{"id":21289,"date":"2026-01-16T10:52:49","date_gmt":"2026-01-16T02:52:49","guid":{"rendered":"https:\/\/viox.com\/?p=21289"},"modified":"2026-01-16T10:53:50","modified_gmt":"2026-01-16T02:53:50","slug":"rcbo-vs-rccb-mcb-comparison-space-cost-selectivity","status":"publish","type":"post","link":"https:\/\/test.viox.com\/vi\/rcbo-vs-rccb-mcb-comparison-space-cost-selectivity\/","title":{"rendered":"RCBO so v\u1edbi RCCB + MCB: Ph\u00e2n t\u00edch v\u1ec1 Kh\u00f4ng gian, Chi ph\u00ed v\u00e0 T\u00ednh ch\u1ecdn l\u1ecdc trong T\u1ee7 \u0111i\u1ec7n ph\u00e2n ph\u1ed1i"},"content":{"rendered":"<div class=\"product-intro\">\n<p>Trong b\u1ed1i c\u1ea3nh \u0111i\u1ec7n hi\u1ec7n \u0111\u1ea1i, \u201ckh\u00f4ng gian d\u1ef1 ph\u00f2ng\u201d trong t\u1ee7 \u0111i\u1ec7n ph\u00e2n ph\u1ed1i \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t th\u1ee9 xa x\u1ec9. V\u1edbi s\u1ef1 t\u00edch h\u1ee3p nhanh ch\u00f3ng c\u1ee7a b\u1ed9 s\u1ea1c xe \u0111i\u1ec7n (EV), bi\u1ebfn t\u1ea7n n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi, m\u00f4-\u0111un t\u1ef1 \u0111\u1ed9ng h\u00f3a nh\u00e0 th\u00f4ng minh v\u00e0 thi\u1ebft b\u1ecb ch\u1ed1ng s\u00e9t lan truy\u1ec1n (SPD), c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t t\u1ee7 \u0111i\u1ec7n \u0111ang \u0111\u1ed1i m\u1eb7t v\u1edbi m\u1ed9t th\u00e1ch th\u1ee9c m\u1eadt \u0111\u1ed9 nghi\u00eam tr\u1ecdng.<\/p>\n<p>Trong nhi\u1ec1u th\u1eadp k\u1ef7, c\u1ea5u h\u00ecnh ti\u00eau chu\u1ea9n cho b\u1ea3o v\u1ec7 d\u00f2ng d\u01b0 bao g\u1ed3m m\u1ed9t b\u1ea3ng \u201cT\u1ea3i chia\u201d: m\u1ed9t Thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft d\u00f2ng d\u01b0 (RCCB) c\u1ea5p ngu\u1ed3n cho m\u1ed9t d\u00e3y c\u00e1c Thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft thu nh\u1ecf (MCB). Tuy nhi\u00ean, khi t\u00ednh d\u1ec5 b\u1ea3o tr\u00ec v\u00e0 t\u00ednh li\u00ean t\u1ee5c trong kinh doanh tr\u1edf n\u00ean t\u1ed1i quan tr\u1ecdng, ng\u00e0nh c\u00f4ng nghi\u1ec7p \u0111ang chuy\u1ec3n sang <strong>Thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft d\u00f2ng d\u01b0 c\u00f3 b\u1ea3o v\u1ec7 qu\u00e1 d\u00f2ng (RCBO)<\/strong>.<\/p>\n<p>H\u01b0\u1edbng d\u1eabn k\u1ef9 thu\u1eadt n\u00e0y ph\u00e2n t\u00edch s\u1ef1 \u0111\u00e1nh \u0111\u1ed5i gi\u1eefa hai ki\u1ebfn tr\u00fac n\u00e0y, t\u1eadp trung v\u00e0o kh\u00f4ng gian thanh ray DIN, T\u1ed5ng chi ph\u00ed s\u1edf h\u1eefu (TCO) v\u00e0 t\u00ednh ch\u1ecdn l\u1ecdc tu\u00e2n th\u1ee7 theo <strong>Ti\u00eau chu\u1ea9n IEC 61009<\/strong> v\u00e0 <strong>BS 7671<\/strong>.<\/p>\n<h2>\u0110\u1ecbnh ngh\u0129a k\u1ef9 thu\u1eadt v\u00e0 ki\u1ebfn tr\u00fac<\/h2>\n<p>\u0110\u1ec3 \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh mua s\u1eafm s\u00e1ng su\u1ed1t, tr\u01b0\u1edbc ti\u00ean ch\u00fang ta ph\u1ea3i x\u00e1c \u0111\u1ecbnh s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 ki\u1ebfn tr\u00fac \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi c\u00e1c ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf.<\/p>\n<h3>C\u1ea5u h\u00ecnh RCCB + MCB (B\u1ea3o v\u1ec7 theo nh\u00f3m)<\/h3>\n<p>Ki\u1ebfn tr\u00fac n\u00e0y s\u1eed d\u1ee5ng hai thi\u1ebft b\u1ecb ri\u00eang bi\u1ec7t:<\/p>\n<ul>\n<li><strong>RCCB (IEC 61008):<\/strong> Ph\u00e1t hi\u1ec7n d\u00f2ng \u0111i\u1ec7n r\u00f2 \u0111\u1ea5t (d\u00f2ng d\u01b0) nh\u01b0ng kh\u00f4ng cung c\u1ea5p <strong>KH\u00d4NG<\/strong> b\u1ea3o v\u1ec7 ch\u1ed1ng qu\u00e1 t\u1ea3i ho\u1eb7c ng\u1eafn m\u1ea1ch. N\u00f3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 \u201cng\u01b0\u1eddi g\u00e1c c\u1ed5ng\u201d cho m\u1ed9t nh\u00f3m m\u1ea1ch.