{"id":19001,"date":"2025-07-27T15:19:33","date_gmt":"2025-07-27T07:19:33","guid":{"rendered":"https:\/\/viox.com\/?p=19001"},"modified":"2025-07-27T15:19:35","modified_gmt":"2025-07-27T07:19:35","slug":"how-to-identify-circuit-breaker-brand","status":"publish","type":"post","link":"https:\/\/test.viox.com\/vi\/how-to-identify-circuit-breaker-brand\/","title":{"rendered":"C\u00e1ch x\u00e1c \u0111\u1ecbnh th\u01b0\u01a1ng hi\u1ec7u m\u00e1y c\u1eaft \u0111i\u1ec7n"},"content":{"rendered":"
C\u00e2u Tr\u1ea3 L\u1eddi Tr\u1ef1c Ti\u1ebfp:<\/strong> B\u1ea1n c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh nh\u00e3n hi\u1ec7u m\u00e1y c\u1eaft m\u1ea1ch c\u1ee7a m\u00ecnh b\u1eb1ng c\u00e1ch ki\u1ec3m tra t\u00ean nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u01b0\u1ee3c in tr\u00ean tay c\u1ea7m ho\u1eb7c th\u00e2n m\u00e1y c\u1eaft, t\u00ecm s\u1ed1 hi\u1ec7u m\u00e1y \u1edf m\u1eb7t b\u00ean ho\u1eb7c m\u1eb7t sau v\u00e0 ki\u1ec3m tra nh\u00e3n ch\u00ednh c\u1ee7a b\u1ea3ng \u0111i\u1ec7n, nh\u00e3n n\u00e0y th\u01b0\u1eddng li\u1ec7t k\u00ea c\u00e1c nh\u00e3n hi\u1ec7u m\u00e1y c\u1eaft t\u01b0\u01a1ng th\u00edch.\n

Vi\u1ec7c hi\u1ec3u r\u00f5 th\u01b0\u01a1ng hi\u1ec7u m\u00e1y c\u1eaft \u0111i\u1ec7n c\u1ee7a b\u1ea1n l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n \u0111i\u1ec7n, tu\u00e2n th\u1ee7 quy \u0111\u1ecbnh v\u00e0 thay th\u1ebf \u0111\u00fang c\u00e1ch. S\u1eed d\u1ee5ng m\u00e1y c\u1eaft \u0111i\u1ec7n sai th\u01b0\u01a1ng hi\u1ec7u c\u00f3 th\u1ec3 g\u00e2y ra nguy c\u01a1 h\u1ecfa ho\u1ea1n, l\u00e0m m\u1ea5t hi\u1ec7u l\u1ef1c b\u1ea3o h\u00e0nh v\u00e0 vi ph\u1ea1m quy \u0111\u1ecbnh v\u1ec1 \u0111i\u1ec7n.<\/p>\n

\"30A<\/p>\n

C\u1ea7u dao t\u1ef1 \u0111\u1ed9ng VIOX<\/a><\/p>\n

Th\u01b0\u01a1ng hi\u1ec7u m\u00e1y c\u1eaft \u0111i\u1ec7n l\u00e0 g\u00ec v\u00e0 t\u1ea1i sao n\u00f3 l\u1ea1i quan tr\u1ecdng?<\/h2>\n

Th\u01b0\u01a1ng hi\u1ec7u c\u1ea7u dao \u0111i\u1ec7n l\u00e0 nh\u00e0 s\u1ea3n xu\u1ea5t s\u1ea3n xu\u1ea5t thi\u1ebft b\u1ecb \u0111i\u1ec7n b\u1ea3o v\u1ec7 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 t\u1ef1 \u0111\u1ed9ng d\u1eebng d\u00f2ng \u0111i\u1ec7n khi m\u1ea1ch \u0111i\u1ec7n b\u1ecb qu\u00e1 t\u1ea3i. Th\u01b0\u01a1ng hi\u1ec7u x\u00e1c \u0111\u1ecbnh kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi b\u1ea3ng \u0111i\u1ec7n c\u1ee7a b\u1ea1n v\u00e0 \u0111\u1ea3m b\u1ea3o ch\u1ee9c n\u0103ng an to\u00e0n ph\u00f9 h\u1ee3p.<\/strong><\/p>\n

C\u00e1c th\u01b0\u01a1ng hi\u1ec7u m\u00e1y c\u1eaft \u0111i\u1ec7n quan tr\u1ecdng v\u00ec:<\/p>\n

