{"id":2929,"date":"2026-07-08T15:56:20","date_gmt":"2026-07-08T15:56:20","guid":{"rendered":"https:\/\/huyuglobal.com\/?p=2929"},"modified":"2026-07-08T15:56:22","modified_gmt":"2026-07-08T15:56:22","slug":"are-ite-breakers-still-available","status":"publish","type":"post","link":"https:\/\/huyuglobal.com\/vi\/blog\/are-ite-breakers-still-available\/","title":{"rendered":"C\u00e1c b\u1ed9 ng\u1eaft ITE c\u00f2n c\u00f3 s\u1eb5n kh\u00f4ng?"},"content":{"rendered":"

N\u1ebfu ng\u00f4i nh\u00e0 c\u1ee7a b\u1ea1n \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng t\u1eeb nh\u1eefng n\u0103m 1950 \u0111\u1ebfn 1990, c\u00f3 kh\u1ea3 n\u0103ng cao r\u1eb1ng b\u1ea3ng \u0111i\u1ec7n trong ng\u00f4i nh\u00e0 c\u1ee7a b\u1ea1n thu\u1ed9c th\u01b0\u01a1ng hi\u1ec7u\u00a0ITE. Trong m\u1ed9t th\u1eddi gian d\u00e0i,\u00a0ITE\u00a0(Th\u00e0nh ph\u1ea7n Th\u1eddi gian Ng\u01b0\u1ee3c) l\u00e0 m\u1ed9t trong nh\u1eefng c\u1ea7u dao ph\u1ed5 bi\u1ebfn nh\u1ea5t \u1edf B\u1eafc M\u1ef9, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng l\u1edbn h\u1ec7 th\u1ed1ng nh\u00e0 \u1edf v\u00e0 kinh doanh. Ng\u00e0y nay, khi m\u1ed9t c\u1ea7u dao b\u1ecb ng\u1eaft v\u00e0 c\u1ea7n ph\u1ea3i thay th\u1ebf, c\u1ea3 ch\u1ee7 nh\u00e0 v\u00e0 th\u1ee3 \u0111i\u1ec7n \u0111\u1ec1u t\u1ef1 h\u1ecfi li\u1ec7u\u00a0ITE\u00a0c\u00f3 ti\u1ebfp t\u1ee5c s\u1ea3n xu\u1ea5t c\u00e1c s\u1ea3n ph\u1ea9m c\u1ee7a h\u1ecd hay kh\u00f4ng. \u0110i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i hi\u1ec3u r\u1eb1ng b\u00e2y gi\u1edd khi s\u1ea3n ph\u1ea9m g\u1ed1c c\u1ee7a th\u01b0\u01a1ng hi\u1ec7u kh\u00f4ng c\u00f2n \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t, c\u00e1c m\u1ea1ch m\u00e0 n\u00f3 \u0111\u01b0\u1ee3c t\u1ea1o ra v\u1eabn \u0111ang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u00ec ch\u00fang c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y trong c\u00e1c c\u1eeda h\u00e0ng tr\u00ean kh\u1eafp Hoa K\u1ef3.<\/p>\n

Di s\u1ea3n ITE: N\u01a1i th\u01b0\u01a1ng hi\u1ec7u xu\u1ea5t ph\u00e1t v\u00e0 n\u01a1i n\u00f3 \u0111\u00e3 \u0111i<\/h2>\n

