{"id":19978,"date":"2025-11-20T01:24:00","date_gmt":"2025-11-19T17:24:00","guid":{"rendered":"https:\/\/viox.com\/?p=19978"},"modified":"2025-11-14T14:24:59","modified_gmt":"2025-11-14T06:24:59","slug":"switchboard-vs-switchgear","status":"publish","type":"post","link":"https:\/\/test.viox.com\/vi\/switchboard-vs-switchgear\/","title":{"rendered":"So s\u00e1nh T\u1ee7 \u0111i\u1ec7n ph\u00e2n ph\u1ed1i v\u00e0 Thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft: S\u1ef1 kh\u00e1c bi\u1ec7t th\u1ef1c s\u1ef1 (Kh\u00f4ng ch\u1ec9 l\u00e0 \u0111i\u1ec7n \u00e1p)"},"content":{"rendered":"<div class=\"product-intro\">\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone size-full wp-image-19982\" src=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/Switchboard-vs-Switchgear1.webp\" alt=\"Switchboard vs Switchgear\" width=\"800\" height=\"800\" srcset=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/Switchboard-vs-Switchgear1.webp 800w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/Switchboard-vs-Switchgear1-300x300.webp 300w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/Switchboard-vs-Switchgear1-150x150.webp 150w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/Switchboard-vs-Switchgear1-768x768.webp 768w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/Switchboard-vs-Switchgear1-12x12.webp 12w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/Switchboard-vs-Switchgear1-600x600.webp 600w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/Switchboard-vs-Switchgear1-100x100.webp 100w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>\u0110\u1ed1i v\u1edbi m\u1ed9t ng\u01b0\u1eddi h\u1ecdc vi\u1ec7c, \u201cT\u1ee7 \u0111i\u1ec7n ph\u00e2n ph\u1ed1i\u201d v\u00e0 \u201cThi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft\u201d nghe c\u00f3 v\u1ebb gi\u1ed1ng nhau: ch\u1ec9 l\u00e0 hai t\u1eeb kh\u00e1c nhau cho \u201ch\u1ed9p kim lo\u1ea1i l\u1edbn ch\u1ee9a t\u1ea5t c\u1ea3 c\u00e1c <a href=\"https:\/\/test.viox.com\/vi\/mcb\/\">m\u00e1y c\u1eaft<\/a>.&#8221;<\/p>\n<p>\u0110\u1ed1i v\u1edbi m\u1ed9t chuy\u00ean gia, \u0111\u00e2y l\u00e0 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa m\u1ed9t <strong>Con m\u00e8o nh\u00e0<\/strong> v\u00e0 m\u1ed9t <strong>Con h\u1ed5<\/strong>.<\/p>\n<p>Nh\u1ea7m l\u1eabn ch\u00fang c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t sai l\u1ea7m t\u1ed1n k\u00e9m\u2014ho\u1eb7c th\u1eadm ch\u00ed g\u00e2y t\u1eed vong.