0111\u1ecbnh ho\u1eb7c mua thi\u1ebft b\u1ecb d\u1ef1a tr\u00ean s\u1ef1 hi\u1ec3u bi\u1ebft c\u1ee7a b\u1ea1n v\u1ec1 <strong>RCB Full Form (D\u1ea1ng \u0111\u1ea7y \u0111\u1ee7 c\u1ee7a RCB)<\/strong>, h\u00e3y \u0111\u1ea3m b\u1ea3o ch\u00fang \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n li\u00ean quan:<\/p>\n<h3>Ti\u00eau Chu\u1ea9n Qu\u1ed1c T\u1ebf<\/h3>\n<ul>\n<li><strong>TRUY\u1ec0N th\u00f4ng 61008-1<\/strong> \u2013 B\u1ed9 ng\u1eaft m\u1ea1ch ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng d\u00f2ng d\u01b0 kh\u00f4ng c\u00f3 b\u1ea3o v\u1ec7 qu\u00e1 d\u00f2ng t\u00edch h\u1ee3p (RCCB)<\/li>\n<li><strong>IEC 61009-1<\/strong> \u2013 B\u1ed9 ng\u1eaft m\u1ea1ch ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng d\u00f2ng d\u01b0 c\u00f3 b\u1ea3o v\u1ec7 qu\u00e1 d\u00f2ng t\u00edch h\u1ee3p (RCBO)<\/li>\n<li><strong>IEC 60755<\/strong> \u2013 C\u00e1c y\u00eau c\u1ea7u chung \u0111\u1ed1i v\u1edbi thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 d\u00f2ng d\u01b0<\/li>\n<li><strong>IEC 62606<\/strong> \u2013 C\u00e1c y\u00eau c\u1ea7u chung \u0111\u1ed1i v\u1edbi thi\u1ebft b\u1ecb ph\u00e1t hi\u1ec7n h\u1ed3 quang \u0111i\u1ec7n (AFDD)<\/li>\n<\/ul>\n<p>\u0110\u1ec3 bi\u1ebft c\u00e1c y\u00eau c\u1ea7u ti\u00eau chu\u1ea9n chi ti\u1ebft, h\u00e3y xem <a href=\"https:\/\/test.viox.com\/vi\/iec-61008-1-standard-rccb-requirements-explained\/\">Gi\u1ea3i th\u00edch c\u00e1c y\u00eau c\u1ea7u c\u1ee7a ti\u00eau chu\u1ea9n IEC 61008-1 \u0111\u1ed1i v\u1edbi RCCB<\/a>.<\/p>\n<h3>Ti\u00eau chu\u1ea9n B\u1eafc M\u1ef9<\/h3>\n<ul>\n<li><strong>Ti\u00eau chu\u1ea9n UL943<\/strong> \u2013 B\u1ed9 ng\u1eaft m\u1ea1ch khi c\u00f3 s\u1ef1 c\u1ed1 ch\u1ea1m \u0111\u1ea5t (GFCIs)<\/li>\n<li><strong>UL 1053<\/strong> \u2013 Thi\u1ebft b\u1ecb c\u1ea3m bi\u1ebfn v\u00e0 r\u01a1 le s\u1ef1 c\u1ed1 ch\u1ea1m \u0111\u1ea5t<\/li>\n<li><strong>NFPA 70 (NEC)<\/strong> \u2013 C\u00e1c y\u00eau c\u1ea7u c\u1ee7a B\u1ed9 lu\u1eadt \u0110i\u1ec7n l\u1ef1c Qu\u1ed1c gia v\u1ec1 b\u1ea3o v\u1ec7 GFCI<\/li>\n<\/ul>\n<p>\u0110\u1ec3 bi\u1ebft s\u1ef1 t\u01b0\u01a1ng \u1ee9ng v\u1ec1 thu\u1eadt ng\u1eef gi\u1eefa c\u00e1c h\u1ec7 th\u1ed1ng, h\u00e3y xem <a href=\"https:\/\/test.viox.com\/vi\/nec-vs-iec-terminology-correspondence\/\">S\u1ef1 t\u01b0\u01a1ng \u1ee9ng gi\u1eefa thu\u1eadt ng\u1eef NEC v\u00e0 IEC<\/a>.