{"id":19934,"date":"2025-11-17T02:46:00","date_gmt":"2025-11-16T18:46:00","guid":{"rendered":"https:\/\/viox.com\/?p=19934"},"modified":"2025-11-17T11:17:05","modified_gmt":"2025-11-17T03:17:05","slug":"electrical-alphabet-soup-mccb-vs-rccb-explained","status":"publish","type":"post","link":"https:\/\/test.viox.com\/vi\/electrical-alphabet-soup-mccb-vs-rccb-explained\/","title":{"rendered":"\u201cB\u1ea3ng ch\u1eef c\u00e1i s\u00fap\u201d \u0111i\u1ec7n: Gi\u1ea3i m\u00e3 MCCB, RCCB, ELCB &amp; SPD m\u1ed9t l\u1ea7n v\u00e0 m\u00e3i m\u00e3i"},"content":{"rendered":"<div class=\"product-intro\">\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone size-full wp-image-19935\" src=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/the-electrical-alphabet-soup.webp\" alt=\"the electrical alphabet soup\" width=\"800\" height=\"800\" srcset=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/the-electrical-alphabet-soup.webp 800w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/the-electrical-alphabet-soup-300x300.webp 300w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/the-electrical-alphabet-soup-150x150.webp 150w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/the-electrical-alphabet-soup-768x768.webp 768w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/the-electrical-alphabet-soup-12x12.webp 12w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/the-electrical-alphabet-soup-600x600.webp 600w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/the-electrical-alphabet-soup-100x100.webp 100w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p><em>\u201cAnh b\u1ea1n, c\u00e1i qu\u00e1i g\u00ec v\u1eady... MCCB, RCCB, ELCB, SPD, GFCI... t\u1ea5t c\u1ea3 nh\u1eefng th\u1ee9 n\u00e0y l\u00e0 g\u00ec v\u1eady?!\u201d<\/em><\/p>\n<p>N\u1ebfu b\u1ea1n \u0111\u00e3 t\u1eebng nh\u00ecn ch\u1eb1m ch\u1eb1m v\u00e0o m\u1ed9t b\u1ea3ng \u0111i\u1ec7n hi\u1ec7n \u0111\u1ea1i v\u00e0 c\u1ea3m th\u1ea5y ch\u00ednh x\u00e1c n\u1ed7i kinh ho\u00e0ng n\u00e0y, th\u00ec b\u1ea1n kh\u00f4ng h\u1ec1 \u0111\u01a1n \u0111\u1ed9c. \u0110\u00f3 l\u00e0 m\u1ed9t m\u1edb h\u1ed7n \u0111\u1ed9n c\u00e1c ch\u1eef vi\u1ebft t\u1eaft tr\u00f4ng gi\u1ed1ng nh\u01b0 c\u00e1c b\u1ed9 ng\u1eaft m\u1ea1ch, c\u00f3 gi\u00e1 kh\u00e1c nhau v\u00e0 d\u01b0\u1eddng nh\u01b0 t\u1ea5t c\u1ea3 \u0111\u1ec1u... <em>l\u00e0m m\u1ed9t c\u00e1i g\u00ec \u0111\u00f3<\/em>.<\/p>\n<p>\u0110\u00f3 l\u00e0 r\u00e0o c\u1ea3n l\u1edbn nh\u1ea5t \u0111\u1ed1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi h\u1ecdc vi\u1ec7c, k\u1ef9 s\u01b0 v\u00e0 th\u1eadm ch\u00ed c\u1ea3 ch\u1ee7 nh\u00e0 khi c\u1ed1 g\u1eafng hi\u1ec3u c\u00e1c h\u1ec7 th\u1ed1ng an to\u00e0n c\u1ee7a ri\u00eang h\u1ecd.<\/p>\n<p>H\u00f4m nay, ch\u00fang ta s\u1ebd ch\u1ea5m d\u1ee9t s\u1ef1 nh\u1ea7m l\u1eabn n\u00e0y.