<\/p>\n<p>C\u00e2u tr\u1ea3 l\u1eddi \u201cl\u00ednh m\u1edbi\u201d ph\u1ed5 bi\u1ebfn l\u00e0 \u201cThi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft d\u00e0nh cho \u0111i\u1ec7n \u00e1p cao, v\u00e0 T\u1ee7 \u0111i\u1ec7n ph\u00e2n ph\u1ed1i d\u00e0nh cho \u0111i\u1ec7n \u00e1p th\u1ea5p.\u201d<\/p>\n<p>\u0110\u00e2y l\u00e0 nh\u1eefng <strong>Th\u1ea7n tho\u1ea1i #1<\/strong> trong ph\u00e2n ph\u1ed1i \u0111i\u1ec7n.<\/p>\n<p>M\u1eb7c d\u00f9 \u0111\u00fang m\u1ed9t ph\u1ea7n (\u0111i\u1ec7n \u00e1p cao <em>l\u00e0<\/em> lu\u00f4n l\u00e0 thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft), \u0111\u00f3 l\u00e0 m\u1ed9t c\u00e2u tr\u1ea3 l\u1eddi kh\u00f4ng \u0111\u1ea7y \u0111\u1ee7 m\u1ed9t c\u00e1ch nguy hi\u1ec3m v\u00ec <strong>\u201cThi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft \u0111i\u1ec7n \u00e1p th\u1ea5p\u201d ho\u00e0n to\u00e0n t\u1ed3n t\u1ea1i.<\/strong><\/p>\n<p>c\u00e1ch chuy\u00ean nghi\u1ec7p <em>b\u1ea5t<\/em> s\u1ef1 kh\u00e1c bi\u1ec7t? Kh\u00f4ng ph\u1ea3i l\u00e0 \u0111i\u1ec7n \u00e1p. \u0110\u00f3 l\u00e0 <strong>Tri\u1ebft l\u00fd thi\u1ebft k\u1ebf<\/strong>, \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh b\u1edfi hai ti\u00eau chu\u1ea9n UL ho\u00e0n to\u00e0n kh\u00e1c nhau.<\/p>\n<ul>\n<li><strong>T\u1ee7 \u0111i\u1ec7n ph\u00e2n ph\u1ed1i:<\/strong> \u0110\u01b0\u1ee3c x\u00e2y d\u1ef1ng theo <strong>UL 891<\/strong>. \u0110\u01b0\u1ee3c thi\u1ebft k\u1ebf cho <strong>Ph\u00e2n b\u1ed5<\/strong>.<\/li>\n<li><strong>Thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft:<\/strong> \u0110\u01b0\u1ee3c x\u00e2y d\u1ef1ng theo <strong>UL 1558<\/strong>. \u0110\u01b0\u1ee3c thi\u1ebft k\u1ebf cho <strong>S\u1ef1 s\u1ed1ng c\u00f2n<\/strong>.<\/li>\n<\/ul>\n<p>S\u1ef1 kh\u00e1c bi\u1ec7t n\u00e0y quy\u1ebft \u0111\u1ecbnh m\u1ecdi th\u1ee9: chi ph\u00ed, an to\u00e0n v\u00e0 (quan tr\u1ecdng nh\u1ea5t) c\u00e1ch b\u1ea1n <em>b\u1ea3o tr\u00ec<\/em> n\u00f3.<\/p>\n<hr \/>\n<h2>\u201cTh\u00f4ng tin chi ti\u1ebft v\u00e0ng\u201d: \u201cC\u1ed1 \u0111\u1ecbnh\u201d so v\u1edbi \u201cK\u00e9o ra\u201d<\/h2>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-19983\" src=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Golden-Insight22-22Fixed22-vs.-22Draw-out22.webp\" alt=\"The &quot;Golden Insight&quot;: &quot;Fixed&quot; vs. &quot;Draw-out&quot;\" width=\"800\" height=\"800\" srcset=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Golden-Insight22-22Fixed22-vs.-22Draw-out22.webp 800w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Golden-Insight22-22Fixed22-vs.