C\u00f4ng ty C\u1ea7u dao ITE l\u1ea7n \u0111\u1ea7u ti\u00ean xu\u1ea5t hi\u1ec7n v\u00e0o \u0111\u1ea7u nh\u1eefng n\u0103m 1900 v\u00e0 tr\u1edf th\u00e0nh m\u1ed9t ng\u01b0\u1eddi ch\u01a1i quan tr\u1ecdng trong ng\u00e0nh \u0111i\u1ec7n b\u1eb1ng c\u00e1ch t\u1ea1o ra c\u1ea7u dao c\u00f3 th\u1ec3 \u0111\u1eb7t l\u1ea1i \u0111\u1ea7u ti\u00ean. Sau khi tr\u1ea3i qua nhi\u1ec1u cu\u1ed9c s\u00e1p nh\u1eadp v\u00e0 mua l\u1ea1i, ITE \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t ph\u1ea7n c\u1ee7a Siemens \u2014 m\u1ed9t nh\u00e0 l\u00e3nh \u0111\u1ea1o to\u00e0n c\u1ea7u trong l\u0129nh v\u1ef1c k\u1ef9 thu\u1eadt \u0111i\u1ec7n. Khi Siemens ti\u1ebfp qu\u1ea3n m\u1ed9t ph\u1ea7n d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t c\u1ee7a ITE, h\u1ecd \u0111\u00e3 ti\u1ebfp t\u1ee5c s\u1ea3n xu\u1ea5t m\u1eabu n\u00e0y \u2014 \u0111\u1ea7u ti\u00ean gi\u1eef l\u1ea1i logo k\u00e9p ITE\/Siemens, v\u00e0 sau \u0111\u00f3 ch\u1ec9 s\u1eed d\u1ee5ng th\u01b0\u01a1ng hi\u1ec7u Siemens. Thi\u1ebft k\u1ebf c\u1ee7a c\u1ea7u dao g\u1ea7n nh\u01b0 kh\u00f4ng thay \u0111\u1ed5i, v\u00e0 do \u0111\u00f3, m\u1ed9t c\u1ea7u dao Siemens hi\u1ec7n nay l\u00e0 c\u00f9ng m\u1ed9t thi\u1ebft b\u1ecb m\u00e0 c\u00f4ng ty \u0111\u00e3 s\u1ea3n xu\u1ea5t.<\/p>\n

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

Nh\u1eefng c\u1ea7u dao hi\u1ec7n \u0111\u1ea1i n\u00e0o thay th\u1ebf ITE?<\/h2>\n

\u0110\u1ed1i v\u1edbi h\u1ea7u h\u1ebft c\u00e1c l\u1eafp \u0111\u1eb7t b\u1ea3ng ITE trong h\u1ed9 gia \u0111\u00ecnh v\u00e0 quy m\u00f4 nh\u1ecf, c\u1ea7u dao thay th\u1ebf t\u01b0\u01a1ng th\u00edch l\u00e0 lo\u1ea1i Siemens QP (ho\u1eb7c lo\u1ea1i ng\u1eaft cao). Nh\u1eefng c\u1ea7u dao n\u00e0y c\u00f3 kh\u1ea3 n\u0103ng c\u1eafm v\u00e0o gi\u1ed1ng nh\u01b0, k\u00edch th\u01b0\u1edbc v\u00e0 tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n UL 489 nh\u01b0 c\u00e1c c\u1ea7u dao ITE g\u1ed1c. Ch\u00fang c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c cung c\u1ea5p d\u01b0\u1edbi nhi\u1ec1u lo\u1ea1i kh\u00e1c nhau nh\u01b0 lo\u1ea1i \u0111\u01a1n pha, lo\u1ea1i \u0111\u00f4i pha, GFCI, AFCI v\u00e0 lo\u1ea1i \u0111a n\u0103ng, cho ph\u00e9p c\u00e1c b\u1ea3ng ITE c\u0169 \u0111\u01b0\u1ee3c n\u00e2ng c\u1ea5p v\u1edbi c\u00f4ng ngh\u1ec7 hi\u1ec7n \u0111\u1ea1i.<\/p>\n