<\/p>\n<p>\u0110i\u1ec1u quan tr\u1ecdng nh\u1ea5t b\u1ea1n c\u1ea7n bi\u1ebft l\u00e0 m\u1ed9t s\u1ef1 th\u1eadt g\u00e2y s\u1ed1c (ch\u01a1i ch\u1eef):<\/p>\n<blockquote><p><strong>90% c\u00e1c b\u1ed9 ng\u1eaft m\u1ea1ch trong b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n kh\u00f4ng quan t\u00e2m \u0111\u1ebfn cu\u1ed9c s\u1ed1ng c\u1ee7a b\u1ea1n.<\/strong> Ch\u00fang kh\u00f4ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 b\u1ea3o v\u1ec7 <em>b\u1ea1n<\/em>.<\/p><\/blockquote>\n<p>Khi b\u1ea1n hi\u1ec3u \u0111\u01b0\u1ee3c s\u1ef1 th\u1eadt duy nh\u1ea5t n\u00e0y, to\u00e0n b\u1ed9 m\u1edb h\u1ed7n \u0111\u1ed9n ch\u1eef c\u00e1i s\u1ebd tr\u1edf n\u00ean r\u00f5 r\u00e0ng. B\u1ea1n kh\u00f4ng nh\u00ecn v\u00e0o m\u1ed9t h\u1ed9p c\u00f4ng t\u1eafc; b\u1ea1n \u0111ang nh\u00ecn v\u00e0o m\u1ed9t \u0111\u1ed9i ng\u0169 b\u1ea3o v\u1ec7 an ninh chuy\u00ean nghi\u1ec7p cao. V\u00e0 h\u1ecd c\u00f3 nh\u1eefng c\u00f4ng vi\u1ec7c r\u1ea5t kh\u00e1c nhau.<\/p>\n<p>H\u00e3y g\u1eb7p g\u1ee1 \u0111\u1ed9i.<\/p>\n<hr \/>\n<h2>1. \u201cC\u01a1 b\u1eafp\u201d (B\u1ea3o v\u1ec7 Ch\u1ed1ng Ch\u00e1y): MCB \/ MCCB<\/h2>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-19936\" src=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Muscle22-Fire-Protection-MCB-MCCB.webp\" alt=\"The &quot;Muscle&quot; (Fire Protection): MCB \/ MCCB\" width=\"800\" height=\"800\" srcset=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Muscle22-Fire-Protection-MCB-MCCB.webp 800w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Muscle22-Fire-Protection-MCB-MCCB-300x300.webp 300w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Muscle22-Fire-Protection-MCB-MCCB-150x150.webp 150w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Muscle22-Fire-Protection-MCB-MCCB-768x768.webp 768w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Muscle22-Fire-Protection-MCB-MCCB-12x12.webp 12w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Muscle22-Fire-Protection-MCB-MCCB-600x600.webp 600w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Muscle22-Fire-Protection-MCB-MCCB-100x100.webp 100w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<ul>\n<li><strong>T\u00ean \u0111\u1ea7y \u0111\u1ee7:<\/strong>\n<ul>\n<li><strong><a href=\"https:\/\/test.viox.com\/vi\/mcb\/\">MCB<\/a>:<\/strong> M\u00e1y c\u1eaft m\u1ea1ch thu nh\u1ecf<\/li>\n<li><strong><a href=\"https:\/\/test.viox.com\/vi\/mccb\/\">MCCB<\/a>:<\/strong> M\u00e1y c\u1eaft m\u1ea1ch v\u1ecf \u0111\u00fac<\/li>\n<\/ul>\n<\/li>\n<li><strong>S\u1ef1 t\u01b0\u01a1ng t\u1ef1:<\/strong> \u0110\u00e2y l\u00e0 nh\u1eefng <strong>\u201cG\u00e3 c\u1ee9ng\u201d ho\u1eb7c \u201cC\u01a1 b\u1eafp\u201d<\/strong> c\u1ee7a nh\u00f3m.