-22Draw-out22-300x300.webp 300w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Golden-Insight22-22Fixed22-vs.-22Draw-out22-150x150.webp 150w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Golden-Insight22-22Fixed22-vs.-22Draw-out22-768x768.webp 768w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Golden-Insight22-22Fixed22-vs.-22Draw-out22-12x12.webp 12w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Golden-Insight22-22Fixed22-vs.-22Draw-out22-600x600.webp 600w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Golden-Insight22-22Fixed22-vs.-22Draw-out22-100x100.webp 100w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>\u0110\u00e2y l\u00e0 s\u1ef1 kh\u00e1c bi\u1ec7t \u201cc\u1ea5p \u0111\u1ed9 chuy\u00ean gia\u201d. Kh\u00f4ng ph\u1ea3i l\u00e0 c\u00e1i \u201ch\u1ed9p\u201d <em>kh\u00f4ng<\/em>; m\u00e0 l\u00e0 c\u00e1ch c\u00e1c b\u1ed9 ng\u1eaft m\u1ea1ch <em>\u0111i ra<\/em>.<\/p>\n<h3>1. T\u1ee7 \u0111i\u1ec7n ph\u00e2n ph\u1ed1i (UL 891) = \u201cC\u1ed1 \u0111\u1ecbnh\u201d (B\u1eaft v\u00edt)<\/h3>\n<p>T\u1ee7 \u0111i\u1ec7n ph\u00e2n ph\u1ed1i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf nh\u01b0 m\u1ed9t trung t\u00e2m \u201cph\u00e2n ph\u1ed1i\u201d. Tri\u1ebft l\u00fd c\u1ee7a n\u00f3 l\u00e0 <strong>\u201cc\u00e0i \u0111\u1eb7t n\u00f3 v\u00e0 \u0111\u1ec3 n\u00f3 y\u00ean.\u201d<\/strong><\/p>\n<p>C\u00e1c b\u1ed9 ng\u1eaft m\u1ea1ch (th\u01b0\u1eddng l\u00e0 B\u1ed9 ng\u1eaft m\u1ea1ch v\u1ecf \u0111\u00fac, ho\u1eb7c <a href=\"https:\/\/test.viox.com\/vi\/mccb\/\">MCCBs<\/a>) \u0111\u1ec1u <strong>\u201cC\u1ed1 \u0111\u1ecbnh\u201d<\/strong>\u2014ch\u00fang \u0111\u01b0\u1ee3c <strong>b\u1eaft v\u00edt<\/strong> tr\u1ef1c ti\u1ebfp l\u00ean thanh c\u00e1i ch\u00ednh.<\/p>\n<p>\u0110i\u1ec1u n\u00e0y \u0111\u01a1n gi\u1ea3n v\u00e0 (t\u01b0\u01a1ng \u0111\u1ed1i) r\u1ebb.<\/p>\n<p>Nh\u01b0ng \u0111i\u1ec1u g\u00ec s\u1ebd x\u1ea3y ra n\u1ebfu m\u1ed9t b\u1ed9 ng\u1eaft m\u1ea1ch 400A b\u1ecb h\u1ecfng? \u0110\u1ec3 thay th\u1ebf n\u00f3, b\u1ea1n <em>kh\u00f4ng c\u00f3 l\u1ef1a ch\u1ecdn n\u00e0o kh\u00e1c<\/em> ngo\u00e0i vi\u1ec7c <strong>ng\u1eaft \u0111i\u1ec7n to\u00e0n b\u1ed9 t\u1ee7 \u0111i\u1ec7n ph\u00e2n ph\u1ed1i.<\/strong> B\u1ea1n ph\u1ea3i t\u1eaft ngu\u1ed3n c\u1ea5p ch\u00ednh, l\u00e0m vi\u1ec7c trong b\u00f3ng t\u1ed1i, th\u00e1o b\u1ed9 ng\u1eaft m\u1ea1ch b\u1ecb h\u1ecfng kh\u1ecfi thanh c\u00e1i, b\u1eaft v\u00edt b\u1ed9 m\u1edbi v\u00e0o v\u00e0 sau \u0111\u00f3 c\u1ea5p l\u1ea1i \u0111i\u1ec7n.