<\/p>\n<h3>C\u00e1c bi\u1ebfn th\u1ec3 theo khu v\u1ef1c<\/h3>\n<ul>\n<li><strong>GFCI (Ground Fault Circuit Interrupter)<\/strong> \u2013 Thu\u1eadt ng\u1eef B\u1eafc M\u1ef9, v\u1ec1 c\u01a1 b\u1ea3n t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi RCD\/RCCB<\/li>\n<li><strong>RCD (Thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 d\u00f2ng \u0111i\u1ec7n d\u01b0)<\/strong> \u2013 Anh, \u00dac, c\u00e1c n\u01b0\u1edbc IEC<\/li>\n<li><strong>RCCB\/RCBO<\/strong> \u2013 C\u00e1c ch\u1ec9 \u0111\u1ecbnh s\u1ea3n ph\u1ea9m IEC ch\u00ednh x\u00e1c<\/li>\n<li><strong>C\u1ea7u dao ch\u1ed1ng r\u00f2 \u0111i\u1ec7n (ELCB)<\/strong> \u2013 Thu\u1eadt ng\u1eef c\u0169 h\u01a1n, ph\u1ea7n l\u1edbn \u0111\u00e3 l\u1ed7i th\u1eddi<\/li>\n<\/ul>\n<p>\u0110\u1ec3 so s\u00e1nh chi ti\u1ebft, h\u00e3y xem <a href=\"https:\/\/test.viox.com\/vi\/rcd-vs-gfci-breaker-difference-iec-nec\/\">S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa b\u1ed9 ng\u1eaft m\u1ea1ch RCD v\u00e0 GFCI<\/a> v\u00e0 <a href=\"https:\/\/test.viox.com\/vi\/what-is-the-difference-between-rccb-and-elcb\/\">S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa RCCB v\u00e0 ELCB<\/a>.<\/p>\n<h2>C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 d\u1ea1ng \u0111\u1ea7y \u0111\u1ee7 c\u1ee7a RCB<\/h2>\n<h3>D\u1ea1ng \u0111\u1ea7y \u0111\u1ee7 c\u1ee7a RCB l\u00e0 g\u00ec?<\/h3>\n<p>Nh\u1eefng <strong>RCB Full Form (D\u1ea1ng \u0111\u1ea7y \u0111\u1ee7 c\u1ee7a RCB)<\/strong> l\u00e0 <strong>Thi\u1ebft b\u1ecb ng\u1eaft m\u1ea1ch d\u00f2ng d\u01b0<\/strong>. \u0110\u00f3 l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb an to\u00e0n \u0111i\u1ec7n \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 b\u1ea3o v\u1ec7 ch\u1ed1ng \u0111i\u1ec7n gi\u1eadt v\u00e0 h\u1ecfa ho\u1ea1n do \u0111i\u1ec7n b\u1eb1ng c\u00e1ch ph\u00e1t hi\u1ec7n d\u00f2ng \u0111i\u1ec7n r\u00f2 (d\u00f2ng \u0111i\u1ec7n d\u01b0) v\u00e0 ng\u1eaft m\u1ea1ch khi ph\u00e1t hi\u1ec7n m\u1ee9c \u0111\u1ed9 nguy hi\u1ec3m.<\/p>\n<h3>D\u1ea1ng \u0111\u1ea7y \u0111\u1ee7 c\u1ee7a RCB trong \u0111i\u1ec7n l\u00e0 g\u00ec?<\/h3>\n<p>Trong h\u1ec7 th\u1ed1ng \u0111i\u1ec7n, <strong>RCB Full Form in Electrical (D\u1ea1ng \u0111\u1ea7y \u0111\u1ee7 c\u1ee7a RCB trong \u0110i\u1ec7n)<\/strong> c\u00f3 ngh\u0129a l\u00e0 <strong>Thi\u1ebft b\u1ecb ng\u1eaft m\u1ea1ch d\u00f2ng d\u01b0<\/strong>\u2014m\u1ed9t thu\u1eadt ng\u1eef thi\u1ebft b\u1ecb li\u00ean quan \u0111\u1ebfn b\u1ea3o v\u1ec7 d\u00f2ng d\u01b0 ho\u1eb7c r\u00f2 r\u1ec9 \u0111\u1ea5t. N\u00f3 theo d\u00f5i s\u1ef1 c\u00e2n b\u1eb1ng gi\u1eefa d\u00f2ng \u0111i\u1ec7n \u0111i v\u00e0 d\u00f2ng \u0111i\u1ec7n v\u1ec1, ng\u1eaft m\u1ea1ch khi s\u1ef1 m\u1ea5t c\u00e2n b\u1eb1ng cho th\u1ea5y t\u00ecnh tr\u1ea1ng r\u00f2 r\u1ec9 c\u00f3 kh\u1ea3 n\u0103ng g\u00e2y nguy hi\u1ec3m.