{"id":2863,"date":"2026-06-27T16:58:48","date_gmt":"2026-06-27T16:58:48","guid":{"rendered":"https:\/\/huyuglobal.com\/?p=2863"},"modified":"2026-06-27T16:58:49","modified_gmt":"2026-06-27T16:58:49","slug":"siemens-circuit-breaker-compatibility-chart","status":"publish","type":"post","link":"https:\/\/huyuglobal.com\/vi\/blog\/siemens-circuit-breaker-compatibility-chart\/","title":{"rendered":"Bi\u1ec3u \u0111\u1ed3 t\u01b0\u01a1ng th\u00edch c\u1ea7u dao Siemens"},"content":{"rendered":"

Th\u1ee3 \u0111i\u1ec7n b\u1ea3o tr\u00ec t\u1ea1i m\u1ed9t t\u00f2a nh\u00e0 th\u01b0\u01a1ng m\u1ea1i \u0111\u00e3 ph\u1ea3i thay th\u1ebf m\u1ed9t c\u1ea7u dao 20-amp b\u1ecb h\u1ecfng. Sau khi th\u00e1o c\u1ea7u dao c\u0169, anh ph\u00e1t hi\u1ec7n \u0111\u00f3 l\u00e0 c\u1ea7u dao th\u01b0\u01a1ng hi\u1ec7u Siemens. Tuy nhi\u00ean, anh \u0111ang mang theo m\u1ed9t c\u1ea7u dao th\u01b0\u01a1ng hi\u1ec7u Eaton c\u00f3 c\u00f9ng d\u00f2ng \u0111i\u1ec7n v\u00e0 c\u00f3 v\u1ebb t\u01b0\u01a1ng th\u00edch v\u1edbi b\u1ea3ng Siemens. M\u1ed1i quan t\u00e2m l\u00e0 li\u1ec7u c\u1ea7u dao Eaton c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t trong b\u1ea3ng Siemens hay kh\u00f4ng. S\u1ef1 do d\u1ef1 c\u1ee7a th\u1ee3 \u0111i\u1ec7n \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi danh s\u00e1ch t\u01b0\u01a1ng th\u00edch c\u1ee7a c\u00e1c c\u1ea7u dao v\u1edbi c\u00e1c b\u1ea3ng. Vi\u1ec7c l\u1eafp \u0111\u1eb7t m\u1ed9t c\u1ea7u dao, c\u00f3 th\u1ec3 v\u1eeba v\u1eb7n v\u00e0 g\u1eafn v\u00e0o thanh bus c\u1ee7a b\u1ea3ng Siemens, s\u1ebd t\u1ea1o ra m\u1ed9t k\u1ebft n\u1ed1i c\u00f3 \u0111i\u1ec7n tr\u1edf cao kh\u00f4ng ph\u00f9 h\u1ee3p, \u0111i\u1ec1u n\u00e0y s\u1ebd l\u00e0m m\u1ea5t hi\u1ec7u l\u1ef1c danh s\u00e1ch UL c\u1ee7a b\u1ea3ng v\u00e0 c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn nguy c\u01a1 ch\u00e1y n\u1ed5. Do \u0111\u00f3, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 c\u00e1c th\u1ee3 \u0111i\u1ec7n ph\u1ea3i bi\u1ebft c\u1ea7u dao n\u00e0o \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn s\u1eed d\u1ee5ng trong c\u00e1c b\u1ea3ng Siemens v\u00e0 c\u1ea7u dao n\u00e0o kh\u00f4ng tr\u01b0\u1edbc khi ti\u1ebfn h\u00e0nh l\u1eafp \u0111\u1eb7t ho\u1eb7c l\u00e0m vi\u1ec7c tr\u00ean c\u00e1c h\u1ec7 th\u1ed1ng \u0111i\u1ec7n.<\/p>\n

\"C\u00e1c<\/p>\n

C\u00e1c lo\u1ea1i c\u1ea7u dao Siemens v\u00e0 c\u00e1c b\u1ea3ng t\u01b0\u01a1ng th\u00edch c\u1ee7a ch\u00fang<\/h2>\n