<\/p>\n<p>\u0110\u00f3 l\u00e0 m\u1ed9t s\u1ef1 c\u1ed1 ng\u1eebng ho\u1ea1t \u0111\u1ed9ng k\u00e9o d\u00e0i 4 gi\u1edd tr\u00ean to\u00e0n t\u00f2a nh\u00e0. N\u00f3 kh\u00f4ng <strong>kh\u00f4ng<\/strong> \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 b\u1ea3o tr\u00ec.<\/p>\n<h3>2. Thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft (UL 1558) = \u201cK\u00e9o ra\u201d (\u201cNg\u0103n k\u00e9o\u201d)<\/h3>\n<p>Thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft l\u00e0 m\u1ed9t \u201ch\u1ec7 th\u1ed1ng b\u1ea3o v\u1ec7 v\u00e0 \u0111i\u1ec1u khi\u1ec3n\u201d. Tri\u1ebft l\u00fd c\u1ee7a n\u00f3 l\u00e0 <strong>\u201cn\u00f3 ph\u1ea3i c\u00f3 kh\u1ea3 n\u0103ng b\u1ea3o tr\u00ec v\u00e0 n\u00f3 kh\u00f4ng \u0111\u01b0\u1ee3c h\u1ecfng.\u201d<\/strong><\/p>\n<p>C\u00e1c b\u1ed9 ng\u1eaft m\u1ea1ch (th\u01b0\u1eddng l\u00e0 \u201cB\u1ed9 ng\u1eaft m\u1ea1ch kh\u00f4ng kh\u00ed\u201d ho\u1eb7c <a href=\"https:\/\/test.viox.com\/vi\/fixed-type-vs-drawout-type-acb\/\">ACB<\/a>) \u0111\u1ec1u <strong>\u201cK\u00e9o ra.\u201d<\/strong> Ch\u00fang \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p v\u00e0o m\u1ed9t h\u1ec7 th\u1ed1ng \u201cng\u0103n k\u00e9o\u201d ho\u1eb7c \u201cxe \u0111\u1ea9y\u201d h\u1ea1ng n\u1eb7ng.<\/p>\n<p>T\u1ea1i sao \u0111i\u1ec1u n\u00e0y \u0111\u1eaft h\u01a1n g\u1ea5p 10 l\u1ea7n? B\u1edfi v\u00ec n\u00f3 l\u00e0 m\u1ed9t k\u1ef3 c\u00f4ng c\u1ee7a k\u1ef9 thu\u1eadt. M\u1ed9t k\u1ef9 thu\u1eadt vi\u00ean c\u00f3 th\u1ec3 (trong PPE ch\u1ed1ng h\u1ed3 quang \u0111i\u1ec7n \u0111\u1ea7y \u0111\u1ee7) m\u1edf c\u1eeda t\u1ee7, g\u1eafn tay c\u1ea7m \u201cracking\u201d v\u00e0 <em>\u0110\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 ph\u01b0\u01a1ng ph\u00e1p \"D\u00f9ng v\u0169 l\u1ef1c\" (ki\u1ec3u \"H\u00fat b\u1ee5i &amp; H\u00e9t\"). Ch\u1eafc ch\u1eafn<\/em> <strong>\u201ck\u00e9o ra\u201d<\/strong> b\u1ed9 ng\u1eaft m\u1ea1ch kh\u1ecfi <em>\u1ed5 c\u1eafm c\u00f3 \u0111i\u1ec7n<\/em> thanh c\u00e1i.<\/p>\n<p>B\u1ed9 ng\u1eaft m\u1ea1ch tr\u01b0\u1ee3t ra tr\u00ean ray v\u00e0 \u201cc\u1eeda ch\u1edbp\u201d c\u01a1 h\u1ecdc t\u1ef1 \u0111\u1ed9ng che c\u00e1c \u0111\u1ea7u n\u1ed1i thanh c\u00e1i \u0111ang ho\u1ea1t \u0111\u1ed9ng. B\u1ea1n k\u00e9o \u201cng\u0103n k\u00e9o\u201d ra, \u0111\u1ed5i n\u00f3 v\u1edbi m\u1ed9t c\u00e1i d\u1ef1 ph\u00f2ng v\u00e0 \u201cracking\u201d c\u00e1i m\u1edbi v\u00e0o.<\/p>\n<p>Trung t\u00e2m d\u1eef li\u1ec7u, ICU b\u1ec7nh vi\u1ec7n ho\u1eb7c d\u00e2y chuy\u1ec1n nh\u00e0 m\u00e1y <em>th\u1eadm ch\u00ed kh\u00f4ng bao gi\u1edd nh\u1ea5p nh\u00e1y.