<\/li>\n<li><strong>MCB (IEC 60898):<\/strong> B\u1ea3o v\u1ec7 c\u00e1c m\u1ea1ch ri\u00eang l\u1ebb ch\u1ed1ng l\u1ea1i qu\u00e1 t\u1ea3i v\u00e0 ng\u1eafn m\u1ea1ch nh\u01b0ng b\u1ecf qua r\u00f2 r\u1ec9 \u0111\u1ea5t.<\/li>\n<\/ul>\n<p>Trong m\u1ed9t b\u1ea3ng \u201cT\u1ea3i chia\u201d \u0111i\u1ec3n h\u00ecnh, m\u1ed9t RCCB b\u1ea3o v\u1ec7 m\u1ed9t ph\u1ea7n thanh c\u00e1i c\u1ea5p ngu\u1ed3n cho 4\u20138 MCB. N\u1ebfu RCCB t\u00e1c \u0111\u1ed9ng, t\u1ea5t c\u1ea3 8 m\u1ea1ch \u0111\u1ec1u m\u1ea5t \u0111i\u1ec7n.<\/p>\n<h3>C\u1ea5u h\u00ecnh RCBO (B\u1ea3o v\u1ec7 ri\u00eang l\u1ebb)<\/h3>\n<p>M\u1ed9t <strong>RCBO (IEC 61009)<\/strong> k\u1ebft h\u1ee3p c\u00e1c ch\u1ee9c n\u0103ng c\u1ee7a MCB v\u00e0 RCCB th\u00e0nh m\u1ed9t thi\u1ebft b\u1ecb duy nh\u1ea5t. N\u00f3 cung c\u1ea5p:<\/p>\n<ol>\n<li>B\u1ea3o v\u1ec7 qu\u00e1 t\u1ea3i (Nhi\u1ec7t)<\/li>\n<li>B\u1ea3o v\u1ec7 ng\u1eafn m\u1ea1ch (T\u1eeb t\u00ednh)<\/li>\n<li>B\u1ea3o v\u1ec7 r\u00f2 r\u1ec9 \u0111\u1ea5t (Bi\u1ebfn d\u00f2ng l\u00f5i c\u00e2n b\u1eb1ng)<\/li>\n<\/ol>\n<p>\u0110i\u1ec1u quan tr\u1ecdng l\u00e0, c\u00e1c RCBO hi\u1ec7n \u0111\u1ea1i t\u00edch h\u1ee3p ch\u1ee9c n\u0103ng n\u00e0y v\u00e0o m\u1ed9t m\u00f4-\u0111un duy nh\u1ea5t r\u1ed9ng 18mm, ph\u00f9 h\u1ee3p v\u1edbi k\u00edch th\u01b0\u1edbc c\u1ee7a m\u1ed9t MCB ti\u00eau chu\u1ea9n.<\/p>\n<figure style=\"text-align: center; margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" src=\"https:\/\/img.viox.com\/Space-comparison-between-VIOX-RCBO-single-device-vs-RCCB-and-MCB-combination-on-DIN-rail.webp\" alt=\"Space comparison between VIOX RCBO single device vs RCCB and MCB combination on DIN rail\" \/><figcaption style=\"font-style: italic; color: #555; margin-top: 8px; font-size: 0.9em;\">H\u00ecnh 1: So s\u00e1nh kh\u00f4ng gian gi\u1eefa thi\u1ebft b\u1ecb \u0111\u01a1n VIOX RCBO so v\u1edbi <a href=\"https:\/\/test.viox.com\/vi\/rccb\/\">RCCB<\/a> v\u00e0 <a href=\"https:\/\/test.viox.com\/vi\/mcb\/\">MCB<\/a> s\u1ef1 k\u1ebft h\u1ee3p tr\u00ean <a href=\"https:\/\/test.viox.com\/vi\/din-rail\/\">DIN<\/a>.<\/figcaption><\/figure>\n<h2>Ph\u00e2n t\u00edch kh\u00f4ng gian: T\u00ednh to\u00e1n m\u00f4-\u0111un 18mm<\/h2>\n<p>Kh\u00f4ng gian th\u01b0\u1eddng l\u00e0 \u0111\u1ed9ng l\u1ef1c ch\u00ednh \u0111\u1ec3 chuy\u1ec3n sang RCBO. Trong ti\u00eau chu\u1ea9n IEC, m\u1ed9t chi\u1ec1u r\u1ed9ng m\u00f4-\u0111un (1TE) l\u00e0 <strong>17,5mm \u0111\u1ebfn 18mm<\/strong>.<\/p>\n<p>Khi thi\u1ebft k\u1ebf m\u1ed9t <a href=\"https:\/\/test.viox.com\/vi\/understanding-pan-assembly-in-distribution-boards\/\">L\u1eafp r\u00e1p b\u1ea3ng trong t\u1ee7 \u0111i\u1ec7n ph\u00e2n ph\u1ed1i<\/a>, vi\u1ec7c t\u00ednh to\u00e1n r\u1ea5t \u0111\u01a1n gi\u1ea3n. M\u1ed9t RCBO b\u1ea3o v\u1ec7 m\u1ed9t pha v\u00e0 trung t\u00ednh (1P+N) th\u01b0\u1eddng trong m\u1ed9t m\u00f4-\u0111un. M\u1ed9t RCCB y\u00eau c\u1ea7u hai m\u00f4-\u0111un (36mm) cho m\u1ed9t pha ho\u1eb7c b\u1ed1n m\u00f4-\u0111un (72mm) cho ba pha.<\/p>\n<h3>B\u1ea3ng 1: T\u00ednh to\u00e1n s\u1eed d\u1ee5ng kh\u00f4ng gian (B\u1ea3ng m\u1ed9t pha 12 m\u1ea1ch)<\/h3>\n<table style=\"border-collapse: collapse; width: 100%; text-align: left; margin-bottom: 20px;\" border=\"1\" cellpadding=\"8\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th>C\u1ea5u h\u00ecnh<\/th>\n<th>Thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7<\/th>\n<th>T\u1ed5ng chi\u1ec1u r\u1ed9ng m\u00f4-\u0111un<\/th>\n<th>Hi\u1ec7u qu\u1ea3 kh\u00f4ng gian<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>L\u1ef1a ch\u1ecdn A: T\u1ea3i chia k\u00e9p<\/strong><\/td>\n<td>2 x RCCB (2 c\u1ef1c) + 12 x MCB (1 c\u1ef1c)<\/td>\n<td>(2 x 2) + 12 = <strong>16 M\u00f4-\u0111un<\/strong><\/td>\n<td><strong>Th\u1ea5p:<\/strong> Y\u00eau c\u1ea7u th\u00eam kh\u00f4ng gian cho RCCB v\u00e0 v\u00f2ng c\u00e1p.