<\/li>\n<li><strong>C\u00f4ng vi\u1ec7c c\u1ee7a n\u00f3:<\/strong> \u0110\u1ec3 b\u1ea3o v\u1ec7 <strong>T\u00c0I S\u1ea2N<\/strong>. M\u1ee5c ti\u00eau duy nh\u1ea5t c\u1ee7a n\u00f3 l\u00e0 ng\u0103n ch\u1eb7n d\u00e2y \u0111i\u1ec7n trong t\u01b0\u1eddng nh\u00e0 b\u1ea1n b\u1eaft l\u1eeda.<\/li>\n<li><strong>K\u1ebb th\u00f9 c\u1ee7a n\u00f3:<\/strong>\n<ol>\n<li><strong><a href=\"https:\/\/test.viox.com\/vi\/what-is-circuit-overload\/\">Qu\u00e1 t\u1ea3i<\/a>:<\/strong> B\u1ea1n c\u1eafm l\u00f2 vi s\u00f3ng 20A v\u00e0o m\u1ea1ch 15A. \u201cC\u01a1 b\u1eafp\u201d th\u1ea5y d\u00e2y n\u00f3ng l\u00ean nguy hi\u1ec3m v\u00e0 ng\u1eaft m\u1ea1ch.<\/li>\n<li><strong>\u0110o\u1ea3n m\u1ea1ch:<\/strong> D\u00e2y n\u00f3ng v\u00e0 d\u00e2y trung t\u00ednh ch\u1ea1m v\u00e0o nhau. D\u00f2ng \u0111i\u1ec7n t\u0103ng \u0111\u1ed9t bi\u1ebfn l\u00ean 1000A. \u201cC\u01a1 b\u1eafp\u201d th\u1ea5y m\u1ed1i \u0111e d\u1ecda l\u1edbn, d\u1eef d\u1ed9i n\u00e0y v\u00e0 ng\u1eaft m\u1ea1ch ngay l\u1eadp t\u1ee9c.<\/li>\n<\/ol>\n<\/li>\n<li><strong>\u0110i\u1ec3m m\u00f9 c\u1ee7a n\u00f3:<\/strong> N\u00f3 th\u00ec <strong>kh\u1ecfe, nh\u01b0ng \u201cngu ng\u1ed1c\u201d.\u201d<\/strong> N\u00f3 kh\u00f4ng nh\u1ea1y c\u1ea3m v\u1edbi <em>nh\u1ecf<\/em> d\u00f2ng \u0111i\u1ec7n.<\/li>\n<\/ul>\n<p>N\u1ebfu d\u00f2ng \u0111i\u1ec7n 30mA (0,03A) ch\u1ea1y qua tim b\u1ea1n v\u00e0 xu\u1ed1ng \u0111\u1ea5t, \u201cC\u01a1 b\u1eafp\u201d kh\u00f4ng th\u1ec3 nh\u00ecn th\u1ea5y n\u00f3. \u0110\u1ed1i v\u1edbi b\u1ed9 ng\u1eaft m\u1ea1ch 15A, 0,03A th\u1eadm ch\u00ed kh\u00f4ng ph\u1ea3i l\u00e0 ti\u1ebfng \u1ed3n xung quanh. N\u00f3 s\u1ebd vui v\u1ebb \u0111\u1ec3 b\u1ea1n ch\u1ebft trong khi n\u00f3 b\u1ea3o v\u1ec7 d\u00e2y \u0111i\u1ec7n.<\/p>\n<h2>2. \u201cTh\u1ea7n kinh\u201d (B\u1ea3o v\u1ec7 S\u1ef1 s\u1ed1ng): RCCB \/ ELCB \/ GFCI<\/h2>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-19938\" src=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Nerves22-Life-Protection-RCCB-ELCB-GFCI.webp\" alt=\"The &quot;Nerves&quot; (Life Protection): RCCB \/ ELCB \/ GFCI\" width=\"800\" height=\"800\" srcset=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Nerves22-Life-Protection-RCCB-ELCB-GFCI.webp 800w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Nerves22-Life-Protection-RCCB-ELCB-GFCI-300x300.webp 300w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Nerves22-Life-Protection-RCCB-ELCB-GFCI-150x150.webp 150w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Nerves22-Life-Protection-RCCB-ELCB-GFCI-768x768.webp 768w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Nerves22-Life-Protection-RCCB-ELCB-GFCI-12x12.webp 12w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Nerves22-Life-Protection-RCCB-ELCB-GFCI-600x600.webp 600w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Nerves22-Life-Protection-RCCB-ELCB-GFCI-100x100.webp 100w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<ul>\n<li><strong>T\u00ean \u0111\u1ea7y \u0111\u1ee7:<\/strong>\n<ul>\n<li><strong><a href=\"https:\/\/test.viox.com\/vi\/rccb\/\">RCCB<\/a>:<\/strong> B\u1ed9 ng\u1eaft m\u1ea1ch d\u00f2ng d\u01b0<\/li>\n<li><strong>ELCB:<\/strong> B\u1ed9 ng\u1eaft m\u1ea1ch r\u00f2 r\u1ec9 \u0111\u1ea5t (m\u1ed9t thu\u1eadt ng\u1eef c\u0169 h\u01a1n, hi\u1ec7n nay ph\u1ea7n l\u1edbn \u0111\u01b0\u1ee3c thay th\u1ebf b\u1eb1ng RCCB)<\/li>\n<li><strong>GFCI:<\/strong> B\u1ed9 ng\u1eaft m\u1ea1ch l\u1ed7i n\u1ed1i \u0111\u1ea5t (thu\u1eadt ng\u1eef B\u1eafc M\u1ef9)<\/li>\n<\/ul>\n<\/li>\n<li><strong>S\u1ef1 t\u01b0\u01a1ng t\u1ef1:<\/strong> \u0110\u00e2y l\u00e0 nh\u1eefng <strong>\u201cTh\u00e1m t\u1eed nh\u1ea1y b\u00e9n\u201d ho\u1eb7c \u201cTh\u1ea7n kinh\u201d<\/strong> c\u1ee7a h\u1ec7 th\u1ed1ng.<\/li>\n<li><strong>C\u00f4ng vi\u1ec7c c\u1ee7a n\u00f3:<\/strong> \u0110\u1ec3 b\u1ea3o v\u1ec7 <strong>CON NG\u01af\u1edcI<\/strong>. M\u1ee5c ti\u00eau duy nh\u1ea5t c\u1ee7a n\u00f3 l\u00e0 ng\u0103n b\u1ea1n b\u1ecb \u0111i\u1ec7n gi\u1eadt.<\/li>\n<li><strong>K\u1ebb th\u00f9 c\u1ee7a n\u00f3:<\/strong> <strong>D\u00f2ng \u0111i\u1ec7n r\u00f2 r\u1ec9.<\/strong><\/li>\n<li><strong>C\u00e1ch n\u00f3 ho\u1ea1t \u0111\u1ed9ng:<\/strong> Th\u00e1m t\u1eed n\u00e0y gi\u1eef m\u1ed9t chi\u1ebfc m\u00e1y t\u00ednh nh\u1ecf. N\u00f3 li\u00ean t\u1ee5c \u0111o d\u00f2ng \u0111i\u1ec7n \u0111i <em>ra<\/em> tr\u00ean d\u00e2y n\u00f3ng v\u00e0 d\u00f2ng \u0111i\u1ec7n \u0111\u1ebfn <em>tr\u1edf l\u1ea1i<\/em> tr\u00ean d\u00e2y trung t\u00ednh. Ch\u00fang ph\u1ea3i ho\u00e0n to\u00e0n c\u00e2n b\u1eb1ng.<\/li>\n<li>Ngay khi n\u00f3 ph\u00e1t hi\u1ec7n ra s\u1ef1 kh\u00f4ng ph\u00f9 h\u1ee3p\u2014ngay c\u1ea3 30mA (0,03A) \u201cr\u00f2 r\u1ec9\u201d (v\u00ed d\u1ee5: qua c\u01a1 th\u1ec3 b\u1ea1n v\u00e0o s\u00e0n \u01b0\u1edbt)\u2014n\u00f3 s\u1ebd h\u00e9t l\u00ean \u201cAi \u0111\u00f3 \u0111ang ch\u1ebft!\u201d v\u00e0 ng\u1eaft m\u1ea1ch trong mili gi\u00e2y.<\/li>\n<li><strong>\u0110i\u1ec3m m\u00f9 c\u1ee7a n\u00f3:<\/strong> N\u00f3 th\u00ec <strong>nh\u1ea1y c\u1ea3m, nh\u01b0ng \u201cy\u1ebfu\u201d.\u201d<\/strong> RCCB kh\u00f4ng c\u00f3 \u201cC\u01a1 b\u1eafp\u201d. N\u00f3 cung c\u1ea5p <em>zero<\/em> b\u1ea3o v\u1ec7 qu\u00e1 t\u1ea3i ho\u1eb7c ng\u1eafn m\u1ea1ch. N\u1ebfu b\u1ea1n c\u1eafm t\u1ea3i 100A v\u00e0o m\u1ea1ch c\u1ee7a n\u00f3, n\u00f3 s\u1ebd vui v\u1ebb xem d\u00e2y \u0111i\u1ec7n tan ch\u1ea3y th\u00e0nh m\u1ed9t v\u0169ng l\u1eeda, mi\u1ec5n l\u00e0 kh\u00f4ng c\u00f3 d\u00f2ng \u0111i\u1ec7n n\u00e0o \u201cr\u00f2 r\u1ec9\u201d.