<\/em> B\u1ea1n \u0111ang tr\u1ea3 ti\u1ec1n cho <strong>th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng<\/strong>.<\/p>\n<hr \/>\n<h2>\u201cQu\u1ea3 c\u1ea7u l\u1eeda Plasma\u201d: M\u1ed9t c\u00e2u chuy\u1ec7n v\u1ec1 hai tri\u1ebft l\u00fd an to\u00e0n<\/h2>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-19984\" src=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Plasma-Fireball22-A-Tale-of-Two-Safety-Philosophies.webp\" alt=\"The &quot;Plasma Fireball&quot;: A Tale of Two Safety Philosophies\" width=\"800\" height=\"800\" srcset=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Plasma-Fireball22-A-Tale-of-Two-Safety-Philosophies.webp 800w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Plasma-Fireball22-A-Tale-of-Two-Safety-Philosophies-300x300.webp 300w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Plasma-Fireball22-A-Tale-of-Two-Safety-Philosophies-150x150.webp 150w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Plasma-Fireball22-A-Tale-of-Two-Safety-Philosophies-768x768.webp 768w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Plasma-Fireball22-A-Tale-of-Two-Safety-Philosophies-12x12.webp 12w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Plasma-Fireball22-A-Tale-of-Two-Safety-Philosophies-600x600.webp 600w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-22Plasma-Fireball22-A-Tale-of-Two-Safety-Philosophies-100x100.webp 100w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>Thi\u1ebft k\u1ebf \u201cC\u1ed1 \u0111\u1ecbnh\u201d so v\u1edbi \u201cK\u00e9o ra\u201d n\u00e0y ch\u1ec9 ra m\u1ed9t s\u1ef1 kh\u00e1c bi\u1ec7t s\u00e2u s\u1eafc h\u01a1n, quan tr\u1ecdng h\u01a1n trong tri\u1ebft l\u00fd an to\u00e0n.<\/p>\n<h3>T\u1ee7 \u0111i\u1ec7n ph\u00e2n ph\u1ed1i: \u201cPh\u00f2ng m\u1edf\u201d<\/h3>\n<p>T\u1ee7 \u0111i\u1ec7n ph\u00e2n ph\u1ed1i (UL 891) v\u1ec1 c\u01a1 b\u1ea3n l\u00e0 m\u1ed9t \u201cph\u00f2ng m\u1edf\u201d. C\u00e1c b\u1ed9 ng\u1eaft m\u1ea1ch, thanh c\u00e1i v\u00e0 \u0111\u1ea7u c\u00e1p \u0111\u1ec1u n\u1eb1m trong m\u1ed9t h\u1ed9p kim lo\u1ea1i m\u1edf, d\u00f9ng chung.<\/p>\n<p><strong>\u201cC\u00e2u chuy\u1ec7n kinh d\u1ecb\u201d:<\/strong> M\u1ed9t ng\u01b0\u1eddi h\u1ecdc vi\u1ec7c \u0111ang si\u1ebft ch\u1eb7t m\u1ed9t b\u1ed9 ng\u1eaft m\u1ea1ch 400A m\u1edbi v\u00e0o <em>\u1ed5 c\u1eafm c\u00f3 \u0111i\u1ec7n<\/em> thanh c\u00e1i (\u0111i\u1ec1u m\u00e0 anh ta kh\u00f4ng n\u00ean l\u00e0m). C\u1edd l\u00ea c\u1ee7a anh ta tr\u01b0\u1ee3t.