<\/td>\n<\/tr>\n<tr>\n<td><strong>L\u1ef1a ch\u1ecdn B: T\u1ea5t c\u1ea3 RCBO<\/strong><\/td>\n<td>12 x RCBO (k\u00edch th\u01b0\u1edbc 1 c\u1ef1c)<\/td>\n<td>12 = <strong>12 M\u00f4-\u0111un<\/strong><\/td>\n<td><strong>Cao:<\/strong> Ti\u1ebft ki\u1ec7m 4 m\u00f4-\u0111un (72mm) \u2013 \u0111\u1ee7 cho Thi\u1ebft b\u1ecb ch\u1ed1ng s\u00e9t lan truy\u1ec1n ho\u1eb7c \u0111\u1ed3ng h\u1ed3 th\u00f4ng minh.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t t\u1ee7 \u0111i\u1ec7n, vi\u1ec7c ti\u1ebft ki\u1ec7m 4 m\u00f4-\u0111un th\u01b0\u1eddng c\u00f3 ngh\u0129a l\u00e0 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa vi\u1ec7c l\u1eafp m\u1ed9t v\u1ecf ti\u00eau chu\u1ea9n ho\u1eb7c n\u00e2ng c\u1ea5p l\u00ean m\u1ed9t t\u1ee7 t\u00f9y ch\u1ec9nh l\u1edbn h\u01a1n, \u0111\u1eaft ti\u1ec1n h\u01a1n.<\/p>\n<figure style=\"text-align: center; margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" src=\"https:\/\/img.viox.com\/DIN-rail-module-space-calculation-comparison-for-RCBO-vs-RCCBMCB-configurations-in-8-circuit-panel.webp\" alt=\"DIN rail module space calculation comparison for RCBO vs RCCB+MCB configurations in 8-circuit panel\" \/><figcaption style=\"font-style: italic; color: #555; margin-top: 8px; font-size: 0.9em;\">H\u00ecnh 2: So s\u00e1nh t\u00ednh to\u00e1n kh\u00f4ng gian m\u00f4-\u0111un thanh ray DIN cho c\u1ea5u h\u00ecnh RCBO so v\u1edbi RCCB+MCB trong b\u1ea3ng 8 m\u1ea1ch.<\/figcaption><\/figure>\n<h2>T\u00ednh ch\u1ecdn l\u1ecdc v\u00e0 c\u00e1ch ly s\u1ef1 c\u1ed1: Y\u1ebfu t\u1ed1 \u201cG\u00e2y phi\u1ec1n to\u00e1i\u201d<\/h2>\n<p>M\u1eb7c d\u00f9 kh\u00f4ng gian l\u00e0 quan tr\u1ecdng, <strong>t\u00ednh ch\u1ecdn l\u1ecdc<\/strong> (ho\u1eb7c ph\u00e2n bi\u1ec7t \u0111\u1ed1i x\u1eed) l\u00e0 l\u1eadp lu\u1eadn v\u1eadn h\u00e0nh cho RCBO.<\/p>\n<p>Trong m\u1ed9t <strong>B\u1ea3o v\u1ec7 theo nh\u00f3m (RCCB + MCB)<\/strong> , m\u1ed9t s\u1ef1 c\u1ed1 ch\u1ea1m \u0111\u1ea5t duy nh\u1ea5t tr\u00ean m\u1ed9t thi\u1ebft b\u1ecb nh\u1ecf (v\u00ed d\u1ee5: \u0111\u00e8n s\u00e2n v\u01b0\u1eddn ho\u1eb7c l\u00f2 n\u01b0\u1edbng b\u00e1nh m\u00ec) s\u1ebd l\u00e0m t\u00e1c \u0111\u1ed9ng RCCB ch\u00ednh. \u0110i\u1ec1u n\u00e0y ng\u1eaft k\u1ebft n\u1ed1i ngu\u1ed3n \u0111i\u1ec7n \u0111\u1ebfn <em>m\u1ecdi<\/em> MCB trong nh\u00f3m \u0111\u00f3.<\/p>\n<ul>\n<li><strong>H\u1eadu qu\u1ea3:<\/strong> S\u1ef1 c\u1ed1 trong nh\u00e0 \u0111\u1ec3 xe c\u00f3 th\u1ec3 t\u1eaft b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn Wi-Fi, t\u1ee7 l\u1ea1nh v\u00e0 m\u00e1y t\u00ednh v\u0103n ph\u00f2ng t\u1ea1i nh\u00e0. \u0110i\u1ec1u n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 thi\u1ebfu t\u00ednh ph\u00e2n bi\u1ec7t.<\/li>\n<\/ul>\n<p>Trong m\u1ed9t <strong>RCBO<\/strong> c\u00e0i \u0111\u1eb7t, m\u1ecdi m\u1ea1ch \u0111\u1ec1u \u0111\u1ed9c l\u1eadp. S\u1ef1 c\u1ed1 tr\u00ean \u0111\u00e8n s\u00e2n v\u01b0\u1eddn l\u00e0m t\u00e1c \u0111\u1ed9ng <em>ch\u1ec9<\/em> RCBO c\u1ee7a \u0111\u00e8n s\u00e2n v\u01b0\u1eddn. Ph\u1ea7n c\u00f2n l\u1ea1i c\u1ee7a ng\u00f4i nh\u00e0 v\u1eabn \u0111\u01b0\u1ee3c c\u1ea5p \u0111i\u1ec7n. \u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng th\u01b0\u01a1ng m\u1ea1i nh\u01b0 trung t\u00e2m d\u1eef li\u1ec7u ho\u1eb7c b\u1ec7nh vi\u1ec7n, m\u1ee9c \u0111\u1ed9 <a href=\"https:\/\/test.viox.com\/vi\/what-is-the-difference-between-mcb-mccb-rcb-rcd-rccb-and-rcbo\/\">T\u00ednh ch\u1ecdn l\u1ecdc<\/a> l\u00e0 b\u1eaft bu\u1ed9c \u0111\u1ec3 ng\u0103n ch\u1eb7n th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng t\u1ed1n k\u00e9m.