<\/p>\n<h3>RCB c\u00f3 gi\u1ed1ng v\u1edbi RCCB kh\u00f4ng?<\/h3>\n<p>Kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng theo thu\u1eadt ng\u1eef nghi\u00eam ng\u1eb7t. Trong s\u1eed d\u1ee5ng h\u00e0ng ng\u00e0y, m\u1ed9t s\u1ed1 ng\u01b0\u1eddi s\u1eed d\u1ee5ng RCB m\u1ed9t c\u00e1ch l\u1ecfng l\u1ebbo nh\u01b0 m\u1ed9t thu\u1eadt ng\u1eef chung, nh\u01b0ng <strong>RCCB (M\u00e1y c\u1eaft d\u00f2ng \u0111i\u1ec7n d\u01b0)<\/strong> l\u00e0 thu\u1eadt ng\u1eef s\u1ea3n ph\u1ea9m ch\u00ednh x\u00e1c h\u01a1n trong c\u00e1c danh m\u1ee5c, th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u00e0 ti\u00eau chu\u1ea9n IEC hi\u1ec7n \u0111\u1ea1i. Khi ch\u1ec9 \u0111\u1ecbnh thi\u1ebft b\u1ecb, h\u00e3y lu\u00f4n s\u1eed d\u1ee5ng RCCB \u0111\u1ec3 r\u00f5 r\u00e0ng.<\/p>\n<h3>RCB c\u00f3 gi\u1ed1ng v\u1edbi RCD kh\u00f4ng?<\/h3>\n<p>Kh\u00f4ng h\u1eb3n. <strong>RCD (Thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 d\u00f2ng \u0111i\u1ec7n d\u01b0)<\/strong> th\u01b0\u1eddng l\u00e0 thu\u1eadt ng\u1eef danh m\u1ee5c IEC r\u1ed9ng h\u01a1n bao g\u1ed3m t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 d\u00f2ng d\u01b0, trong khi <strong>RCB<\/strong> l\u00e0 m\u1ed9t t\u1eeb vi\u1ebft t\u1eaft c\u1ee5 th\u1ec3 h\u01a1n (m\u1eb7c d\u00f9 \u0111\u00f4i khi kh\u00f4ng ch\u00ednh th\u1ee9c) \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u1ed9t s\u1ed1 ng\u1eef c\u1ea3nh cho b\u1ea3o v\u1ec7 b\u1eb1ng c\u1ea7u dao d\u00f2ng d\u01b0. RCD l\u00e0 thu\u1eadt ng\u1eef \u00f4 \u0111\u01b0\u1ee3c \u01b0u ti\u00ean trong c\u00e1c ti\u00eau chu\u1ea9n k\u1ef9 thu\u1eadt.<\/p>\n<h3>S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa RCB v\u00e0 MCB l\u00e0 g\u00ec?<\/h3>\n<p>M\u1ed9t <strong>RCB\/RCCB<\/strong> t\u1eadp trung v\u00e0o vi\u1ec7c ph\u00e1t hi\u1ec7n d\u00f2ng \u0111i\u1ec7n r\u00f2 r\u1ec9 ho\u1eb7c d\u00f2ng \u0111i\u1ec7n d\u01b0 (th\u01b0\u1eddng l\u00e0 10-300mA) \u0111\u1ec3 ng\u0103n ng\u1eeba \u0111i\u1ec7n gi\u1eadt v\u00e0 h\u1ecfa ho\u1ea1n do ch\u1ea1m \u0111\u1ea5t, trong khi <a href=\"https:\/\/test.viox.com\/vi\/mcb-full-form-in-electrical\/\"><strong>MCB (M\u00e1y c\u1eaft m\u1ea1ch thu nh\u1ecf)<\/strong><\/a> t\u1eadp trung v\u00e0o b\u1ea3o v\u1ec7 qu\u00e1 d\u00f2ng (qu\u00e1 t\u1ea3i v\u00e0 ng\u1eafn m\u1ea1ch, th\u01b0\u1eddng l\u00e0 6-125A). Ch\u00fang ph\u1ee5c v\u1ee5 c\u00e1c ch\u1ee9c n\u0103ng b\u1ea3o v\u1ec7 kh\u00e1c nhau v\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng c\u00f9ng nhau \u0111\u1ec3 b\u1ea3o v\u1ec7 m\u1ea1ch ho\u00e0n ch\u1ec9nh.