<\/p>\n<p><em>B\u00d9M.<\/em><\/p>\n<p>C\u1edd l\u00ea l\u00e0m ng\u1eafn m\u1ea1ch thanh c\u00e1i ch\u00ednh, g\u00e2y ra m\u1ed9t th\u1ea3m h\u1ecda <strong>H\u1ed3 Quang \u0110i\u1ec7n<\/strong>\u2014m\u1ed9t \u201cqu\u1ea3 c\u1ea7u l\u1eeda plasma\u201d l\u00e0m b\u1ed1c h\u01a1i c\u1edd l\u00ea v\u00e0 ph\u00e1 h\u1ee7y <em>d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t v\u00e0 nh\u1eadn \u0111\u01b0\u1ee3c m\u1ed9t cu\u1ed9c g\u1ecdi r\u1ea5t gi\u1eadn d\u1eef t\u1eeb qu\u1ea3n \u0111\u1ed1c nh\u00e0 m\u00e1y.<\/em> t\u1ee7 \u0111i\u1ec7n. Thi\u1ebft k\u1ebf \u201cph\u00f2ng m\u1edf\u201d c\u00f3 ngh\u0129a l\u00e0 ng\u1ecdn l\u1eeda lan truy\u1ec1n ngay l\u1eadp t\u1ee9c, k\u00e9o theo m\u1ecdi b\u1ed9 ng\u1eaft m\u1ea1ch.<\/p>\n<h3>T\u1ee7 \u0111\u00f3ng c\u1eaft: \u201cH\u1ea7m ch\u1ed1ng n\u1ed5\u201d<\/h3>\n<p>T\u1ee7 \u0111\u00f3ng c\u1eaft (UL 1558) \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng d\u1ef1a tr\u00ean tri\u1ebft l\u00fd <strong>\u201cPh\u00e2n v\u00f9ng.\u201d<\/strong><\/p>\n<p>N\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t \u201cph\u00f2ng m\u1edf\u201d; n\u00f3 l\u00e0 m\u1ed9t lo\u1ea1t c\u00e1c \u201ch\u1ea7m ch\u1ed1ng n\u1ed5.\u201d<\/p>\n<ul>\n<li>Thanh c\u00e1i ch\u00ednh n\u1eb1m trong <em>m\u00ecnh<\/em> \u201ch\u1ea7m\u201d ri\u00eang bi\u1ec7t, k\u00edn b\u1eb1ng kim lo\u1ea1i.\u201d<\/li>\n<li>M\u1ed7i b\u1ed9 ng\u1eaft m\u1ea1ch \u201cc\u00f3 th\u1ec3 k\u00e9o ra\u201d n\u1eb1m trong <em>c\u1ee7a ri\u00eang n\u00f3<\/em> \u201ch\u1ea7m\u201d k\u00edn b\u1eb1ng kim lo\u1ea1i.\u201d<\/li>\n<li>H\u1ec7 th\u1ed1ng d\u00e2y \u0111i\u1ec1u khi\u1ec3n (24V) n\u1eb1m trong <em>c\u1ee7a ri\u00eang n\u00f3<\/em> \u201ch\u1ea7m\u201d ri\u00eang bi\u1ec7t, k\u00edn b\u1eb1ng kim lo\u1ea1i.\u201d<\/li>\n<\/ul>\n<p><strong>(C\u00f9ng) \u201cC\u00e2u chuy\u1ec7n kinh d\u1ecb\u201d:<\/strong> M\u1ed9t k\u1ef9 thu\u1eadt vi\u00ean \u0111ang \u201ck\u00e9o ra\u201d m\u1ed9t b\u1ed9 ng\u1eaft m\u1ea1ch. B\u1ed9 ng\u1eaft m\u1ea1ch <em>t\u1ef1 n\u00f3<\/em> b\u1ecb l\u1ed7i v\u00e0 ph\u00e1t n\u1ed5.<\/p>\n<p><strong>K\u1ebft Qu\u1ea3:<\/strong> V\u1ee5 n\u1ed5 \u0111\u01b0\u1ee3c <em>ch\u1ee9a<\/em> trong m\u1ed9t \u201ch\u1ea7m\u201d \u0111\u00f3. C\u00e1c b\u1ee9c t\u01b0\u1eddng th\u00e9p d\u00e0y <em>b\u1ea3o v\u1ec7<\/em> thanh c\u00e1i ch\u00ednh v\u00e0 <em>c\u00e1c b\u1ed9 ng\u1eaft m\u1ea1ch kh\u00e1c<\/em> kh\u1ecfi v\u1ee5 n\u1ed5. Ph\u1ea7n c\u00f2n l\u1ea1i c\u1ee7a c\u01a1 s\u1edf v\u1eabn tr\u1ef1c tuy\u1ebfn. B\u1ea1n \u0111\u00e3 m\u1ea5t <em>m\u1ed9t trong nh\u1eefng<\/em> b\u1ed9 ng\u1eaft m\u1ea1ch, kh\u00f4ng ph\u1ea3i <em>to\u00e0n b\u1ed9 t\u00f2a nh\u00e0<\/em>.