Siemens s\u1ea3n xu\u1ea5t hai lo\u1ea1i c\u1ea7u dao ch\u00ednh cho nh\u00e0 \u1edf v\u00e0 th\u01b0\u01a1ng m\u1ea1i nh\u1eb9 \u1edf B\u1eafc M\u1ef9 \u2013 C\u1ea7u dao QP v\u00e0 C\u1ea7u dao QT. C\u1ea3 hai lo\u1ea1i \u0111\u1ec1u c\u00f3 thi\u1ebft k\u1ebf gi\u1ed1ng nhau cho c\u00e1c k\u1ebft n\u1ed1i c\u1eafm; tuy nhi\u00ean, ch\u00fang kh\u00f4ng ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 thay th\u1ebf cho nhau t\u1eeb b\u1ea3ng n\u00e0y sang b\u1ea3ng kh\u00e1c v\u00e0 t\u1eeb khe n\u00e0y sang khe kh\u00e1c trong c\u00f9ng m\u1ed9t b\u1ea3ng c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t. Bi\u1ec3u \u0111\u1ed3 d\u01b0\u1edbi \u0111\u00e2y t\u00f3m t\u1eaft c\u00e1c c\u1ea7u dao n\u00e0o c\u00f3 th\u1ec3 \u0111i v\u00e0o c\u00e1c khe n\u00e0o v\u00e0 lo\u1ea1i b\u1ea3ng v\u00e0 ho\u1eb7c khe n\u00e0o ch\u00fang c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng.<\/p>\n\n\n\n\n\n\n\n\n\n
Lo\u1ea1i c\u1ea7u dao Siemens<\/th>\nM\u00f4 t\u1ea3<\/th>\nC\u00e1c b\u1ea3ng Siemens t\u01b0\u01a1ng th\u00edch<\/th>\nGhi Ch\u00fa<\/th>\n<\/tr>\n<\/thead>\n
Lo\u1ea1i QP (1 c\u1ef1c v\u00e0 2 c\u1ef1c)<\/span><\/td>\nC\u1ea7u dao k\u00edch th\u01b0\u1edbc ti\u00eau chu\u1ea9n, 1 inch m\u1ed7i c\u1ef1c<\/td>\nT\u1ea5t c\u1ea3 c\u00e1c trung t\u00e2m t\u1ea3i v\u00e0 b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n Siemens ch\u1ea5p nh\u1eadn c\u1ea7u dao c\u1eafm<\/td>\n\u0110\u00e2y l\u00e0 c\u1ea7u dao m\u1eb7c \u0111\u1ecbnh cho c\u00e1c b\u1ea3ng Siemens d\u00e0nh cho nh\u00e0 \u1edf. C\u0169ng ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c b\u1ea3ng Murray (th\u01b0\u01a1ng hi\u1ec7u thu\u1ed9c s\u1edf h\u1eefu c\u1ee7a Siemens) v\u00e0 m\u1ed9t s\u1ed1 b\u1ea3ng ITE c\u0169 h\u01a1n.<\/td>\n<\/tr>\n
Lo\u1ea1i QT (tandem\/duplex)<\/span><\/td>\nC\u1ea7u dao tandem, hai m\u1ea1ch 1 c\u1ef1c \u0111\u1ed9c l\u1eadp trong m\u1ed9t th\u00e2n 1 inch<\/td>\nC\u00e1c b\u1ea3ng Siemens \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea c\u1ee5 th\u1ec3 cho c\u1ea7u dao tandem; kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 c\u00e1c khe \u0111\u1ec1u ch\u1ea5p nh\u1eadn c\u1ea7u dao tandem<\/td>\nKi\u1ec3m tra nh\u00e3n b\u1ea3ng \u0111\u1ec3 bi\u1ebft c\u00e1c khe t\u01b0\u01a1ng th\u00edch v\u1edbi c\u1ea7u dao tandem. L\u1eafp \u0111\u1eb7t m\u1ed9t c\u1ea7u dao tandem trong m\u1ed9t khe kh\u00f4ng \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea c\u00f3 th\u1ec3 l\u00e0m qu\u00e1 t\u1ea3i thanh bus.<\/td>\n<\/tr>\n