\u201d<\/li>\n<\/ul>\n<hr \/>\n<h2>3. \u201cHybrid\u201d (T\u1ed1t nh\u1ea5t c\u1ee7a c\u1ea3 hai): RCBO<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-19937\" src=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Hybrid22-The-Best-of-Both-RCBO.webp\" alt=\"The &quot;Hybrid&quot; (The Best of Both): RCBO\" width=\"800\" height=\"800\" srcset=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Hybrid22-The-Best-of-Both-RCBO.webp 800w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Hybrid22-The-Best-of-Both-RCBO-300x300.webp 300w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Hybrid22-The-Best-of-Both-RCBO-150x150.webp 150w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Hybrid22-The-Best-of-Both-RCBO-768x768.webp 768w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Hybrid22-The-Best-of-Both-RCBO-12x12.webp 12w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Hybrid22-The-Best-of-Both-RCBO-600x600.webp 600w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Hybrid22-The-Best-of-Both-RCBO-100x100.webp 100w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<ul>\n<li><strong>T\u00ean \u0111\u1ea7y \u0111\u1ee7:<\/strong> B\u1ed9 ng\u1eaft m\u1ea1ch d\u00f2ng d\u01b0 c\u00f3 b\u1ea3o v\u1ec7 qu\u00e1 d\u00f2ng<\/li>\n<li><strong>S\u1ef1 t\u01b0\u01a1ng t\u1ef1:<\/strong> \u0110\u00e2y l\u00e0 nh\u1eefng <strong>\u201c\u0110\u1ed9i SWAT\u201d<\/strong>\u2014s\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa \u201cC\u01a1 b\u1eafp\u201d v\u00e0 \u201cTh\u1ea7n kinh\u201d.<\/li>\n<li><strong>C\u00f4ng vi\u1ec7c c\u1ee7a n\u00f3:<\/strong> \u0110\u1ec3 b\u1ea3o v\u1ec7 <strong>CON NG\u01af\u1edcI v\u00e0 T\u00c0I S\u1ea2N<\/strong>.<\/li>\n<li><strong>C\u00e1ch n\u00f3 ho\u1ea1t \u0111\u1ed9ng:<\/strong> N\u00f3 l\u00e0 m\u1ed9t MCB v\u00e0 m\u1ed9t RCCB h\u1ee3p nh\u1ea5t th\u00e0nh m\u1ed9t thi\u1ebft b\u1ecb duy nh\u1ea5t. N\u00f3 s\u1ebd ng\u1eaft m\u1ea1ch khi:\n<ol>\n<li>Qu\u00e1 t\u1ea3i (Ch\u00e1y)<\/li>\n<li>\u0110o\u1ea3n m\u1ea1ch (Ch\u00e1y)<\/li>\n<li>D\u00f2ng \u0111i\u1ec7n r\u00f2 r\u1ec9 (S\u1ef1 s\u1ed1ng)<\/li>\n<\/ol>\n<\/li>\n<li><strong>\u0110i\u1ec3m m\u00f9 c\u1ee7a n\u00f3:<\/strong> Kh\u00f4ng c\u00f3 g\u00ec c\u1ea3. \u0110\u00e2y l\u00e0 gi\u1ea3i ph\u00e1p t\u1ea5t c\u1ea3 trong m\u1ed9t hi\u1ec7n \u0111\u1ea1i. \u201cNh\u01b0\u1ee3c \u0111i\u1ec3m\u201d duy nh\u1ea5t c\u1ee7a n\u00f3 l\u00e0 n\u00f3 \u0111\u1eaft h\u01a1n v\u00e0 (theo truy\u1ec1n th\u1ed1ng) r\u1ed9ng h\u01a1n m\u1ed9t MCB \u0111\u01a1n gi\u1ea3n.<\/li>\n<\/ul>\n<hr \/>\n<h2>4. \u201cC\u00e1c chuy\u00ean gia\u201d (Ph\u1ea7n c\u00f2n l\u1ea1i c\u1ee7a \u0111\u1ed9i)<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-19939\" src=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Specialists22-The-Rest-of-the-Team.webp\" alt=\"The &quot;Specialists&quot; (The Rest of the Team)\" width=\"800\" height=\"800\" srcset=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Specialists22-The-Rest-of-the-Team.webp 800w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Specialists22-The-Rest-of-the-Team-300x300.webp 