<\/p>\n<hr \/>\n<h2>K\u1ebft lu\u1eadn: \u201cM\u00e8o\u201d so v\u1edbi \u201cH\u1ed5\u201d (Khi n\u00e0o n\u00ean s\u1eed d\u1ee5ng lo\u1ea1i n\u00e0o)<\/h2>\n<p>V\u00ec v\u1eady, \u0111\u00fang v\u1eady, T\u1ee7 \u0111i\u1ec7n v\u00e0 T\u1ee7 \u0111\u00f3ng c\u1eaft \u0111\u1ec1u l\u00e0 \u201cnh\u1eefng h\u1ed9p kim lo\u1ea1i l\u1edbn c\u00f3 b\u1ed9 ng\u1eaft m\u1ea1ch\u201d. Nh\u01b0ng m\u1ed9t c\u00e1i l\u00e0 M\u00e8o nh\u00e0, v\u00e0 m\u1ed9t c\u00e1i l\u00e0 H\u1ed5.<\/p>\n<p><strong>B\u1ea1n s\u1eed d\u1ee5ng T\u1ee7 \u0111i\u1ec7n (UL 891 \u201cC\u1ed1 \u0111\u1ecbnh\u201d) khi:<\/strong><\/p>\n<ul>\n<li><strong>Chi ph\u00ed<\/strong> l\u00e0 \u0111\u1ed9ng l\u1ef1c ch\u00ednh.<\/li>\n<li><strong>Th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng<\/strong> l\u00e0 <em>kh\u00f4ng<\/em> quan tr\u1ecdng (vi\u1ec7c ng\u1eebng ho\u1ea1t \u0111\u1ed9ng to\u00e0n b\u1ed9 t\u00f2a nh\u00e0 trong 4 gi\u1edd l\u00e0 \u201cch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c\u201d \u0111\u1ec3 b\u1ea3o tr\u00ec).<\/li>\n<li>\u1ee8ng d\u1ee5ng c\u1ee7a b\u1ea1n l\u00e0 \u201cph\u00e2n ph\u1ed1i\u201d (v\u00ed d\u1ee5: m\u1ed9t t\u00f2a nh\u00e0 chung c\u01b0 ti\u00eau chu\u1ea9n, m\u1ed9t trung t\u00e2m mua s\u1eafm).<\/li>\n<\/ul>\n<p><strong>B\u1ea1n s\u1eed d\u1ee5ng T\u1ee7 \u0111\u00f3ng c\u1eaft (UL 1558 \u201cC\u00f3 th\u1ec3 k\u00e9o ra\u201d) khi:<\/strong><\/p>\n<ul>\n<li><strong>Th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng<\/strong> v\u00e0 <strong>S\u1ef1 an to\u00e0n<\/strong> l\u00e0 <em>kh\u00f4ng th\u1ec3 th\u01b0\u01a1ng l\u01b0\u1ee3ng<\/em>.<\/li>\n<li>Chi ph\u00ed ng\u1eebng ho\u1ea1t \u0111\u1ed9ng ($1M\/gi\u1edd) l\u00e0 <em>v\u00f4 c\u00f9ng<\/em> cao h\u01a1n chi ph\u00ed c\u1ee7a thi\u1ebft b\u1ecb.<\/li>\n<li>\u1ee8ng d\u1ee5ng c\u1ee7a b\u1ea1n l\u00e0 \u201cc\u01a1 s\u1edf h\u1ea1 t\u1ea7ng quan tr\u1ecdng\u201d (v\u00ed d\u1ee5: m\u1ed9t <strong>B\u1ec7nh vi\u1ec7n<\/strong>, m\u1ed9t <strong>Trung t\u00e2m d\u1eef li\u1ec7u<\/strong>, m\u1ed9t <strong>Nh\u00e0 m\u00e1y<\/strong>, ho\u1eb7c m\u1ed9t <strong>Nh\u00e0 m\u00e1y \u0111i\u1ec7n<\/strong>).