<\/p>\n<h3>B\u1ea3ng 2: Ma tr\u1eadn so s\u00e1nh t\u00ednh ch\u1ecdn l\u1ecdc<\/h3>\n<table style=\"border-collapse: collapse; width: 100%; text-align: left; margin-bottom: 20px;\" border=\"1\" cellpadding=\"8\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th>N\u0103ng<\/th>\n<th>RCCB + MCB (Theo nh\u00f3m)<\/th>\n<th>RCBO (Ri\u00eang l\u1ebb)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Ph\u00e2n bi\u1ec7t s\u1ef1 c\u1ed1<\/strong><\/td>\n<td><strong>K\u00e9m.<\/strong> 1 s\u1ef1 c\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn nhi\u1ec1u m\u1ea1ch.<\/td>\n<td><strong>Tuy\u1ec7t v\u1eddi.<\/strong> 1 s\u1ef1 c\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn 1 m\u1ea1ch.<\/td>\n<\/tr>\n<tr>\n<td><strong>R\u00f2 R\u1ec9 T\u00edch L\u0169y<\/strong><\/td>\n<td><strong>R\u1ee7i Ro Cao.<\/strong> R\u00f2 r\u1ec9 th\u00f4ng th\u01b0\u1eddng t\u1eeb nhi\u1ec1u PC\/thi\u1ebft b\u1ecb c\u1ed9ng d\u1ed3n l\u1ea1i v\u00e0 c\u00f3 th\u1ec3 l\u00e0m ng\u1eaft RCCB d\u00f9ng chung.<\/td>\n<td><strong>Kh\u00f4ng c\u00f3 R\u1ee7i Ro.<\/strong> R\u00f2 r\u1ec9 \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd tr\u00ean t\u1eebng m\u1ea1ch.<\/td>\n<\/tr>\n<tr>\n<td><strong>Ch\u1ea9n \u0110o\u00e1n<\/strong><\/td>\n<td><strong>Kh\u00f3 kh\u0103n.<\/strong> Ng\u01b0\u1eddi d\u00f9ng ph\u1ea3i ki\u1ec3m tra th\u1ee7 c\u00f4ng 4-8 MCB \u0111\u1ec3 t\u00ecm m\u1ea1ch b\u1ecb l\u1ed7i.<\/td>\n<td><strong>T\u1ee9c th\u00ec.<\/strong> Tay c\u1ea7m b\u1ecb ng\u1eaft x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c m\u1ea1ch b\u1ecb l\u1ed7i ngay l\u1eadp t\u1ee9c.<\/td>\n<\/tr>\n<tr>\n<td><strong>Th\u1eddi Gian Ho\u1ea1t \u0110\u1ed9ng Quan Tr\u1ecdng<\/strong><\/td>\n<td>Kh\u00f4ng khuy\u1ebfn ngh\u1ecb cho m\u00e1y ch\u1ee7\/thi\u1ebft b\u1ecb y t\u1ebf.<\/td>\n<td>R\u1ea5t khuy\u1ebfn ngh\u1ecb.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<figure style=\"text-align: center; margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" src=\"https:\/\/img.viox.com\/VIOX-circuit-protection-selectivity-comparison-showing-fault-isolation-differences-between-RCCBMCB-and-RCBO-configurati.webp\" alt=\"VIOX circuit protection selectivity comparison showing fault isolation differences between RCCB+MCB and RCBO configurations\" \/><figcaption style=\"font-style: italic; color: #555; margin-top: 8px; font-size: 0.9em;\">H\u00ecnh 3: So s\u00e1nh t\u00ednh ch\u1ecdn l\u1ecdc b\u1ea3o v\u1ec7 m\u1ea1ch VIOX cho th\u1ea5y s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 c\u00e1ch ly s\u1ef1 c\u1ed1 gi\u1eefa c\u1ea5u h\u00ecnh RCCB+MCB v\u00e0 RCBO.<\/figcaption><\/figure>\n<h2>Ph\u00e2n T\u00edch Chi Ph\u00ed: Ph\u1ea7n C\u1ee9ng so v\u1edbi L\u1eafp \u0110\u1eb7t so v\u1edbi V\u00f2ng \u0110\u1eddi<\/h2>\n<p>S\u1ef1 ph\u1ea3n \u0111\u1ed1i ch\u00ednh \u0111\u1ed1i v\u1edbi RCBO th\u01b0\u1eddng l\u00e0 chi ph\u00ed \u0111\u01a1n v\u1ecb tr\u1ea3 tr\u01b0\u1edbc. M\u1ed9t RCBO ph\u1ee9c t\u1ea1p h\u01a1n \u0111\u1ec3 s\u1ea3n xu\u1ea5t so v\u1edbi m\u1ed9t MCB \u0111\u01a1n gi\u1ea3n. Tuy nhi\u00ean, vi\u1ec7c ch\u1ec9 xem x\u00e9t chi ph\u00ed ph\u1ea7n c\u1ee9ng m\u1ed9t c\u00e1ch ri\u00eang l\u1ebb l\u00e0 m\u1ed9t sai l\u1ea7m th\u01b0\u1eddng g\u1eb7p c\u1ee7a c\u00e1c \u0111\u1ed9i mua s\u1eafm. C\u1ea7n ph\u1ea3i t\u00ednh to\u00e1n <strong>T\u1ed5ng chi ph\u00ed l\u1eafp \u0111\u1eb7t<\/strong>.<\/p>\n<h3>B\u1ea3ng 3: Ph\u00e2n T\u00edch Chi Ph\u00ed 10 N\u0103m (V\u00ed D\u1ee5 V\u0103n Ph\u00f2ng Th\u01b0\u01a1ng M\u1ea1i)<\/h3>\n<table style=\"border-collapse: collapse; width: 100%; text-align: left; margin-bottom: 20px;\" border=\"1\" cellpadding=\"8\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th>Th\u00e0nh Ph\u1ea7n Chi Ph\u00ed<\/th>\n<th>Chi\u1ebfn L\u01b0\u1ee3c RCCB + MCB<\/th>\n<th>Chi\u1ebfn L\u01b0\u1ee3c RCBO<\/th>\n<th>Ph\u00e2n t\u00edch<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Chi Ph\u00ed Ph\u1ea7n C\u1ee9ng<\/strong><\/td>\n<td>Th\u1ea5p (1P4T)<\/td>\n<td>Trung b\u00ecnh (1P4T1P4T)<\/td>\n<td>RCCB + MCB r\u1ebb h\u01a1n kho\u1ea3ng 20-30% v\u1ec1 v\u1eadt li\u1ec7u thu\u1ea7n t\u00fay.