Lo\u1ea1i QPH (1 c\u1ef1c v\u00e0 2 c\u1ef1c)<\/span><\/td>\nPhi\u00ean b\u1ea3n c\u00f3 kh\u1ea3 n\u0103ng ng\u1eaft cao c\u1ee7a QP, 22 kAIC ho\u1eb7c 25 kAIC<\/td>\nC\u00e1c b\u1ea3ng Siemens y\u00eau c\u1ea7u m\u1ee9c ng\u1eaft cao h\u01a1n<\/td>\nS\u1eed d\u1ee5ng khi d\u00f2ng \u0111i\u1ec7n l\u1ed7i c\u00f3 s\u1eb5n v\u01b0\u1ee3t qu\u00e1 m\u1ee9c ti\u00eau chu\u1ea9n 10 kAIC. Nh\u00e3n b\u1ea3ng ch\u1ec9 \u0111\u1ecbnh kh\u1ea3 n\u0103ng ng\u1eaft c\u1ea7n thi\u1ebft.<\/td>\n<\/tr>\n
Lo\u1ea1i QPF (GFCI) v\u00e0 Lo\u1ea1i QAF (AFCI)<\/span><\/td>\nC\u1ea7u dao \u0111\u1ecbnh d\u1ea1ng QP v\u1edbi b\u1ea3o v\u1ec7 l\u1ed7i \u0111\u1ea5t ho\u1eb7c b\u1ea3o v\u1ec7 l\u1ed7i h\u1ed3 quang t\u00edch h\u1ee3p<\/td>\nC\u00e1c b\u1ea3ng t\u01b0\u01a1ng th\u00edch v\u1edbi QP c\u1ee7a Siemens<\/td>\n\u0110\u00e2y l\u00e0 c\u00e1c c\u1ea7u dao k\u00edch th\u01b0\u1edbc \u0111\u1ea7y \u0111\u1ee7 chi\u1ebfm m\u1ed9t ho\u1eb7c hai khe ti\u00eau chu\u1ea9n. Ch\u00fang l\u00e0 c\u00e1ch d\u1ec5 nh\u1ea5t \u0111\u1ec3 th\u00eam b\u1ea3o v\u1ec7 GFCI ho\u1eb7c AFCI v\u00e0o m\u1ed9t b\u1ea3ng Siemens hi\u1ec7n c\u00f3.<\/td>\n<\/tr>\n
Lo\u1ea1i QD (3 c\u1ef1c)<\/span><\/td>\nC\u1ea7u dao 3 c\u1ef1c cho c\u00e1c \u1ee9ng d\u1ee5ng ba pha<\/td>\nC\u00e1c b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n ba pha c\u1ee7a Siemens<\/td>\nS\u1eed d\u1ee5ng trong c\u00e1c b\u1ea3ng ba pha th\u01b0\u01a1ng m\u1ea1i v\u00e0 c\u00f4ng nghi\u1ec7p nh\u1eb9. Kh\u00f4ng d\u00e0nh cho c\u00e1c b\u1ea3ng m\u1ed9t pha d\u00e0nh cho nh\u00e0 \u1edf.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Nh\u00e3n b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n \u2014 nh\u00e3n d\u00e1n b\u00ean trong c\u1eeda ho\u1eb7c tr\u00ean t\u01b0\u1eddng b\u00ean \u2014 l\u00e0 c\u01a1 quan c\u00f3 th\u1ea9m quy\u1ec1n cu\u1ed1i c\u00f9ng. N\u00f3 li\u1ec7t k\u00ea m\u1ecdi lo\u1ea1i c\u1ea7u dao \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m v\u00e0 li\u1ec7t k\u00ea cho b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n c\u1ee5 th\u1ec3 \u0111\u00f3. Siemens t\u1ef1 cung c\u1ea5p c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch tr\u00ean trang web c\u1ee7a m\u00ecnh, v\u00e0 c\u00e1c nh\u00e0 ph\u00e2n ph\u1ed1i \u0111i\u1ec7n nh\u01b0 Home Depot<\/a> cung c\u1ea5p c\u00e1c c\u00f4ng c\u1ee5 ki\u1ec3m tra kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch \u0111\u1ed1i chi\u1ebfu c\u00e1c lo\u1ea1i c\u1ea7u dao v\u1edbi c\u00e1c m\u1eabu b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n. Kh\u00f4ng c\u00f3 b\u1ea3ng tr\u1ef1c tuy\u1ebfn n\u00e0o thay th\u1ebf \u0111\u01b0\u1ee3c nh\u00e3n b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n.<\/p>\n

Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch \u0111a th\u01b0\u01a1ng hi\u1ec7u: Murray v\u00e0 ITE Legacy<\/h2>\n

C\u00f3 m\u1ed9t s\u1ed1 c\u00e2u tr\u1ea3 l\u1eddi r\u00f5 r\u00e0ng v\u00e0 m\u1ed9t s\u1ed1 c\u00e2u h\u1ecfi r\u1ea5t ph\u1ee9c t\u1ea1p li\u00ean quan \u0111\u1ebfn kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch do l\u1ecbch s\u1eed mua l\u1ea1i c\u1ee7a Siemens. \u0110\u1ec3 l\u00e0m r\u00f5 m\u1ed9t s\u1ed1 \u0111i\u1ec3m n\u00e0y: Siemens s\u1edf h\u1eefu th\u01b0\u01a1ng hi\u1ec7u Murray v\u00e0 s\u1ebd l\u00e0 h\u1ee3p l\u00fd khi s\u1eed d\u1ee5ng c\u1ea7u dao Siemens Type QP trong b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n Murray n\u1ebfu n\u00f3 \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea tr\u00ean c\u1eeda b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n l\u00e0 \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1edfi Murray. C\u0169ng c\u00f3 th\u1ef1c t\u1ebf l\u00e0 Siemens \u0111\u00e3 mua l\u1ea1i m\u1ed9t ph\u1ea7n d\u00f2ng s\u1ea3n ph\u1ea9m ITE (Inverse Time Element) v\u00e0 nhi\u1ec1u b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n ITE c\u0169 ch\u1ea5p nh\u1eadn c\u1ea7u dao SIemens QP, nh\u01b0ng kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 \u0111\u1ec1u nh\u01b0 v\u1eady. Ngu\u1ed3n th\u00f4ng tin \u0111\u00e1ng tin c\u1eady duy nh\u1ea5t cho m\u1ed9t b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n ITE c\u0169 l\u00e0 nh\u00e3n c\u1ee7a n\u00f3.<\/p>\n