<\/li>\n<\/ul>\n<p>T\u1ea1i VIOX, ch\u00fang t\u00f4i s\u1ea3n xu\u1ea5t c\u00e1c th\u00e0nh ph\u1ea7n (nh\u01b0 MCCB v\u00e0 ACB) \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong <em>c\u1ea3 hai<\/em> h\u1ec7 th\u1ed1ng. Nh\u01b0ng v\u1edbi t\u01b0 c\u00e1ch l\u00e0 K\u1ef9 s\u01b0 \u1ee9ng d\u1ee5ng c\u1ea5p cao, l\u1eddi khuy\u00ean c\u1ee7a t\u00f4i r\u1ea5t \u0111\u01a1n gi\u1ea3n:<\/p>\n<p>\u0110\u1eebng mua \u201cT\u1ee7 \u0111i\u1ec7n\u201d khi b\u1ea1n <em>th\u1ef1c s\u1ef1<\/em> c\u1ea7n \u201cT\u1ee7 \u0111\u00f3ng c\u1eaft\u201d. \u0110\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 \u201cti\u1ebft ki\u1ec7m ti\u1ec1n\u201d\u2014\u0111\u00f3 l\u00e0 m\u1ed9t sai l\u1ea7m k\u1ef9 thu\u1eadt nghi\u00eam tr\u1ecdng.<\/p>\n<p><strong>Duy\u1ec7t qua d\u00f2ng s\u1ea3n ph\u1ea9m \u0111\u1ea7y \u0111\u1ee7 c\u1ee7a ch\u00fang t\u00f4i v\u1ec1 b\u1ed9 ng\u1eaft m\u1ea1ch t\u01b0\u01a1ng th\u00edch UL 891 (C\u1ed1 \u0111\u1ecbnh) v\u00e0 UL 1558 (C\u00f3 th\u1ec3 k\u00e9o ra) v\u00e0 thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng c\u1ee7a b\u1ea1n cho <em>\u0111\u00fang<\/em> m\u1ee9c \u0111\u1ed9 an to\u00e0n v\u00e0 kh\u1ea3 n\u0103ng s\u1ed1ng s\u00f3t.<\/strong><\/p>\n<hr \/>\n<h3>K\u1ef9 Thu\u1eadt Ch\u00ednh X\u00e1c Ch\u00fa \u00dd<\/h3>\n<pre><code>**Ti\u00eau chu\u1ea9n &amp; Ngu\u1ed3n tham kh\u1ea3o**.\n<\/code><\/pre>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>To an apprentice, &#8220;Switchboard&#8221; and &#8220;Switchgear&#8221; sound the same: just two different words for the &#8220;big metal box with all the breakers.&#8221; To a professional, this is the difference between a House Cat and a Tiger. Confusing them can be an expensive\u2014or even fatal\u2014mistake. The common &#8220;rookie&#8221; answer is that &#8220;Switchgear is for high voltage, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":19985,"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-19978","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\/19978","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=19978"}],"version-history":[{"count":3,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/posts\/19978\/revisions"}],"predecessor-version":[{"id":19986,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/posts\/19978\/revisions\/19986"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/media\/19985"}],"wp:attachment":[{"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/media?parent=19978"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/categories?post=19978"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/tags?post=19978"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}