\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o vi\u1ec7c thay th\u1ebf th\u00e0nh c\u00f4ng, b\u1ea1n c\u1ea7n ki\u1ec3m tra nh\u00e3n b\u1ea3ng. Nh\u00e3n d\u00e1n b\u00ean trong c\u1eeda ch\u1ee9a th\u00f4ng tin v\u1ec1 c\u00e1c lo\u1ea1i c\u1ea7u dao n\u00e0o \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn. Trong m\u1ed9t b\u1ea3ng ITE, nh\u00e3n c\u00f3 th\u1ec3 ghi nh\u01b0 \u201cITE Type QP\u201d, \u201cSiemens Type QP\u201d, ho\u1eb7c ch\u1ec9 \u0111\u1ec1 c\u1eadp \u0111\u1ebfn lo\u1ea1i c\u1ea7u dao g\u1ed1c t\u1eeb d\u00f2ng ITE ph\u00f9 h\u1ee3p v\u1edbi Type QP. Do \u0111\u00f3, n\u1ebfu nh\u00e3n ghi \u201cType QP\u201d, \u0111i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 b\u1ea1n c\u1ea7n c\u1ea7u dao Siemens Type QP. Trong tr\u01b0\u1eddng h\u1ee3p nh\u00e3n b\u1ecb thi\u1ebfu ho\u1eb7c kh\u00f3 \u0111\u1ecdc, c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh lo\u1ea1i c\u1ea7u dao d\u1ef1a tr\u00ean s\u1ed1 m\u00f4 h\u00ecnh b\u1ea3ng ho\u1eb7c h\u00ecnh d\u1ea1ng c\u1ee7a k\u1ebft n\u1ed1i thanh bus. Gi\u1ed1ng nh\u01b0 v\u1edbi b\u1ea5t k\u1ef3 lo\u1ea1i b\u1ea3ng n\u00e0o, vi\u1ec7c s\u1eed d\u1ee5ng m\u1ed9t c\u1ea7u dao kh\u00f4ng c\u00f3 trong danh s\u00e1ch c\u00e1c c\u1ea7u dao ch\u1ea5p nh\u1eadn c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn ch\u00e1y. \u0110\u1ec3 \u0111\u01b0\u1ee3c gi\u00fap \u0111\u1ee1 trong vi\u1ec7c kh\u1edbp c\u00f4ng su\u1ea5t c\u1ee7a c\u1ea7u dao v\u1edbi m\u1ea1ch, h\u01b0\u1edbng d\u1eabn c\u1ee7a ch\u00fang t\u00f4i v\u1ec1 k\u00edch th\u01b0\u1edbc c\u1ea7u dao b\u1ea1n c\u1ea7n<\/a> gi\u1ea3i th\u00edch quy tr\u00ecnh \u0111\u1ecbnh c\u1ee1 d\u1ef1a tr\u00ean NEC.<\/p>\n

\"C\u00f2n<\/p>\n

C\u00f2n c\u00e1c th\u01b0\u01a1ng hi\u1ec7u kh\u00e1c th\u00ec sao? B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u1ea7u dao Square D ho\u1eb7c Eaton kh\u00f4ng?<\/h2>\n

B\u1ea1n c\u00f3 th\u1ec3 t\u1ef1 h\u1ecfi, \u201cC\u00f3 ph\u1ea3i c\u1ea7u dao Square D t\u01b0\u01a1ng th\u00edch v\u1edbi b\u1ea3ng ITE kh\u00f4ng?\u201d C\u00e2u tr\u1ea3 l\u1eddi l\u00e0 kh\u00f4ng. C\u00e1c c\u1ea7u dao Square D Homeline ho\u1eb7c QO th\u00f4ng th\u01b0\u1eddng kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e9p s\u1eed d\u1ee5ng trong b\u1ea3ng ITE. \u0110i\u1ec1u n\u00e0y c\u0169ng \u00e1p d\u1ee5ng cho c\u00e1c c\u1ea7u dao Eaton BR v\u00e0 CH tr\u1eeb khi n\u00f3 c\u00f3 ph\u00e2n lo\u1ea1i UL r\u00f5 r\u00e0ng cho vi\u1ec7c s\u1eed d\u1ee5ng trong b\u1ea3ng ITE \u0111\u00f3, \u0111i\u1ec1u n\u00e0y l\u00e0 r\u1ea5t kh\u00f3 x\u1ea3y ra. N\u1ebfu b\u1ea1n s\u1eed d\u1ee5ng m\u1ed9t c\u1ea7u dao kh\u00f4ng \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea, n\u00f3 c\u00f3 th\u1ec3 g\u00e2y ra s\u1ef1 c\u1ed1 cho thanh bus v\u00e0 d\u1eabn \u0111\u1ebfn qu\u00e1 nhi\u1ec7t, \u0111i\u1ec1u n\u00e0y c\u0169ng c\u00f3 th\u1ec3 g\u00e2y r\u1eafc r\u1ed1i v\u1edbi thanh tra ho\u1eb7c b\u1ea3o hi\u1ec3m c\u1ee7a b\u1ea1n. C\u00e1ch an to\u00e0n v\u00e0 t\u1ed1t nh\u1ea5t \u0111\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y l\u00e0 s\u1eed d\u1ee5ng c\u1ea7u dao Siemens Type QP \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho b\u1ea3ng \u0111\u00f3.<\/p>\n