<\/td>\n<\/tr>\n<tr>\n<td><strong>C\u00e0i \u0110\u1eb7t Lao \u0110\u1ed9ng<\/strong><\/td>\n<td>Cao (1P4T1P4T1P4T)<\/td>\n<td>Th\u1ea5p (1P4T)<\/td>\n<td>B\u1ea3ng t\u1ea3i chia pha y\u00eau c\u1ea7u \u0111\u1ea5u d\u00e2y thanh trung t\u00ednh ph\u1ee9c t\u1ea1p v\u00e0 c\u1eaft busbar. RCBO c\u1eafm v\u00e0 ch\u1ea1y.<\/td>\n<\/tr>\n<tr>\n<td><strong>V\u1eadt Li\u1ec7u D\u00e2y \u0110i\u1ec7n<\/strong><\/td>\n<td>Trung b\u00ecnh (1P4T1P4T)<\/td>\n<td>Th\u1ea5p (1P4T)<\/td>\n<td>RCBO lo\u1ea1i b\u1ecf nhu c\u1ea7u v\u1ec1 b\u1ed9 d\u00e2y trung t\u00ednh m\u1edf r\u1ed9ng.<\/td>\n<\/tr>\n<tr>\n<td><strong>B\u1ea3o Tr\u00ec\/Th\u1eddi Gian Ng\u1eebng Ho\u1ea1t \u0110\u1ed9ng<\/strong><\/td>\n<td>Cao (1P4T1P4T1P4T)<\/td>\n<td>Th\u1ea5p (1P4T)<\/td>\n<td>Chi ph\u00ed c\u1ee7a m\u1ed9t l\u1ea7n m\u1ea5t \u0111i\u1ec7n v\u0103n ph\u00f2ng do RCCB d\u00f9ng chung b\u1ecb ng\u1eaft th\u01b0\u1eddng v\u01b0\u1ee3t qu\u00e1 kho\u1ea3n ti\u1ebft ki\u1ec7m ph\u1ea7n c\u1ee9ng.<\/td>\n<\/tr>\n<tr>\n<td><strong>T\u1ed5ng Chi Ph\u00ed 10 N\u0103m<\/strong><\/td>\n<td><strong>Cao<\/strong><\/td>\n<td><strong>Th\u1ea5p<\/strong><\/td>\n<td><strong>RCBO th\u1eafng v\u1ec1 TCO.<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>H\u01a1n n\u1eefa, vi\u1ec7c \u0111\u01a1n gi\u1ea3n h\u00f3a h\u1ec7 th\u1ed1ng d\u00e2y \u0111i\u1ec7n l\u00e0m gi\u1ea3m nguy c\u01a1 l\u1ed7i c\u1ee7a ng\u01b0\u1eddi l\u1eafp \u0111\u1eb7t, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u201cM\u01b0\u1ee3n D\u00e2y Trung T\u00ednh\u201d ho\u1eb7c \u201cTrung T\u00ednh B\u1eaft Ch\u00e9o\u201d, r\u1ea5t kh\u00f3 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 trong b\u1ea3ng t\u1ea3i chia pha.<\/p>\n<figure style=\"text-align: center; margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" src=\"https:\/\/img.viox.com\/VIOX-circuit-breakers-installed-in-compact-distribution-board-showing-space-optimization.webp\" alt=\"VIOX circuit breakers installed in compact distribution board showing space optimization\" \/><figcaption style=\"font-style: italic; color: #555; margin-top: 8px; font-size: 0.9em;\">H\u00ecnh 4: Aptomat VIOX \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t trong b\u1ea3ng ph\u00e2n ph\u1ed1i nh\u1ecf g\u1ecdn cho th\u1ea5y kh\u1ea3 n\u0103ng t\u1ed1i \u01b0u h\u00f3a kh\u00f4ng gian.<\/figcaption><\/figure>\n<h2>Ma Tr\u1eadn \u1ee8ng D\u1ee5ng: Ch\u1ecdn \u0110\u00fang Chi\u1ebfn L\u01b0\u1ee3c<\/h2>\n<p>Kh\u00f4ng ph\u1ea3i m\u1ecdi c\u00e0i \u0111\u1eb7t \u0111\u1ec1u y\u00eau c\u1ea7u 100% RCBO. M\u1ed9t c\u00e1ch ti\u1ebfp c\u1eadn k\u1ebft h\u1ee3p th\u01b0\u1eddng mang l\u1ea1i s\u1ef1 c\u00e2n b\u1eb1ng t\u1ed1t nh\u1ea5t gi\u1eefa chi ph\u00ed v\u00e0 hi\u1ec7u su\u1ea5t.<\/p>\n<h3>B\u1ea3ng 4: C\u00e1c \u1ee8ng D\u1ee5ng \u0110\u01b0\u1ee3c \u0110\u1ec1 Xu\u1ea5t<\/h3>\n<table style=\"border-collapse: collapse; width: 100%; text-align: left; margin-bottom: 20px;\" border=\"1\" cellpadding=\"8\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th>\u1ee8ng d\u1ee5ng<\/th>\n<th>Chi\u1ebfn L\u01b0\u1ee3c \u0110\u01b0\u1ee3c \u0110\u1ec1 Xu\u1ea5t<\/th>\n<th>C\u01a1 s\u1edf l\u00fd lu\u1eadn<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Khu D\u00e2n C\u01b0 (Ng\u00e2n S\u00e1ch)<\/strong><\/td>\n<td><strong>K\u1ebft H\u1ee3p<\/strong><\/td>\n<td>S\u1eed d\u1ee5ng RCBO cho c\u00e1c m\u1ea1ch quan tr\u1ecdng (T\u1ee7 l\u1ea1nh, B\u00e1o \u0111\u1ed9ng, V\u0103n ph\u00f2ng t\u1ea1i nh\u00e0). S\u1eed d\u1ee5ng RCCB+MCB cho \u0110\u00e8n\/\u1ed5 c\u1eafm.