C\u00e2u tr\u1ea3 l\u1eddi cu\u1ed1i c\u00f9ng cho c\u00e2u h\u1ecfi \u201cC\u1ea7u dao Eaton c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n Siemens kh\u00f4ng?<\/span>\u201d l\u00e0 \u201cKh\u00f4ng,\u201d tr\u1eeb khi c\u1ea7u dao Eaton \u0111\u01b0\u1ee3c x\u1ebfp h\u1ea1ng UL c\u1ee5 th\u1ec3 cho vi\u1ec7c s\u1eed d\u1ee5ng trong b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n Siemens \u0111\u00f3. C\u1ea7u dao Eaton BR ho\u1eb7c CH th\u00f4ng th\u01b0\u1eddng ch\u1ec9 \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea \u0111\u1ec3 s\u1eed d\u1ee5ng trong b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n mang th\u01b0\u01a1ng hi\u1ec7u Eaton ho\u1eb7c Cutler-Hammer. Vi\u1ec7c l\u1eafp \u0111\u1eb7t b\u1ea5t k\u1ef3 c\u1ea7u dao n\u00e0o trong s\u1ed1 n\u00e0y v\u00e0o b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n Siemens l\u00e0 vi ph\u1ea1m quy \u0111\u1ecbnh v\u00e0 g\u00e2y ra nguy c\u01a1 an to\u00e0n nghi\u00eam tr\u1ecdng do kh\u1ea3 n\u0103ng x\u1ea3y ra ch\u00e1y. Quy t\u1eafc n\u00e0y \u0111\u00fang cho t\u1ea5t c\u1ea3 c\u00e1c th\u01b0\u01a1ng hi\u1ec7u l\u1edbn; t\u1ee9c l\u00e0, c\u1ea7u dao Square D \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea \u0111\u1ec3 s\u1eed d\u1ee5ng trong b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n Square D, c\u1ea7u dao Siemens \u0111\u1ec3 s\u1eed d\u1ee5ng trong b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n Siemens v\u00e0 v\u00e2n v\u00e2n, v\u1edbi m\u1ed9t ngo\u1ea1i l\u1ec7 h\u1eb9p, c\u1ea7u dao \u0111\u01b0\u1ee3c x\u1ebfp h\u1ea1ng UL \u0111\u01b0\u1ee3c \u0111\u00e1nh d\u1ea5u cho vi\u1ec7c s\u1eed d\u1ee5ng c\u1ea1nh tranh. \u0110\u1ec3 bi\u1ebft th\u00eam chi ti\u1ebft v\u1ec1 khung ch\u1ee9ng nh\u1eadn \u0111i\u1ec1u ch\u1ec9nh \u0111i\u1ec1u n\u00e0y, b\u00e0i vi\u1ebft c\u1ee7a ch\u00fang t\u00f4i tr\u00ean <\/span>c\u00e1c c\u1ea7u dao UL 489<\/a> gi\u1ea3i th\u00edch c\u00e1c th\u1eed nghi\u1ec7m m\u00e0 m\u1ed9t c\u1ea7u dao ph\u1ea3i v\u01b0\u1ee3t qua tr\u01b0\u1edbc khi \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea cho m\u1ed9t b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n. V\u00e0 \u0111\u1ec3 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 trong vi\u1ec7c kh\u1edbp x\u1ebfp h\u1ea1ng c\u1ee7a c\u1ea7u dao v\u1edbi m\u1ea1ch c\u1ee5 th\u1ec3, h\u01b0\u1edbng d\u1eabn c\u1ee7a ch\u00fang t\u00f4i tr\u00ean <\/span>k\u00edch th\u01b0\u1edbc c\u1ea7u dao b\u1ea1n c\u1ea7n<\/a> quy tr\u00ecnh k\u00edch th\u01b0\u1edbc d\u1ef1a tr\u00ean NEC.<\/span><\/p>\n

\"T\u00ednh<\/p>\n

C\u00e1ch ki\u1ec3m tra kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch c\u1ee7a c\u1ea7u dao m\u1ed9t c\u00e1ch an to\u00e0n<\/h2>\n

Ki\u1ec3m tra xem m\u1ed9t\u00a0c\u1ea7u dao<\/strong>\u00a0c\u00f3 t\u01b0\u01a1ng th\u00edch v\u1edbi b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n hay kh\u00f4ng l\u00e0 m\u1ed9t quy tr\u00ecnh c\u00f3 h\u1ec7 th\u1ed1ng, kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t s\u1ef1 \u0111o\u00e1n:<\/p>\n