    \n
  • Tu\u00e2n th\u1ee7 an to\u00e0n<\/strong>: Ch\u1ec9 nh\u1eefng b\u1ed9 ng\u1eaft m\u1ea1ch t\u01b0\u01a1ng th\u00edch m\u1edbi \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c ti\u00eau chu\u1ea9n an to\u00e0n c\u1ee7a UL (Underwriters Laboratories)<\/li>\n
  • Y\u00eau c\u1ea7u v\u1ec1 m\u00e3<\/strong>: B\u1ed9 lu\u1eadt \u0110i\u1ec7n Qu\u1ed1c gia (NEC) y\u00eau c\u1ea7u c\u00e1c b\u1ed9 ng\u1eaft m\u1ea1ch \u0111\u01b0\u1ee3c nh\u00e0 s\u1ea3n xu\u1ea5t ch\u1ea5p thu\u1eadn<\/li>\n
  • Ph\u1ea1m vi b\u1ea3o hi\u1ec3m<\/strong>: C\u1ea7u dao \u0111i\u1ec7n sai c\u00f3 th\u1ec3 l\u00e0m m\u1ea5t hi\u1ec7u l\u1ef1c b\u1ea3o hi\u1ec3m c\u1ee7a ch\u1ee7 nh\u00e0<\/li>\n
  • Ph\u00f2ng ch\u00e1y<\/strong>: C\u00e1c b\u1ed9 ng\u1eaft m\u1ea1ch kh\u00f4ng t\u01b0\u01a1ng th\u00edch c\u00f3 th\u1ec3 g\u00e2y ra h\u1ed3 quang \u0111i\u1ec7n v\u00e0 ch\u00e1y \u0111i\u1ec7n<\/li>\n<\/ul>\n
    \n

    Dr. Tr\u01b0\u1edbc C\u1ea3nh B\u00e1o An To\u00e0n<\/strong>: Kh\u00f4ng bao gi\u1edd l\u1eafp \u0111\u1eb7t c\u1ea7u dao \u0111i\u1ec7n c\u1ee7a th\u01b0\u01a1ng hi\u1ec7u kh\u00e1c v\u1edbi th\u01b0\u01a1ng hi\u1ec7u \u0111\u01b0\u1ee3c nh\u00e0 s\u1ea3n xu\u1ea5t t\u1ee7 \u0111i\u1ec7n ch\u1ec9 \u0111\u1ecbnh. \u0110i\u1ec1u n\u00e0y g\u00e2y ra nguy c\u01a1 h\u1ecfa ho\u1ea1n v\u00e0 \u0111i\u1ec7n gi\u1eadt nghi\u00eam tr\u1ecdng.<\/p>\n<\/blockquote>\n