<\/td>\n<\/tr>\n<tr>\n<td><strong>Khu D\u00e2n C\u01b0 (Cao C\u1ea5p)<\/strong><\/td>\n<td><strong>To\u00e0n B\u1ed9 RCBO<\/strong><\/td>\n<td>Ng\u0103n ch\u1eb7n ng\u1eaft do c\u00e1c thi\u1ebft b\u1ecb hi\u1ec7n \u0111\u1ea1i (m\u00e1y gi\u1eb7t, b\u1ed9 s\u1ea1c EV) c\u00f3 d\u00f2ng r\u00f2 \u0111\u1ea5t cao.<\/td>\n<\/tr>\n<tr>\n<td><strong>V\u0103n Ph\u00f2ng Th\u01b0\u01a1ng M\u1ea1i<\/strong><\/td>\n<td><strong>To\u00e0n B\u1ed9 RCBO<\/strong><\/td>\n<td>Chi ph\u00ed th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y t\u00ednh l\u00e0 qu\u00e1 cao. M\u1eadt \u0111\u1ed9 thi\u1ebft b\u1ecb CNTT cao g\u00e2y ra r\u00f2 r\u1ec9 t\u00edch l\u0169y l\u00e0m ng\u1eaft RCCB d\u00f9ng chung.<\/td>\n<\/tr>\n<tr>\n<td><strong>\u0110i\u1ec1u khi\u1ec3n c\u00f4ng nghi\u1ec7p<\/strong><\/td>\n<td><strong>To\u00e0n B\u1ed9 RCBO<\/strong><\/td>\n<td>\u1ed4 \u0111\u0129a \u0111\u1ed9ng c\u01a1 (VFD) t\u1ea1o ra r\u00f2 r\u1ec9 s\u00f3ng h\u00e0i. <a href=\"https:\/\/test.viox.com\/vi\/how-to-select-the-right-rcbo\/\">RCBO Lo\u1ea1i A ho\u1eb7c B<\/a> l\u00e0 c\u1ea7n thi\u1ebft.<\/td>\n<\/tr>\n<tr>\n<td><strong>B\u00ean Ngo\u00e0i\/C\u1ea3nh Quan<\/strong><\/td>\n<td><strong>RCBO<\/strong><\/td>\n<td>M\u1ea1ch ngo\u00e0i tr\u1eddi d\u1ec5 b\u1ecb n\u01b0\u1edbc x\u00e2m nh\u1eadp. C\u00e1ch ly ch\u00fang \u0111\u1ec3 ng\u0103n ch\u1eb7n vi\u1ec7c ng\u1eaft ngu\u1ed3n \u0111i\u1ec7n ch\u00ednh c\u1ee7a t\u00f2a nh\u00e0.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>C\u00e2n Nh\u1eafc K\u1ef9 Thu\u1eadt: T\u1ea3i Hi\u1ec7n \u0110\u1ea1i v\u00e0 Ti\u00eau Chu\u1ea9n<\/h2>\n<h3>X\u1eed L\u00fd R\u00f2 R\u1ec9 DC (Lo\u1ea1i A, F v\u00e0 B)<\/h3>\n<p>C\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed hi\u1ec7n \u0111\u1ea1i\u2014bao g\u1ed3m tr\u00ecnh \u0111i\u1ec1u khi\u1ec3n LED, m\u00e1y gi\u1eb7t v\u00e0 b\u1ed9 s\u1ea1c EV\u2014t\u1ea1o ra c\u00e1c th\u00e0nh ph\u1ea7n DC trong d\u00f2ng r\u00f2. RCCB Lo\u1ea1i AC ti\u00eau chu\u1ea9n c\u00f3 th\u1ec3 b\u1ecb \"m\u00f9\" b\u1edfi d\u00f2ng DC n\u00e0y.<\/p>\n<ul>\n<li><strong>S\u1ea1c EV:<\/strong> Y\u00eau c\u1ea7u <strong>Lo\u1ea1i B<\/strong> b\u1ea3o v\u1ec7 ho\u1eb7c Lo\u1ea1i A c\u00f3 ph\u00e1t hi\u1ec7n DC 6mA. L\u1eafp \u0111\u1eb7t RCCB Lo\u1ea1i B \u0111\u1ec3 b\u1ea3o v\u1ec7 m\u1ed9t nh\u00f3m MCB l\u00e0 v\u00f4 c\u00f9ng t\u1ed1n k\u00e9m. S\u1eed d\u1ee5ng m\u1ed9t <a href=\"https:\/\/test.viox.com\/vi\/rccb-ev-charging-type-b-vs-type-f-vs-type-ev\/\">RCBO lo\u1ea1i B<\/a> cho m\u1ea1ch EV hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed h\u01a1n nhi\u1ec1u.<\/li>\n<\/ul>\n<h3>Th\u00e0nh ph\u1ea7n b\u00ean trong<\/h3>\n<p>Th\u00e1ch th\u1ee9c k\u1ef9 thu\u1eadt c\u1ee7a RCBO l\u00e0 thu nh\u1ecf. K\u1ebft h\u1ee3p m\u00e1y bi\u1ebfn \u00e1p h\u00ecnh xuy\u1ebfn c\u1ee7a m\u1ed9t <a href=\"https:\/\/test.viox.com\/vi\/rccb-full-form-understanding-residual-current-circuit-breakers\/\">RCCB<\/a> v\u00e0 m\u00e1ng d\u1eadp h\u1ed3 quang c\u1ee7a m\u1ed9t <a href=\"https:\/\/test.viox.com\/vi\/types-of-circuit-breakers\/\">MCB<\/a> v\u00e0o 18mm \u0111\u00f2i h\u1ecfi qu\u1ea3n l\u00fd nhi\u1ec7t ch\u00ednh x\u00e1c. C\u00e1c k\u1ef9 s\u01b0 VIOX s\u1eed d\u1ee5ng kim lo\u1ea1i l\u01b0\u1ee1ng kim cao c\u1ea5p v\u00e0 PCB \u0111i\u1ec7n t\u1eed nh\u1ecf g\u1ecdn \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u1ea3n nhi\u1ec7t tu\u00e2n th\u1ee7 <strong>Ti\u00eau chu\u1ea9n IEC 61009<\/strong> gi\u1edbi h\u1ea1n t\u0103ng nhi\u1ec7t \u0111\u1ed9.