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  1. \u0110\u1ecdc nh\u00e3n b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n.<\/strong>\u00a0Ch\u1ee9a danh s\u00e1ch c\u00e1c lo\u1ea1i c\u1ea7u dao, x\u1ebfp h\u1ea1ng \u0111i\u1ec7n \u00e1p c\u1ee7a ch\u00fang, kh\u1ea3 n\u0103ng ng\u1eaft m\u1ea1ch, & c\u00e1c khe n\u00e0o nh\u1eadn c\u1ea7u dao \u0111\u00f4i. Ch\u1ee5p \u1ea3nh nh\u00e3n n\u00e0y \u0111\u1ec3 tham kh\u1ea3o l\u00e2u d\u00e0i tr\u00ean \u0111i\u1ec7n tho\u1ea1i c\u1ee7a b\u1ea1n.<\/li>\n
  2. Kh\u1edbp lo\u1ea1i c\u1ea7u dao v\u1edbi nh\u00e3n.<\/strong>\u00a0Ch\u1ec9 s\u1eed d\u1ee5ng c\u1ea7u dao Siemens Type QP khi b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n y\u00eau c\u1ea7u lo\u1ea1i c\u1ea7u dao \u0111\u00f3 (c\u0169ng ch\u1ec9 s\u1eed d\u1ee5ng Siemens GFCI\/AFCI b\u1ea1n ch\u1ec9 c\u00f3 th\u1ec3 thay th\u1ebf n\u1ebfu b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n n\u00eau r\u00f5 nh\u01b0 v\u1eady). B\u1ea1n kh\u00f4ng th\u1ec3 s\u1eed d\u1ee5ng c\u1ea7u dao QT, c\u1ea7u dao BR, ho\u1eb7c c\u1ea7u dao Homeline ho\u1eb7c b\u1ea5t k\u1ef3 th\u01b0\u01a1ng hi\u1ec7u n\u00e0o kh\u00e1c ngo\u00e0i Siemens khi s\u1eed d\u1ee5ng c\u1ea7u dao Type QP.<\/li>\n
  3. Kh\u1edbp kh\u1ea3 n\u0103ng ng\u1eaft m\u1ea1ch.<\/strong>\u00a0M\u1eb7c d\u00f9 c\u1ea7u dao 10 kAIC c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t trong c\u00f9ng lo\u1ea1i b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n nh\u01b0 c\u1ea7u dao 22 kAIC v\u00e0 c\u00f3 c\u00f9ng k\u00edch th\u01b0\u1edbc v\u00e0 x\u1ebfp h\u1ea1ng ampe, b\u1ea1n kh\u00f4ng th\u1ec3 l\u1eafp \u0111\u1eb7t c\u1ea7u dao 10 kAIC trong b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n \u0111\u01b0\u1ee3c x\u1ebfp h\u1ea1ng 22 kAIC.<\/li>\n
  4. X\u00e1c minh t\u00ecnh tr\u1ea1ng v\u1eadt l\u00fd c\u1ee7a thanh bus.<\/strong>\u00a0C\u00e1c \u0111\u1ea7u n\u1ed1i bus \u0111\u00e3 b\u1ecb \u0103n m\u00f2n ho\u1eb7c h\u01b0 h\u1ecfng c\u01a1 h\u1ecdc s\u1ebd kh\u00f4ng cung c\u1ea5p m\u1ed9t ph\u01b0\u01a1ng ti\u1ec7n k\u1ebft n\u1ed1i an to\u00e0n cho b\u1ea5t k\u1ef3 b\u1ed9 ng\u1eaft n\u00e0o, b\u1ea5t k\u1ec3 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch c\u1ee7a ch\u00fang. N\u1ebfu b\u1ea1n nh\u1eadn th\u1ea5y d\u1ea5u hi\u1ec7u c\u1ee7a s\u1ef1 h\u1ed3 quang, \u0103n m\u00f2n, ho\u1eb7c pitting tr\u00ean m\u1ed9t thanh bus, \u0111i\u1ec1u \u0111\u00f3 c\u00f3 th\u1ec3 ch\u1ec9 ra r\u1eb1ng b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n c\u1ea7n ph\u1ea3i \u0111\u01b0\u1ee3c thay th\u1ebf.<\/li>\n<\/ol>\n

    C\u00e1c b\u1ed9 ng\u1eaft Siemens QP v\u00e0 QT c\u00f3 th\u1ec3 thay th\u1ebf cho nhau kh\u00f4ng?<\/h2>\n