300w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Specialists22-The-Rest-of-the-Team-150x150.webp 150w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Specialists22-The-Rest-of-the-Team-768x768.webp 768w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Specialists22-The-Rest-of-the-Team-12x12.webp 12w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Specialists22-The-Rest-of-the-Team-600x600.webp 600w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Specialists22-The-Rest-of-the-Team-100x100.webp 100w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>B\u1ea1n \u0111\u00e3 c\u00f3 nh\u1eefng ng\u01b0\u1eddi b\u1ea3o v\u1ec7 ch\u00ednh \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7. B\u00e2y gi\u1edd l\u00e0 c\u00e1c ho\u1ea1t \u0111\u1ed9ng \u0111\u1eb7c bi\u1ec7t.<\/p>\n<h3>\u201cL\u00e1 ch\u1eafn\u201d (B\u1ea3o v\u1ec7 ch\u1ed1ng xung \u0111i\u1ec7n): <a href=\"https:\/\/test.viox.com\/vi\/spd\/\">SPD<\/a><\/h3>\n<ul>\n<li><strong>T\u00ean \u0111\u1ea7y \u0111\u1ee7:<\/strong> Thi\u1ebft b\u1ecb ch\u1ed1ng s\u00e9t lan truy\u1ec1n<\/li>\n<li><strong>S\u1ef1 t\u01b0\u01a1ng t\u1ef1:<\/strong> \u0110\u00e2y l\u00e0 nh\u1eefng <strong>\u201cKhi\u00ean Ch\u1ed1ng B\u1ea1o Lo\u1ea1n\u201d<\/strong> ho\u1eb7c \u201cNg\u01b0\u1eddi H\u00f9ng Hy Sinh.\u201d<\/li>\n<li><strong>C\u00f4ng vi\u1ec7c c\u1ee7a n\u00f3:<\/strong> \u0110\u1ec3 b\u1ea3o v\u1ec7 c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed \u0111\u1eaft ti\u1ec1n c\u1ee7a b\u1ea1n kh\u1ecfi <strong>Qu\u00e1 \u00e1p<\/strong>.<\/li>\n<li><strong>K\u1ebb th\u00f9 c\u1ee7a n\u00f3:<\/strong> S\u00e9t \u0111\u00e1nh, t\u0103ng \u0111i\u1ec7n \u00e1p l\u01b0\u1edbi ho\u1eb7c kh\u1edfi \u0111\u1ed9ng \u0111\u1ed9ng c\u01a1 l\u1edbn.<\/li>\n<li><strong>C\u00e1ch n\u00f3 ho\u1ea1t \u0111\u1ed9ng:<\/strong> N\u00f3 \u00e2m th\u1ea7m ho\u1ea1t \u0111\u1ed9ng \u1edf ch\u1ebf \u0111\u1ed9 n\u1ec1n, \u201cv\u00f4 h\u00ecnh\u201d. Nh\u01b0ng khi n\u00f3 ph\u00e1t hi\u1ec7n m\u1ed9t xung s\u00e9t 10.000V truy\u1ec1n \u0111\u1ebfn, n\u00f3 ngay l\u1eadp t\u1ee9c lao v\u00e0o ph\u00eda tr\u01b0\u1edbc xung \u0111i\u1ec7n, chuy\u1ec3n h\u01b0\u1edbng n\u00f3 m\u1ed9t c\u00e1ch an to\u00e0n xu\u1ed1ng \u0111\u1ea5t v\u00e0 hy sinh b\u1ea3n th\u00e2n \u0111\u1ec3 c\u1ee9u TV tr\u1ecb gi\u00e1 3.000 \u0111\u00f4 la c\u1ee7a b\u1ea1n.<\/li>\n<\/ul>\n<h3>\u201cB\u1ea3o hi\u1ec3m\u201d (B\u1ea3o v\u1ec7 d\u1eef li\u1ec7u): UPS<\/h3>\n<ul>\n<li><strong>T\u00ean \u0111\u1ea7y \u0111\u1ee7:<\/strong> B\u1ed9 l\u01b0u \u0111i\u1ec7n<\/li>\n<li><strong>S\u1ef1 t\u01b0\u01a1ng t\u1ef1:<\/strong> \u0110\u00e2y l\u00e0 <strong>\u201cM\u00e1y ph\u00e1t \u0111i\u1ec7n d\u1ef1 ph\u00f2ng t\u1ea1i ch\u1ed7\u201d + \u201cB\u1ed9 l\u1ecdc n\u01b0\u1edbc\u201d.