<\/p>\n<figure style=\"text-align: center; margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" src=\"https:\/\/img.viox.com\/Technical-cutaway-diagram-comparing-VIOX-RCBO-integrated-design-vs-separate-RCCB-and-MCB-components.webp\" alt=\"Technical cutaway diagram comparing VIOX RCBO integrated design vs separate RCCB and MCB components\" \/><figcaption style=\"font-style: italic; color: #555; margin-top: 8px; font-size: 0.9em;\">H\u00ecnh 5: S\u01a1 \u0111\u1ed3 c\u1eaft k\u1ef9 thu\u1eadt so s\u00e1nh thi\u1ebft k\u1ebf t\u00edch h\u1ee3p RCBO VIOX so v\u1edbi c\u00e1c th\u00e0nh ph\u1ea7n RCCB v\u00e0 MCB ri\u00eang bi\u1ec7t.<\/figcaption><\/figure>\n<h2>K\u1ebft lu\u1eadn<\/h2>\n<p>Trong khi <strong>RCCB + MCB<\/strong> c\u1ea5u h\u00ecnh v\u1eabn l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p h\u1ee3p l\u1ec7, chi ph\u00ed th\u1ea5p cho c\u00e1c \u1ee9ng d\u1ee5ng d\u00e2n d\u1ee5ng \u0111\u01a1n gi\u1ea3n, th\u00ec <strong>RCBO<\/strong> \u0111\u00e3 n\u1ed5i l\u00ean nh\u01b0 m\u1ed9t ti\u00eau chu\u1ea9n chuy\u00ean nghi\u1ec7p cho vi\u1ec7c ph\u00e2n ph\u1ed1i \u0111i\u1ec7n hi\u1ec7n \u0111\u1ea1i.<\/p>\n<p>\u201cKh\u1ee7ng ho\u1ea3ng kh\u00f4ng gian\u201d trong t\u1ee7 \u0111i\u1ec7n, do n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o v\u00e0 t\u00edch h\u1ee3p t\u1ef1 \u0111\u1ed9ng h\u00f3a th\u00fac \u0111\u1ea9y, l\u00e0m cho k\u00edch th\u01b0\u1edbc 18mm c\u1ee7a RCBO tr\u1edf n\u00ean v\u00f4 gi\u00e1. Khi k\u1ebft h\u1ee3p v\u1edbi c\u00e1c l\u1ee3i \u00edch v\u1eadn h\u00e0nh c\u1ee7a t\u00ednh ch\u1ecdn l\u1ecdc ho\u00e0n to\u00e0n v\u00e0 gi\u1ea3m thi\u1ec3u nh\u00e2n c\u00f4ng \u0111i d\u00e2y, RCBO mang l\u1ea1i L\u1ee3i t\u1ee9c \u0111\u1ea7u t\u01b0 (ROI) v\u01b0\u1ee3t tr\u1ed9i cho c\u1ea3 nh\u00e0 th\u1ea7u v\u00e0 ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i.<\/p>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c \u0111\u1ed1i t\u00e1c c\u1ee7a VIOX, vi\u1ec7c \u0111\u1ec1 xu\u1ea5t RCBO kh\u00f4ng ch\u1ec9 l\u00e0 b\u00e1n th\u00eam ph\u1ea7n c\u1ee9ng; m\u00e0 l\u00e0 cung c\u1ea5p m\u1ed9t h\u1ec7 th\u1ed1ng \u0111i\u1ec7n linh ho\u1ea1t, c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu trong t\u01b0\u01a1ng lai, gi\u1ea3m thi\u1ec3u th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng v\u00e0 \u0111\u01a1n gi\u1ea3n h\u00f3a vi\u1ec7c b\u1ea3o tr\u00ec.<\/p>\n<h2>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n<p><strong>RCBO c\u00f3 th\u1ec3 ho\u00e0n to\u00e0n thay th\u1ebf t\u1ed5 h\u1ee3p RCCB+MCB kh\u00f4ng?<\/strong><br \/>\n\u0110\u00fang v\u1eady. RCBO cung c\u1ea5p \u0111\u1ea7y \u0111\u1ee7 c\u00e1c ch\u1ee9c n\u0103ng b\u1ea3o v\u1ec7 (Qu\u00e1 t\u1ea3i, Ng\u1eafn m\u1ea1ch v\u00e0 R\u00f2 r\u1ec9 \u0111\u1ea5t) t\u01b0\u01a1ng t\u1ef1 nh\u01b0 s\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a RCCB v\u00e0 MCB, th\u01b0\u1eddng v\u1edbi hi\u1ec7u su\u1ea5t t\u1ed1t h\u01a1n v\u1ec1 t\u00ednh ch\u1ecdn l\u1ecdc.<\/p>\n<p><strong>Ti\u1ebft ki\u1ec7m kh\u00f4ng gian l\u00e0 bao nhi\u00eau trong m\u1ed9t t\u1ee7 \u0111i\u1ec7n 12 m\u1ea1ch \u0111i\u1ec3n h\u00ecnh?<\/strong><br \/>\nTrong m\u1ed9t t\u1ee7 \u0111i\u1ec7n m\u1ed9t pha 12 m\u1ea1ch, vi\u1ec7c s\u1eed d\u1ee5ng RCBO th\u01b0\u1eddng ti\u1ebft ki\u1ec7m t\u1eeb 2 \u0111\u1ebfn 4 module chi\u1ec1u r\u1ed9ng (36-72mm) so v\u1edbi c\u00e1ch b\u1ed1 tr\u00ed RCCB t\u1ea3i chia \u0111\u00f4i, cho ph\u00e9p s\u1eed d\u1ee5ng v\u1ecf t\u1ee7 nh\u1ecf h\u01a1n ho\u1eb7c c\u00f3 th\u00eam kh\u00f4ng gian cho vi\u1ec7c \u0111i d\u00e2y.<\/p>\n<p><strong>RCBO c\u00f3 \u0111\u1eaft h\u01a1n RCCB+MCB kh\u00f4ng?