    M\u1ed9t b\u1ed9 ng\u1eaft Siemens QP \u0111\u01b0\u1ee3c coi l\u00e0 m\u1ed9t b\u1ed9 ng\u1eaft k\u00edch th\u01b0\u1edbc \u0111\u1ea7y \u0111\u1ee7 th\u1ef1c s\u1ef1 1\u2033 cho m\u1ed7i c\u1ef1c. M\u1ed9t QT \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 l\u00e0 m\u1ed9t b\u1ed9 ng\u1eaft song song v\u1edbi hai m\u1ea1ch \u0111\u01a1n c\u1ef1c \u0111\u1ed9c l\u1eadp \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t trong m\u1ed9t inch kh\u00f4ng gian, v\u00e0 y\u00eau c\u1ea7u b\u1ea1n s\u1eed d\u1ee5ng c\u00e1c khe l\u1eafp \u0111\u1eb7t b\u1ed9 ng\u1eaft song song \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh \u0111\u1ec3 l\u1eafp \u0111\u1eb7t ch\u00fang \u0111\u00fang c\u00e1ch. M\u1ed9t QP c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t trong b\u1ea5t k\u1ef3 khe n\u00e0o c\u00f3 s\u1eb5n, trong khi m\u1ed9t QT ch\u1ec9 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t trong m\u1ed9t khe m\u00e0 nh\u00e3n c\u1ee7a b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n b\u1ed9 ng\u1eaft \u0111\u01b0\u1ee3c \u0111\u00e1nh d\u1ea5u b\u1eb1ng \u201ctandem\u201d. N\u1ebfu b\u1ea1n c\u1ed1 g\u1eafng s\u1eed d\u1ee5ng m\u1ed9t QT trong m\u1ed9t khe th\u00f4ng th\u01b0\u1eddng, c\u00f3 kh\u1ea3 n\u0103ng b\u1ea1n c\u00f3 th\u1ec3 l\u00e0m h\u1ecfng thanh bus do qu\u00e1 t\u1ea3i k\u1ebft n\u1ed1i bus ho\u1eb7c kh\u00f4ng l\u1eafp \u0111\u00fang b\u1ed9 ng\u1eaft trong k\u1ebft n\u1ed1i bus. \u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng nguy\u00ean nh\u00e2n h\u00e0ng \u0111\u1ea7u g\u00e2y h\u01b0 h\u1ecfng thanh bus trong c\u00e1c b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n b\u1ed9 ng\u1eaft m\u1ea1ch d\u00e2n d\u1ee5ng.<\/p>\n

    C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n

    C\u00e1c b\u1ed9 ng\u1eaft Siemens t\u01b0\u01a1ng th\u00edch v\u1edbi g\u00ec?<\/h3>\n

    C\u00e1c b\u1ed9 ng\u1eaft Siemens lo\u1ea1i QP<\/strong>\u00a0Trung t\u00e2m t\u1ea3i Siemens & b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n, b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n Murray (thu\u1ed9c s\u1edf h\u1eefu c\u1ee7a Siemens), v\u00e0 m\u1ed9t s\u1ed1 b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n ITE l\u1ed7i th\u1eddi c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng c\u00f9ng nhau m\u1ed9t c\u00e1ch h\u00e0i h\u00f2a. C\u00e1c b\u1ea3ng duy nh\u1ea5t kh\u00f4ng th\u1ec3 k\u1ebft h\u1ee3p \u0111\u1ed3ng thu\u1eadn l\u00e0 nh\u1eefng b\u1ea3ng \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1edfi Square D, Eaton ho\u1eb7c GE tr\u1eeb khi \u0111\u01b0\u1ee3c UL ph\u00e2n lo\u1ea1i c\u1ee7a b\u1ed9 ng\u1eaft m\u1ea1ch c\u0169ng nh\u01b0 c\u00e1c d\u1ea5u hi\u1ec7u l\u00e0m r\u00f5 t\u00ednh cho ph\u00e9p s\u1eed d\u1ee5ng v\u1edbi b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n c\u1ee7a c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t kh\u00e1c.<\/p>\n

    C\u00e1ch ki\u1ec3m tra t\u00ednh t\u01b0\u01a1ng th\u00edch c\u1ee7a b\u1ed9 ng\u1eaft m\u1ea1ch?<\/h3>\n