    C\u00e1c th\u01b0\u01a1ng hi\u1ec7u m\u00e1y c\u1eaft \u0111i\u1ec7n l\u1edbn: H\u01b0\u1edbng d\u1eabn nh\u1eadn d\u1ea1ng \u0111\u1ea7y \u0111\u1ee7<\/h2>\n\n\n\n\n\n\n\n\n\n\n
    Th\u01b0\u01a1ng hi\u1ec7u<\/th>\nD\u1ea5u hi\u1ec7u chung<\/th>\nKh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch c\u1ee7a b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n<\/th>\nC\u00e1c t\u00ednh n\u0103ng ch\u00ednh<\/th>\n<\/tr>\n<\/thead>\n
    Qu\u1ea3ng Tr\u01b0\u1eddng D<\/strong><\/td>\n\u201cSquare D\u201d, \u201cQO\u201d, \u201cHomeline\u201d<\/td>\nCh\u1ec9 c\u00f3 t\u1ea5m vu\u00f4ng D<\/td>\nN\u00fat ki\u1ec3m tra m\u00e0u xanh l\u00e1 c\u00e2y, m\u00e0u tr\u1eafng chuy\u1ebfn \u0111i<\/a> c\u00e1c ch\u1ec9 s\u1ed1<\/td>\n<\/tr>\n
    Siemens<\/strong><\/td>\n\u201cSiemens\u201d, \u201cMurray\u201d, \u201cITE\u201d<\/td>\nT\u1ea5m pin Siemens\/Murray\/ITE<\/td>\nTay c\u1ea7m m\u00e0u xanh ho\u1eb7c \u0111en, c\u1edd b\u00e1o hi\u1ec7u m\u00e0u b\u1ea1c<\/td>\n<\/tr>\n
    T\u1eadp \u0111o\u00e0n \u0110i\u1ec7n l\u1ef1c (GE)<\/strong><\/td>\n\u201cGE\u201d, \u201cTHQL\u201d, \u201cTHQP\u201d<\/td>\nCh\u1ec9 c\u00f3 t\u1ea5m pin GE<\/td>\nTay c\u1ea7m m\u00e0u x\u00e1m, \u0111\u00e8n b\u00e1o chuy\u1ebfn \u0111i m\u00e0u \u0111\u1ecf<\/td>\n<\/tr>\n
    Eaton\/Cutler-Hammer<\/strong><\/td>\n\u201cEaton\u201d, \u201cCH\u201d, \u201cBR\u201d, \u201cCH\u201d<\/td>\nT\u1ea5m Eaton\/Cutler-Hammer<\/td>\nTay c\u1ea7m m\u00e0u n\u00e2u ho\u1eb7c \u0111en, c\u1edd c\u1ea3nh b\u00e1o m\u00e0u cam<\/td>\n<\/tr>\n
    Westinghouse<\/strong><\/td>\n\u201cWestinghouse\u201d, \u201cBryant\u201d<\/td>\nT\u1ea5m \u1ed1p Westinghouse<\/td>\nTay c\u1ea7m m\u00e0u \u0111en, \u0111\u00e8n b\u00e1o chuy\u1ebfn \u0111i m\u00e0u tr\u1eafng<\/td>\n<\/tr>\n
    Li\u00ean bang Th\u00e1i B\u00ecnh D\u01b0\u01a1ng<\/strong><\/td>\n\u201cFPE\u201d, \u201cStab-Lok\u201d<\/td>\nC\u00e1c t\u1ea5m pin m\u1eb7t tr\u1eddi li\u00ean bang Th\u00e1i B\u00ecnh D\u01b0\u01a1ng<\/td>\n\u26a0\ufe0f Ng\u1eebng s\u1ea3n xu\u1ea5t \u2013 nguy c\u01a1 m\u1ea5t an to\u00e0n<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    Quy tr\u00ecnh nh\u1eadn d\u1ea1ng th\u01b0\u01a1ng hi\u1ec7u m\u00e1y c\u1eaft \u0111i\u1ec7n t\u1eebng b\u01b0\u1edbc<\/h2>\n

    B\u01b0\u1edbc 1: \u0110\u1ea3m b\u1ea3o an to\u00e0n \u0111i\u1ec7n<\/h3>\n
      \n
    • T\u1eaft ngu\u1ed3n \u0111i\u1ec7n ch\u00ednh t\u1ea1i \u0111\u1ed3ng h\u1ed3 \u0111i\u1ec7n<\/li>\n
    • S\u1eed d\u1ee5ng m\u00e1y ki\u1ec3m tra \u0111i\u1ec7n \u00e1p kh\u00f4ng ti\u1ebfp x\u00fac \u0111\u1ec3 x\u00e1c minh ngu\u1ed3n \u0111i\u1ec7n \u0111\u00e3 t\u1eaft<\/li>\n
    • Chu\u1ea9n b\u1ecb s\u1eb5n \u0111\u00e8n pin \u0111\u1ec3 c\u00f3 t\u1ea7m nh\u00ecn r\u00f5 r\u00e0ng<\/li>\n
    • Kh\u00f4ng bao gi\u1edd ch\u1ea1m v\u00e0o d\u00e2y \u0111i\u1ec7n ho\u1eb7c thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i h\u1edf<\/li>\n<\/ul>\n

      B\u01b0\u1edbc 2: Ki\u1ec3m tra Nh\u00e3n c\u1eeda t\u1ea5m<\/h3>\n
        \n
      1. M\u1edf c\u1eeda t\u1ee7 \u0111i\u1ec7n c\u1ee7a b\u1ea1n<\/li>\n
      2. T\u00ecm nh\u00e3n kim lo\u1ea1i tr\u00ean c\u1eeda ho\u1eb7c khung c\u1eeda<\/li>\n
      3. T\u00ecm t\u00ean nh\u00e0 s\u1ea3n xu\u1ea5t (th\u01b0\u1eddng b\u1eb1ng ch\u1eef in hoa)<\/li>\n
      4. L\u01b0u \u00fd b\u1ea5t k\u1ef3 s\u1ed1 hi\u1ec7u m\u1eabu ho\u1eb7c s\u1ed1 b\u1ed9 ph\u1eadn n\u00e0o \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea<\/li>\n
      5. Ki\u1ec3m tra th\u00f4ng tin ni\u00eam y\u1ebft UL<\/li>\n<\/ol>\n