<\/p>\n<h3>RCBO c\u00f3 t\u1ed1t h\u01a1n RCB\/RCCB kh\u00f4ng?<\/h3>\n<p>\u0110i\u1ec1u \u0111\u00f3 ph\u1ee5 thu\u1ed9c v\u00e0o \u1ee9ng d\u1ee5ng. M\u1ed9t <a href=\"https:\/\/test.viox.com\/vi\/rcbo-vs-rccb-mcb-comparison-space-cost-selectivity\/\"><strong>RCBO<\/strong><\/a> k\u1ebft h\u1ee3p b\u1ea3o v\u1ec7 d\u00f2ng d\u01b0 v\u1edbi b\u1ea3o v\u1ec7 qu\u00e1 d\u00f2ng trong m\u1ed9t thi\u1ebft b\u1ecb, l\u00e0m cho n\u00f3 thu\u1eadn ti\u1ec7n v\u00e0 ti\u1ebft ki\u1ec7m kh\u00f4ng gian h\u01a1n. Tuy nhi\u00ean, RCCB hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed h\u01a1n khi b\u1ea3o v\u1ec7 nhi\u1ec1u m\u1ea1ch b\u1eb1ng m\u1ed9t thi\u1ebft b\u1ecb. L\u1ef1a ch\u1ecdn \u0111\u00fang ph\u1ee5 thu\u1ed9c v\u00e0o m\u1ee5c ti\u00eau b\u1ea3o v\u1ec7, kh\u00f4ng gian b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n, h\u1ea1n ch\u1ebf v\u1ec1 chi ph\u00ed v\u00e0 y\u00eau c\u1ea7u v\u1ec1 t\u00ednh ch\u1ecdn l\u1ecdc.<\/p>\n<h3>T\u00f4i n\u00ean ch\u1ecdn \u0111\u1ecbnh m\u1ee9c \u0111\u1ed9 nh\u1ea1y n\u00e0o cho RCB\/RCCB?<\/h3>\n<ul>\n<li><strong>10mA<\/strong> \u2013 T\u0103ng c\u01b0\u1eddng b\u1ea3o v\u1ec7 cho c\u00e1c \u0111\u1ecba \u0111i\u1ec3m y t\u1ebf v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u1eb7c bi\u1ec7t<\/li>\n<li><strong>30mA<\/strong> \u2013 Ti\u00eau chu\u1ea9n \u0111\u1ec3 b\u1ea3o v\u1ec7 ch\u1ed1ng \u0111i\u1ec7n gi\u1eadt c\u00e1 nh\u00e2n (b\u1eaft bu\u1ed9c \u0111\u1ed1i v\u1edbi \u1ed5 c\u1eafm v\u00e0 khu v\u1ef1c \u1ea9m \u01b0\u1edbt)<\/li>\n<li><strong>100mA<\/strong> \u2013 B\u1ea3o v\u1ec7 ch\u1ed1ng ch\u00e1y v\u1edbi gi\u1ea3m thi\u1ec3u ng\u1eaft m\u1ea1ch do nhi\u1ec5u (th\u00edch h\u1ee3p cho c\u00e1c m\u1ea1ch d\u00e0i)<\/li>\n<li><strong>300mA<\/strong> \u2013 Ch\u1ec9 b\u1ea3o v\u1ec7 ch\u1ed1ng ch\u00e1y, kh\u00f4ng th\u00edch h\u1ee3p \u0111\u1ec3 b\u1ea3o v\u1ec7 tr\u1ef1c ti\u1ebfp ch\u1ed1ng \u0111i\u1ec7n gi\u1eadt<\/li>\n<\/ul>\n<p>\u0110\u1ec3 \u0111\u01b0\u1ee3c h\u01b0\u1edbng d\u1eabn l\u1ef1a ch\u1ecdn chi ti\u1ebft, h\u00e3y xem <a href=\"https:\/\/test.viox.com\/vi\/how-to-choose-the-right-rccb-sensitivity\/\">c\u00e1ch ch\u1ecdn \u0111\u1ed9 nh\u1ea1y RCCB ph\u00f9 h\u1ee3p<\/a>.