\u201d<\/strong><\/li>\n<li><strong>C\u00f4ng vi\u1ec7c c\u1ee7a n\u00f3:<\/strong> \u0110\u1ec3 cung c\u1ea5p <strong>T\u00cdNH LI\u00caN T\u1ee4C<\/strong>.<\/li>\n<li><strong>C\u00e1ch n\u00f3 ho\u1ea1t \u0111\u1ed9ng:<\/strong> N\u00f3 kh\u00f4ng th\u1ef1c s\u1ef1 l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7, m\u00e0 l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a h\u1ec7 th\u1ed1ng.\n<ol>\n<li><strong>B\u1ed9 l\u1ecdc:<\/strong> N\u00f3 \u201cl\u00e0m s\u1ea1ch\u201d ngu\u1ed3n \u0111i\u1ec7n b\u1ea9n t\u1eeb l\u01b0\u1edbi \u0111i\u1ec7n, cung c\u1ea5p \u0111i\u1ec7n \u00e1p \u1ed5n \u0111\u1ecbnh cho m\u00e1y t\u00ednh nh\u1ea1y c\u1ea3m c\u1ee7a b\u1ea1n.<\/li>\n<li><strong>Sao l\u01b0u:<\/strong> Khi m\u1ea5t \u0111i\u1ec7n, pin c\u1ee7a n\u00f3 s\u1ebd ngay l\u1eadp t\u1ee9c ti\u1ebfp qu\u1ea3n, cho b\u1ea1n 10 ph\u00fat \u0111\u1ec3 l\u01b0u c\u00f4ng vi\u1ec7c v\u00e0 t\u1eaft m\u00e1y an to\u00e0n.<\/li>\n<\/ol>\n<\/li>\n<\/ul>\n<hr \/>\n<h2>K\u1ebft lu\u1eadn: N\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 \u201cS\u00fap\u201d, m\u00e0 l\u00e0 \u201cPh\u00f2ng th\u1ee7 chi\u1ec1u s\u00e2u\u201d<\/h2>\n<p>H\u1ed9p ch\u1eef c\u00e1i g\u00e2y nh\u1ea7m l\u1eabn \u0111\u00f3 ho\u00e0n to\u00e0n kh\u00f4ng ph\u1ea3i l\u00e0 \u201cs\u00fap ch\u1eef c\u00e1i\u201d. \u0110\u00f3 l\u00e0 m\u1ed9t chi\u1ebfn l\u01b0\u1ee3c \u201cPh\u00f2ng th\u1ee7 chi\u1ec1u s\u00e2u\u201d, n\u01a1i m\u1ed9t nh\u00f3m c\u00e1c chuy\u00ean gia l\u00e0m vi\u1ec7c c\u00f9ng nhau \u0111\u1ec3 gi\u1eef cho b\u1ea1n an to\u00e0n.<\/p>\n<ul>\n<li><strong>MCCB \/ MCB (\u201cC\u01a1 b\u1eafp\u201d):<\/strong> B\u1ea3o v\u1ec7 ng\u00f4i nh\u00e0 c\u1ee7a b\u1ea1n kh\u1ecfi <strong>H\u1ecfa ho\u1ea1n<\/strong>.<\/li>\n<li><strong>RCCB \/ GFCI (\u201cD\u00e2y th\u1ea7n kinh\u201d):<\/strong> B\u1ea3o v\u1ec7 <em>b\u1ea1n<\/em> t\u1eeb <strong>S\u1ed1c<\/strong>.<\/li>\n<li><strong>RCBO (\u201cLo\u1ea1i lai\u201d):<\/strong> B\u1ea3o v\u1ec7 c\u1ea3 hai.<\/li>\n<li><strong>SPD (\u201cL\u00e1 ch\u1eafn\u201d):<\/strong> B\u1ea3o v\u1ec7 thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n kh\u1ecfi <strong>Xung \u0111i\u1ec7n<\/strong>.<\/li>\n<li><strong>UPS (\u201cB\u1ea3o hi\u1ec3m\u201d):<\/strong> B\u1ea3o v\u1ec7 d\u1eef li\u1ec7u c\u1ee7a b\u1ea1n kh\u1ecfi <strong>M\u1ea5t \u0111i\u1ec7n<\/strong>.<\/li>\n<\/ul>\n<p>L\u1ea7n t\u1edbi khi b\u1ea1n m\u1edf m\u1ed9t b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n, b\u1ea1n kh\u00f4ng nh\u00ecn th\u1ea5y \u201cWTF\u201d. B\u1ea1n \u0111ang nh\u00ecn v\u00e0o m\u1ed9t \u0111\u1ed9i ng\u0169 v\u1ec7 s\u0129, th\u00e1m t\u1eed v\u00e0 l\u00e1 ch\u1eafn \u0111\u01b0\u1ee3c t\u1ed5 ch\u1ee9c t\u1ed1t, t\u1ea5t c\u1ea3 \u0111\u1ec1u l\u00e0m ph\u1ea7n vi\u1ec7c c\u1ee7a m\u00ecnh.