<\/strong><br \/>\nV\u1ec1 m\u1eb7t ph\u1ea7n c\u1ee9ng, c\u00e1c thi\u1ebft b\u1ecb RCBO ri\u00eang l\u1ebb th\u01b0\u1eddng \u0111\u1eaft h\u01a1n so v\u1edbi vi\u1ec7c mua m\u1ed9t RCCB v\u00e0 nhi\u1ec1u MCB. Tuy nhi\u00ean, khi b\u1ea1n t\u00ednh \u0111\u1ebfn th\u1eddi gian l\u1eafp \u0111\u1eb7t gi\u1ea3m (nh\u00e2n c\u00f4ng) v\u00e0 h\u1ec7 th\u1ed1ng c\u00e1p \u0111\u01a1n gi\u1ea3n h\u01a1n, s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 t\u1ed5ng chi ph\u00ed d\u1ef1 \u00e1n l\u00e0 t\u1ed1i thi\u1ec3u, v\u00e0 th\u01b0\u1eddng r\u1ebb h\u01a1n cho t\u00f9y ch\u1ecdn RCBO trong c\u00e1c b\u1ea3ng m\u1ea1ch ph\u1ee9c t\u1ea1p.<\/p>\n<p><strong>C\u1ea5u h\u00ecnh n\u00e0o mang l\u1ea1i t\u00ednh ch\u1ecdn l\u1ecdc t\u1ed1t h\u01a1n?<\/strong><br \/>\nRCBO mang l\u1ea1i kh\u1ea3 n\u0103ng ch\u1ecdn l\u1ecdc v\u01b0\u1ee3t tr\u1ed9i. N\u1ebfu x\u1ea3y ra s\u1ef1 c\u1ed1, ch\u1ec9 c\u00f3 RCBO c\u1ee5 th\u1ec3 cho m\u1ea1ch \u0111\u00f3 b\u1ecb ng\u1eaft. V\u1edbi c\u1ea5u h\u00ecnh RCCB+MCB, RCCB ch\u00ednh s\u1ebd ng\u1eaft, ng\u1eaft ngu\u1ed3n \u0111i\u1ec7n \u0111\u1ebfn t\u1ea5t c\u1ea3 c\u00e1c MCB li\u00ean quan \u0111\u1ebfn n\u00f3 (th\u01b0\u1eddng l\u00e0 4-8 m\u1ea1ch).<\/p>\n<p><strong>V\u1ec1 b\u1ea3o tr\u00ec v\u00e0 \u0111\u1ed9 tin c\u1eady l\u00e2u d\u00e0i th\u00ec sao?<\/strong><br \/>\nRCBO gi\u00fap \u0111\u01a1n gi\u1ea3n h\u00f3a vi\u1ec7c b\u1ea3o tr\u00ec v\u00ec vi\u1ec7c t\u00ecm ki\u1ebfm l\u1ed7i x\u1ea3y ra ngay l\u1eadp t\u1ee9c\u2014b\u1ea1n bi\u1ebft ch\u00ednh x\u00e1c m\u1ea1ch n\u00e0o b\u1ecb l\u1ed7i ch\u1ea1m \u0111\u1ea5t. \u0110\u1ed9 tin c\u1eady l\u00e0 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng, m\u1eb7c d\u00f9 RCBO l\u00e0m gi\u1ea3m s\u1ed1 l\u01b0\u1ee3ng \u0111i\u1ec3m k\u1ebft n\u1ed1i (c\u00e1c \u0111i\u1ec3m c\u00f3 kh\u1ea3 n\u0103ng b\u1ecb l\u1ed7i) b\u00ean trong t\u1ee7 \u0111i\u1ec7n.<\/p>\n<p><strong>Khi n\u00e0o t\u00f4i n\u00ean ch\u1ecdn RCCB+MCB thay v\u00ec RCBO?<\/strong><br \/>\nCh\u1ecdn RCCB+MCB cho c\u00e1c d\u1ef1 \u00e1n d\u00e2n d\u1ee5ng quan tr\u1ecdng v\u1ec1 ng\u00e2n s\u00e1ch, n\u01a1i gi\u1ea3m thi\u1ec3u chi ph\u00ed ph\u1ea7n c\u1ee9ng tr\u1ea3 tr\u01b0\u1edbc l\u00e0 \u01b0u ti\u00ean duy nh\u1ea5t v\u00e0 n\u01a1i \u201cnh\u1ea3y aptomat g\u00e2y phi\u1ec1n to\u00e1i\u201d (m\u1ea5t nhi\u1ec1u m\u1ea1ch c\u00f9ng m\u1ed9t l\u00fac) \u0111\u01b0\u1ee3c coi l\u00e0 m\u1ed9t s\u1ef1 b\u1ea5t ti\u1ec7n ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c.<\/p>\n<\/div>\n<div class=\"simg-pop-btn\" style=\"top: 774.859px; left: 14px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 774.859px; left: 14px; display: none;\"><\/div>","protected":false},"excerpt":{"rendered":"<p>In the modern electrical landscape, the &#8220;spare space&#8221; in a distribution board has become a luxury. With the rapid integration of EV chargers, solar inverters, smart home automation modules, and surge protection devices (SPDs), panel builders are facing a critical density challenge. For decades, the standard configuration for residual current protection involved a &#8220;Split Load&#8221; [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":21291,"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-21289","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\/21289","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=21289"}],"version-history":[{"count":1,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/posts\/21289\/revisions"}],"predecessor-version":[{"id":21290,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/posts\/21289\/revisions\/21290"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/media\/21291"}],"wp:attachment":[{"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/media?parent=21289"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/categories?post=21289"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/tags?post=21289"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}