<\/p>\n<h3>T\u00f4i c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng RCCB 3 pha cho m\u1ea1ch m\u1ed9t pha kh\u00f4ng?<\/h3>\n<p>C\u00f3, nh\u01b0ng n\u00f3 kh\u00f4ng hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed. RCCB 4 c\u1ef1c (3P+N) c\u00f3 th\u1ec3 b\u1ea3o v\u1ec7 c\u00e1c m\u1ea1ch m\u1ed9t pha, nh\u01b0ng b\u1ea1n \u0111ang tr\u1ea3 ti\u1ec1n cho c\u00e1c c\u1ef1c kh\u00f4ng s\u1eed d\u1ee5ng. T\u1ed1t h\u01a1n l\u00e0 s\u1eed d\u1ee5ng RCCB 2 c\u1ef1c (1P+N) cho c\u00e1c \u1ee9ng d\u1ee5ng m\u1ed9t pha. \u0110\u1ed1i v\u1edbi c\u00e1c c\u00e2u h\u1ecfi li\u00ean quan, h\u00e3y xem <a href=\"https:\/\/test.viox.com\/vi\/can-you-use-a-3-phase-mccb-for-single-phase\/\">b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng MCCB 3 pha cho m\u1ed9t pha kh\u00f4ng<\/a>.<\/p>\n<h3>T\u00f4i n\u00ean ki\u1ec3m tra RCB\/RCCB c\u1ee7a m\u00ecnh bao l\u00e2u m\u1ed9t l\u1ea7n?<\/h3>\n<p>Nh\u1ea5n n\u00fat ki\u1ec3m tra <strong>h\u00e0ng th\u00e1ng<\/strong> cho c\u00e1c c\u00e0i \u0111\u1eb7t d\u00e2n d\u1ee5ng v\u00e0 <strong>h\u00e0ng tu\u1ea7n<\/strong> cho c\u00e1c c\u00e0i \u0111\u1eb7t th\u01b0\u01a1ng m\u1ea1i\/c\u00f4ng nghi\u1ec7p. Ki\u1ec3m tra th\u1eddi gian ng\u1eaft chuy\u00ean nghi\u1ec7p n\u00ean \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n 2-3 n\u0103m m\u1ed9t l\u1ea7n ho\u1eb7c theo khuy\u1ebfn ngh\u1ecb c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t. \u0110\u1ec3 bi\u1ebft quy tr\u00ecnh chi ti\u1ebft, h\u00e3y xem <a href=\"https:\/\/test.viox.com\/vi\/how-to-check-rccb-functionality-maintenance-guide\/\">c\u00e1ch ki\u1ec3m tra ch\u1ee9c n\u0103ng RCCB<\/a>.<\/p>\n<h3>T\u1ea1i sao RCB\/RCCB c\u1ee7a t\u00f4i c\u1ee9 b\u1ecb ng\u1eaft?<\/h3>\n<p>Nh\u1eefng nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn bao g\u1ed3m:<\/p>\n<ul>\n<li>Thi\u1ebft b\u1ecb b\u1ecb l\u1ed7i c\u00f3 r\u00f2 r\u1ec9 \u0111\u1ea5t<\/li>\n<li>H\u01b0 h\u1ecfng l\u1edbp c\u00e1ch \u0111i\u1ec7n c\u1ee7a c\u00e1p<\/li>\n<li>H\u01a1i \u1ea9m x\u00e2m nh\u1eadp v\u00e0o c\u00e1c m\u1ea1ch ngo\u00e0i tr\u1eddi<\/li>\n<li>R\u00f2 r\u1ec9 t\u00edch l\u0169y t\u1eeb nhi\u1ec1u thi\u1ebft b\u1ecb<\/li>\n<li>K\u1ebft n\u1ed1i trung t\u00ednh-\u0111\u1ea5t kh\u00f4ng ch\u00ednh x\u00e1c<\/li>\n<li>\u0110\u1ed9 nh\u1ea1y c\u1ee7a thi\u1ebft b\u1ecb qu\u00e1 cao so v\u1edbi \u0111\u1eb7c t\u00ednh m\u1ea1ch<\/li>\n<\/ul>\n<p>\u0110\u1ec3 \u0111\u01b0\u1ee3c h\u01b0\u1edbng d\u1eabn kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1, h\u00e3y xem <a href=\"https:\/\/test.viox.com\/vi\/40a-vs-63a-rcd-nuisance-tripping-guide\/\">H\u01b0\u1edbng d\u1eabn ng\u1eaft m\u1ea1ch do nhi\u1ec5u RCD 40A so v\u1edbi 63A<\/a>.