        B\u01b0\u1edbc 3: Ki\u1ec3m tra t\u1eebng b\u1ed9 ng\u1eaft m\u1ea1ch ri\u00eang l\u1ebb<\/h3>\n
          \n
        1. Nh\u00ecn v\u00e0o tay c\u1ea7m c\u1ee7a c\u1ea7u dao \u0111\u1ec3 bi\u1ebft t\u00ean nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u01b0\u1ee3c in<\/li>\n
        2. Ki\u1ec3m tra c\u00e1c m\u1eb7t c\u1ee7a b\u1ed9 ng\u1eaft m\u1ea1ch \u0111\u1ec3 bi\u1ebft s\u1ed1 hi\u1ec7u m\u1eabu<\/li>\n
        3. Ki\u1ec3m tra m\u1eb7t sau c\u1ee7a b\u1ed9 ng\u1eaft m\u1ea1ch (n\u1ebfu c\u00f3 th\u1ec3 ti\u1ebfp c\u1eadn an to\u00e0n)<\/li>\n
        4. L\u01b0u \u00fd b\u1ea5t k\u1ef3 m\u00e3 m\u00e0u ho\u1eb7c d\u1ea5u hi\u1ec7u \u0111\u1eb7c bi\u1ec7t n\u00e0o<\/li>\n<\/ol>\n

          B\u01b0\u1edbc 4: Ghi l\u1ea1i nh\u1eefng ph\u00e1t hi\u1ec7n c\u1ee7a b\u1ea1n<\/h3>\n
            \n
          • Ch\u1ee5p \u1ea3nh nh\u00e3n b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n v\u00e0 d\u1ea5u hi\u1ec7u c\u1ee7a m\u00e1y c\u1eaft<\/li>\n
          • Vi\u1ebft ra s\u1ed1 hi\u1ec7u m\u1eabu v\u00e0 s\u1ed1 b\u1ed9 ph\u1eadn<\/li>\n
          • L\u01b0u \u00fd m\u1ee9c \u0111\u1ecbnh m\u1ee9c ampe c\u1ee7a c\u00e1c m\u00e1y c\u1eaft hi\u1ec7n c\u00f3<\/li>\n
          • Ghi l\u1ea1i t\u1ed5ng c\u00f4ng su\u1ea5t ampe c\u1ee7a b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n<\/li>\n<\/ul>\n
            \n

            \ud83d\udca1 Chuy\u00ean Gia M\u1eb9o<\/strong>: N\u1ebfu c\u00e1c d\u1ea5u hi\u1ec7u b\u1ecb m\u00f2n ho\u1eb7c kh\u00f4ng r\u00f5 r\u00e0ng, h\u00e3y s\u1eed d\u1ee5ng k\u00ednh l\u00fap v\u00e0 \u0111\u00e8n LED s\u00e1ng \u0111\u1ec3 \u0111\u1ecdc v\u0103n b\u1ea3n m\u1edd r\u00f5 h\u01a1n.<\/p>\n<\/blockquote>\n

            \"technician-works-with-20<\/p>\n

            H\u01b0\u1edbng d\u1eabn nh\u1eadn d\u1ea1ng b\u1eb1ng h\u00ecnh \u1ea3nh: Nh\u1eefng \u0111i\u1ec1u c\u1ea7n ch\u00fa \u00fd<\/h2>\n

            \u0110\u00e1nh d\u1ea5u tay c\u1ea7m<\/h3>\n

            H\u1ea7u h\u1ebft c\u00e1c m\u00e1y c\u1eaft m\u1ea1ch \u0111\u1ec1u hi\u1ec3n th\u1ecb t\u00ean nh\u00e0 s\u1ea3n xu\u1ea5t m\u1ed9t c\u00e1ch n\u1ed5i b\u1eadt tr\u00ean tay c\u1ea7m c\u00f4ng t\u1eafc:<\/p>\n