<\/p>\n<hr \/>\n<h2>K\u1ef9 Thu\u1eadt Ch\u00ednh X\u00e1c Ch\u00fa \u00dd<\/h2>\n<ul>\n<li><strong>Ti\u00eau chu\u1ea9n:<\/strong> C\u00e1c thi\u1ebft b\u1ecb n\u00e0y \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh b\u1edfi c\u00e1c ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf nh\u01b0 <strong>IEC 60947<\/strong> (cho MCCB), <strong>TRUY\u1ec0N th\u00f4ng 60898<\/strong> (cho MCB), <strong>Ti\u00eau chu\u1ea9n IEC 61009<\/strong> (cho RCBO), <strong>Ti\u00eau chu\u1ea9n IEC 61008<\/strong> (cho RCCB), v\u00e0 <strong>Ti\u00eau chu\u1ea9n IEC 61643<\/strong> (cho SPD).<\/li>\n<li><strong>K\u1ecbp th\u1eddi:<\/strong> B\u00e0i vi\u1ebft n\u00e0y \u0111\u1ec1 c\u1eadp \u0111\u1ebfn thu\u1eadt ng\u1eef th\u00f4ng th\u01b0\u1eddng t\u00ednh \u0111\u1ebfn th\u00e1ng 11 n\u0103m 2025. \u201cELCB\u201d l\u00e0 m\u1ed9t thu\u1eadt ng\u1eef c\u0169 h\u01a1n; \u201cRCCB\u201d l\u00e0 thu\u1eadt ng\u1eef IEC hi\u1ec7n \u0111\u1ea1i t\u01b0\u01a1ng \u0111\u01b0\u01a1ng. \u201cGFCI\u201d l\u00e0 thu\u1eadt ng\u1eef ph\u1ed5 bi\u1ebfn \u1edf B\u1eafc M\u1ef9 (UL 943), c\u00f3 ch\u1ee9c n\u0103ng t\u01b0\u01a1ng t\u1ef1 nh\u01b0 RCCB nh\u01b0ng th\u01b0\u1eddng c\u00f3 c\u00e1c ng\u01b0\u1ee1ng ng\u1eaft kh\u00e1c nhau (v\u00ed d\u1ee5: 5mA).<\/li>\n<li><strong>S\u1ea3n ph\u1ea9m VIOX:<\/strong> VIOX Electric s\u1ea3n xu\u1ea5t \u0111\u1ea7y \u0111\u1ee7 c\u00e1c gi\u1ea3i ph\u00e1p \u201cPh\u00f2ng th\u1ee7 chi\u1ec1u s\u00e2u\u201d n\u00e0y, \u0111\u1ea3m b\u1ea3o m\u1ecdi chuy\u00ean gia trong nh\u00f3m c\u1ee7a b\u1ea1n \u0111\u1ec1u l\u00e0 t\u1ed1t nh\u1ea5t trong ph\u00e2n kh\u00fac.<\/li>\n<\/ul>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>&#8220;Bro, wtf&#8230; MCCB, RCCB, ELCB, SPD, GFCI&#8230; what is all this?!&#8221; If you\u2019ve ever stared into a modern electrical panel and felt this exact sense of dread, you are not alone. It\u2019s an alphabet soup of abbreviations that all look like breakers, all cost different amounts, and all seem to do&#8230; something. It\u2019s the number [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":19942,"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-19934","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\/19934","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=19934"}],"version-history":[{"count":2,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/posts\/19934\/revisions"}],"predecessor-version":[{"id":19941,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/posts\/19934\/revisions\/19941"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/media\/19942"}],"wp:attachment":[{"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/media?parent=19934"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/categories?post=19934"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/tags?post=19934"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}