<\/p>\n<h3>S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa RCCB Lo\u1ea1i A, Lo\u1ea1i B v\u00e0 Lo\u1ea1i AC l\u00e0 g\u00ec?<\/h3>\n<ul>\n<li><strong>Lo\u1ea1i AC<\/strong> \u2013 Ch\u1ec9 ph\u00e1t hi\u1ec7n d\u00f2ng d\u01b0 h\u00ecnh sin AC (ti\u00eau chu\u1ea9n t\u1ed1i thi\u1ec3u, \u0111ang d\u1ea7n b\u1ecb lo\u1ea1i b\u1ecf)<\/li>\n<li><strong>Lo\u1ea1i A<\/strong> \u2013 Ph\u00e1t hi\u1ec7n d\u00f2ng d\u01b0 AC + DC xung (t\u1ed1i thi\u1ec3u cho c\u00e1c thi\u1ebft b\u1ecb hi\u1ec7n \u0111\u1ea1i c\u00f3 \u0111i\u1ec1u khi\u1ec3n \u0111i\u1ec7n t\u1eed)<\/li>\n<li><strong>Lo\u1ea1i B<\/strong> \u2013 Ph\u00e1t hi\u1ec7n d\u00f2ng d\u01b0 AC + DC xung + DC tr\u01a1n (b\u1eaft bu\u1ed9c \u0111\u1ed1i v\u1edbi b\u1ed9 s\u1ea1c EV, VFD, bi\u1ebfn t\u1ea7n n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi)<\/li>\n<li><strong>Lo\u1ea1i F<\/strong> \u2013 Lo\u1ea1i A n\u00e2ng cao v\u1edbi kh\u1ea3 n\u0103ng mi\u1ec5n nhi\u1ec5m t\u1ea7n s\u1ed1 cao<\/li>\n<\/ul>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng s\u1ea1c EV, h\u00e3y xem <a href=\"https:\/\/test.viox.com\/vi\/rccb-ev-charging-type-b-vs-type-f-vs-type-ev\/\">RCCB s\u1ea1c EV Lo\u1ea1i B so v\u1edbi Lo\u1ea1i F so v\u1edbi Lo\u1ea1i EV<\/a>.<\/p>\n<h2>K\u1ebft lu\u1eadn: V\u01b0\u1ee3t ra ngo\u00e0i d\u1ea1ng \u0111\u1ea7y \u0111\u1ee7 c\u1ee7a RCB<\/h2>\n<p>Hi\u1ec3u r\u1eb1ng <strong>RCB Full Form (D\u1ea1ng \u0111\u1ea7y \u0111\u1ee7 c\u1ee7a RCB)<\/strong> c\u00f3 ngh\u0129a l\u00e0 <strong>Thi\u1ebft b\u1ecb ng\u1eaft m\u1ea1ch d\u00f2ng d\u01b0<\/strong> ch\u1ec9 l\u00e0 \u0111i\u1ec3m kh\u1edfi \u0111\u1ea7u. Gi\u00e1 tr\u1ecb th\u1ef1c s\u1ef1 \u0111\u1ebfn t\u1eeb vi\u1ec7c hi\u1ec3u:<\/p>\n<ul>\n<li><strong>C\u00e1ch RCB ho\u1ea1t \u0111\u1ed9ng<\/strong> \u2013 Ph\u00e1t hi\u1ec7n s\u1ef1 m\u1ea5t c\u00e2n b\u1eb1ng d\u00f2ng \u0111i\u1ec7n \u0111\u1ec3 ng\u0103n ng\u1eeba \u0111i\u1ec7n gi\u1eadt v\u00e0 h\u1ecfa ho\u1ea1n<\/li>\n<li><strong>S\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 thu\u1eadt ng\u1eef<\/strong> \u2013 RCB so v\u1edbi RCD so v\u1edbi RCCB so v\u1edbi RCBO v\u00e0 khi n\u00e0o n\u00ean s\u1eed d\u1ee5ng m\u1ed7i thu\u1eadt ng\u1eef<\/li>\n<li><strong>Nguy\u00ean t\u1eafc b\u1ea3o v\u1ec7<\/strong> \u2013 