    Nh\u00ecn v\u00e0o nh\u00e3n b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n b\u00ean trong c\u1eeda n\u01a1i cung c\u1ea5p chi ti\u1ebft v\u1ec1 c\u00e1c thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 m\u1ea1ch \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t v\u00e0 c\u00f4ng su\u1ea5t ng\u1eaft y\u00eau c\u1ea7u; n\u00f3 c\u0169ng hi\u1ec3n th\u1ecb c\u00e1c khe b\u1ed9 ng\u1eaft m\u1ea1ch c\u00f3 th\u1ec3 ch\u1ea5p nh\u1eadn b\u1ed9 ng\u1eaft Tandem v\u00e0 sau \u0111\u00f3 x\u00e1c minh r\u1eb1ng lo\u1ea1i b\u1ed9 ng\u1eaft m\u1ea1ch b\u1ea1n \u0111ang l\u1eafp \u0111\u1eb7t t\u01b0\u01a1ng \u1ee9ng v\u1edbi nh\u1eefng g\u00ec \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea l\u00e0 ch\u1ea5p nh\u1eadn tr\u00ean nh\u00e3n. Nh\u00e3n b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n l\u00e0 quy\u1ebft \u0111\u1ecbnh cu\u1ed1i c\u00f9ng v\u1ec1 t\u00ednh ch\u00ednh x\u00e1c c\u1ee7a vi\u1ec7c l\u1eafp \u0111\u1eb7t c\u1ee7a b\u1ea1n.<\/p>\n

    T\u00f4i c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng b\u1ed9 ng\u1eaft Eaton trong b\u1ea3ng Siemens kh\u00f4ng?<\/h3>\n

    B\u1ed9 ng\u1eaft Eaton BR ho\u1eb7c CH ti\u00eau chu\u1ea9n kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t tr\u00ean b\u1ea3ng Siemens v\u00ec ch\u00fang kh\u00f4ng \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea ho\u1eb7c ph\u00ea duy\u1ec7t \u0111\u1ec3 s\u1eed d\u1ee5ng trong \u1ee9ng d\u1ee5ng n\u00e0y tr\u1eeb khi b\u1ed9 ng\u1eaft c\u1ee5 th\u1ec3 \u0111\u00f3 \u0111\u01b0\u1ee3c UL ph\u00e2n lo\u1ea1i cho lo\u1ea1i b\u1ea3ng Siemens \u0111\u00f3. N\u1ebfu b\u1ea1n l\u1eafp \u0111\u1eb7t lo\u1ea1i b\u1ed9 ng\u1eaft kh\u00f4ng \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea, b\u1ea1n s\u1ebd l\u00e0m m\u1ea5t hi\u1ec7u l\u1ef1c ch\u1ee9ng nh\u1eadn an to\u00e0n c\u1ee7a to\u00e0n b\u1ed9 b\u1ea3ng.<\/p>\n

    B\u1ed9 ng\u1eaft Siemens QP v\u00e0 QT c\u00f3 th\u1ec3 thay th\u1ebf cho nhau kh\u00f4ng?<\/h3>\n

    Kh\u00f4ng. Lo\u1ea1i QP l\u00e0 b\u1ed9 ng\u1eaft m\u1ea1ch k\u00edch th\u01b0\u1edbc \u0111\u1ea7y \u0111\u1ee7 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t \u1edf b\u1ea5t k\u1ef3 v\u1ecb tr\u00ed n\u00e0o trong b\u1ea3ng t\u01b0\u01a1ng th\u00edch. Lo\u1ea1i QT l\u00e0 b\u1ed9 ng\u1eaft m\u1ea1ch tandem ch\u1ec9 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t \u1edf nh\u1eefng khe c\u1ee7a b\u1ea3ng \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh c\u1ee5 th\u1ec3 tr\u00ean nh\u00e3n b\u1ea3ng l\u00e0 t\u01b0\u01a1ng th\u00edch v\u1edbi b\u1ed9 ng\u1eaft tandem; do \u0111\u00f3 QT kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t \u1edf khe kh\u00f4ng ph\u1ea3i tandem.<\/p>\n

    T\u00e0i li\u1ec7u tham kh\u1ea3o<\/h2>\n