              \n
            • Qu\u1ea3ng Tr\u01b0\u1eddng D<\/strong>: \u201cSQUARE D\u201d \u0111\u01b0\u1ee3c in b\u1eb1ng ch\u1eef m\u00e0u tr\u1eafng<\/li>\n
            • Siemens<\/strong>: \u201cSIEMENS\u201d b\u1eb1ng ch\u1eef m\u00e0u b\u1ea1c ho\u1eb7c tr\u1eafng<\/li>\n
            • GE<\/strong>: Logo \u201cGE\u201d c\u00f3 t\u00ean c\u00f4ng ty<\/li>\n
            • \u0102n<\/strong>: D\u1ea5u hi\u1ec7u \u201cEATON\u201d ho\u1eb7c \u201cCH\u201d<\/li>\n<\/ul>\n

              V\u1ecb tr\u00ed s\u1ed1 m\u00f4 h\u00ecnh<\/h3>\n

              S\u1ed1 hi\u1ec7u m\u1eabu m\u00e1y c\u1eaft m\u1ea1ch xu\u1ea5t hi\u1ec7n \u1edf nh\u1eefng v\u1ecb tr\u00ed ph\u1ed5 bi\u1ebfn sau:<\/p>\n

                \n
              1. C\u1ea1nh b\u00ean<\/strong> c\u1ee7a th\u00e2n m\u00e1y c\u1eaft (ph\u1ed5 bi\u1ebfn nh\u1ea5t)<\/li>\n
              2. M\u1eb7t sau<\/strong> c\u1ee7a b\u1ed9 ng\u1eaft m\u1ea1ch (c\u1ea7n ph\u1ea3i th\u00e1o ra \u0111\u1ec3 xem)<\/li>\n
              3. C\u1ea1nh tr\u00ean<\/strong> g\u1ea7n k\u1ebft n\u1ed1i tay c\u1ea7m<\/li>\n
              4. C\u1ea1nh d\u01b0\u1edbi<\/strong> g\u1ea7n c\u00e1c \u0111i\u1ec3m k\u1ebft n\u1ed1i<\/li>\n<\/ol>\n

                M\u00e3 h\u00f3a m\u00e0u s\u1eafc v\u00e0 t\u00edn hi\u1ec7u th\u1ecb gi\u00e1c<\/h3>\n\n\n\n\n\n\n\n\n
                Th\u01b0\u01a1ng hi\u1ec7u<\/th>\nM\u00e0u tay c\u1ea7m<\/th>\nCh\u1ec9 b\u00e1o chuy\u1ebfn \u0111i<\/th>\nT\u00ednh n\u0103ng \u0111\u1ed9c \u0111\u00e1o<\/th>\n<\/tr>\n<\/thead>\n
                Qu\u1ea3ng Tr\u01b0\u1eddng D<\/td>\n\u0110en\/Tr\u1eafng<\/td>\nC\u1edd tr\u1eafng<\/td>\nN\u00fat ki\u1ec3m tra m\u00e0u xanh l\u00e1 c\u00e2y tr\u00ean GFCI<\/a><\/td>\n<\/tr>\n
                Siemens<\/td>\nXanh lam\/\u0110en<\/td>\nC\u1edd b\u1ea1c<\/td>\nThi\u1ebft k\u1ebf tay c\u1ea7m cong<\/td>\n<\/tr>\n
                GE<\/td>\nX\u00e1m<\/td>\nC\u1edd \u0111\u1ecf<\/td>\nH\u00ecnh d\u1ea1ng tay c\u1ea7m vu\u00f4ng<\/td>\n<\/tr>\n
                \u0102n<\/td>\nN\u00e2u\/\u0110en<\/td>\nC\u1edd m\u00e0u cam<\/td>\nKhu\u00f4n \u0111\u00fac \u201cCH\u201d \u0111\u1eb7c bi\u1ec7t<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                \"BH-P<\/p>\n

                C\u00e1c \u1ee9ng d\u1ee5ng v\u00e0 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn<\/h2>\n

                Nh\u1eadn d\u1ea1ng b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n d\u00e2n d\u1ee5ng<\/h3>\n

                K\u1ecbch b\u1ea3n ph\u1ed5 bi\u1ebfn nh\u1ea5t<\/strong>: Ch\u1ee7 nh\u00e0 c\u1ea7n thay th\u1ebf c\u1ea7u dao b\u1ecb ng\u1eaft<\/p>\n