T\u1ea1i sao RCB b\u1ed5 sung nh\u01b0ng kh\u00f4ng thay th\u1ebf MCB<\/li>\n<li><strong>Ti\u00eau ch\u00ed l\u1ef1a ch\u1ecdn<\/strong> \u2013 Ch\u1ecdn \u0111\u1ed9 nh\u1ea1y, lo\u1ea1i v\u00e0 c\u1ea5u h\u00ecnh ph\u00f9 h\u1ee3p cho \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n<\/li>\n<li><strong>Y\u00eau c\u1ea7u c\u00e0i \u0111\u1eb7t<\/strong> \u2013 V\u1ecb tr\u00ed, h\u1ec7 th\u1ed1ng d\u00e2y \u0111i\u1ec7n v\u00e0 quy tr\u00ecnh ki\u1ec3m tra th\u00edch h\u1ee3p<\/li>\n<li><strong>Th\u1ef1c h\u00e0nh b\u1ea3o tr\u00ec<\/strong> \u2013 Ki\u1ec3m tra v\u00e0 ki\u1ec3m tra th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ti\u1ebfp t\u1ee5c b\u1ea3o v\u1ec7<\/li>\n<\/ul>\n<p>B\u1ea3o v\u1ec7 d\u00f2ng d\u01b0 kh\u00f4ng ph\u1ea3i l\u00e0 t\u00f9y ch\u1ecdn \u2014 \u0111\u00f3 l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng an to\u00e0n t\u00ednh m\u1ea1ng quan tr\u1ecdng gi\u00fap ng\u0103n ng\u1eeba \u0111i\u1ec7n gi\u1eadt v\u00e0 h\u1ecfa ho\u1ea1n do \u0111i\u1ec7n. Cho d\u00f9 b\u1ea1n l\u00e0 th\u1ee3 \u0111i\u1ec7n, k\u1ef9 s\u01b0, ng\u01b0\u1eddi qu\u1ea3n l\u00fd c\u01a1 s\u1edf hay ch\u1ee7 nh\u00e0, vi\u1ec7c hi\u1ec3u <strong>RCB Full Form (D\u1ea1ng \u0111\u1ea7y \u0111\u1ee7 c\u1ee7a RCB)<\/strong> v\u00e0 nh\u1eefng t\u00e1c \u0111\u1ed9ng th\u1ef1c t\u1ebf c\u1ee7a n\u00f3 cho ph\u00e9p b\u1ea1n \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh s\u00e1ng su\u1ed1t v\u1ec1 an to\u00e0n \u0111i\u1ec7n.<\/p>\n<p>\u0110\u1ec3 \u0111\u01b0\u1ee3c gi\u00e1o d\u1ee5c th\u01b0\u1eddng xuy\u00ean v\u00e0 h\u01b0\u1edbng d\u1eabn k\u1ef9 thu\u1eadt chi ti\u1ebft v\u1ec1 c\u00e1c thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 \u0111i\u1ec7n, h\u00e3y kh\u00e1m ph\u00e1 th\u01b0 vi\u1ec7n to\u00e0n di\u1ec7n c\u00e1c b\u00e0i vi\u1ebft c\u1ee7a ch\u00fang t\u00f4i v\u1ec1 <a href=\"https:\/\/test.viox.com\/vi\/types-of-circuit-breakers\/\">b\u1ed9 ng\u1eaft m\u1ea1ch<\/a>, <a href=\"https:\/\/test.viox.com\/vi\/what-is-breaker-selectivity-coordination-guide\/\">ph\u1ed1i h\u1ee3p b\u1ea3o v\u1ec7<\/a>, V\u00e0 <a href=\"https:\/\/test.viox.com\/vi\/understanding-ground-fault-protection\/\">h\u1ec7 th\u1ed1ng an to\u00e0n \u0111i\u1ec7n<\/a>.<\/p>\n<hr>\n<p><strong>Gi\u1edbi thi\u1ec7u v\u1ec1 VIOX Electric<\/strong><\/p>\n<p>VIOX l\u00e0 nh\u00e0 s\u1ea3n xu\u1ea5t h\u00e0ng \u0111\u1ea7u c\u00e1c thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 \u0111i\u1ec7n h\u1ea1 th\u1ebf, bao g\u1ed3m MCB, MCCB, RCCB, RCBO v\u00e0 c\u00e1c gi\u1ea3i ph\u00e1p ph\u00e2n ph\u1ed1i ho\u00e0n ch\u1ec9nh. V\u1edbi h\u01a1n 12 n\u0103m kinh nghi\u1ec7m trong ng\u00e0nh, ch\u00fang t\u00f4i cung c\u1ea5p c\u00e1c th\u00e0nh ph\u1ea7n \u0111i\u1ec7n \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn, ch\u1ea5t l\u01b0\u1ee3ng cao cho c\u00e1c \u1ee9ng d\u1ee5ng d\u00e2n d\u1ee5ng, th\u01b0\u01a1ng m\u1ea1i v\u00e0 c\u00f4ng nghi\u1ec7p tr\u00ean to\u00e0n th\u1ebf gi\u1edbi.<\/p>\n<p><strong>T\u00e0i nguy\u00ean li\u00ean quan:<\/strong><\/p>\n<ul>\n<li><a href=\"https:\/\/test.viox.com\/vi\/types-of-circuit-breakers\/\">H\u01b0\u1edbng d\u1eabn \u0111\u1ea7y \u0111\u1ee7 v\u1ec1 c\u00e1c lo\u1ea1i c\u1ea7u dao<\/a><\/li>\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\/circuit-breaker-ratings-icu-ics-icw-icm\/\">T\u00ecm hi\u1ec3u v\u1ec1 \u0111\u1ecbnh m\u1ee9c c\u1ee7a c\u1ea7u dao<\/a><\/li>\n<li><a href=\"https:\/\/test.viox.com\/vi\/circuit-protection-selection-framework-a-5-step-guide-for-panel-builders-iec-60947\/\">Khu\u00f4n kh\u1ed5 l\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 \u0111i\u1ec7n<\/a><\/li>\n<\/ul>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>When searching for RCB Full Form in Electrical, you&#8217;re looking for a clear answer: RCB stands for Residual Current Breaker. This life-saving electrical safety device is designed to protect against electric shock and fire by detecting leakage current\u2014current that escapes the intended circuit path, such as through a person&#8217;s body or damaged insulation. But understanding [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":21669,"comment_status":"closed","ping_status":"closed","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-21668","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\/21668","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=21668"}],"version-history":[{"count":1,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/posts\/21668\/revisions"}],"predecessor-version":[{"id":21670,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/posts\/21668\/revisions\/21670"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/media\/21669"}],"wp:attachment":[{"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/media?parent=21668"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/categories?post=21668"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/tags?post=21668"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}