\u0110\u1ed1i v\u1edbi nh\u1eefng ai c\u1ea7n hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 khung ch\u1ee9ng nh\u1eadn ph\u00eda sau c\u00e1c danh s\u00e1ch c\u1ea7u dao, b\u00e0i vi\u1ebft c\u1ee7a ch\u00fang t\u00f4i v\u1ec1 c\u00e1c c\u1ea7u dao UL 489<\/a> gi\u1ea3i th\u00edch c\u00e1c ti\u00eau chu\u1ea9n th\u1eed nghi\u1ec7m v\u00e0 danh s\u00e1ch m\u00e0 m\u1ed7i c\u1ea7u dao ph\u1ea3i \u0111\u00e1p \u1ee9ng \u2014 v\u00e0 r\u1eb1ng m\u1ed9t c\u1ea7u dao kh\u00f4ng ph\u00f9 h\u1ee3p c\u00f3 th\u1ec3 vi ph\u1ea1m.<\/p>\n

C\u1ea7u dao thay th\u1ebf ITE c\u00f3 gi\u00e1 bao nhi\u00eau?<\/h2>\n

Gi\u00e1 c\u1ee7a c\u1ea7u dao Siemens QP cho b\u1ea3ng ITE r\u1ea5t c\u1ea1nh tranh v\u1edbi gi\u00e1 c\u1ee7a c\u00e1c th\u01b0\u01a1ng hi\u1ec7u c\u1ea7u dao d\u00e2n d\u1ee5ng l\u1edbn kh\u00e1c. M\u1ed9t c\u1ea7u dao QP \u0111\u01a1n c\u1ef1c 15-amp ho\u1eb7c 20-amp \u0111i\u1ec3n h\u00ecnh s\u1ebd c\u00f3 gi\u00e1 t\u1eeb $5 \u0111\u1ebfn $10 t\u1ea1i c\u00e1c c\u1eeda h\u00e0ng. M\u1ed9t c\u1ea7u dao QP GFCI ho\u1eb7c AFCI c\u00f3 gi\u00e1 t\u1eeb $30-$60. M\u1ed9t c\u1ea7u dao QP \u0111\u00f4i c\u1ef1c 50-amp cho l\u00f2 n\u01b0\u1edbng ho\u1eb7c \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed c\u00f3 gi\u00e1 t\u1eeb $15 \u0111\u1ebfn $25. Nh\u1eefng c\u1ea7u dao n\u00e0y d\u1ec5 d\u00e0ng c\u00f3 s\u1eb5n t\u1ea1i c\u00e1c c\u1eeda h\u00e0ng cung c\u1ea5p \u0111i\u1ec7n, c\u1eeda h\u00e0ng c\u1ea3i thi\u1ec7n nh\u00e0 v\u00e0 tr\u1ef1c tuy\u1ebfn. C\u00e1c m\u1ee9c gi\u00e1 \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb ph\u1ea3n \u00e1nh nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n c\u1ee7a s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t \u00e1p d\u1ee5ng cho b\u1ea5t k\u1ef3 d\u00f2ng c\u1ea7u dao d\u00e2n d\u1ee5ng l\u1edbn n\u00e0o.<\/p>\n

C\u00f3 ph\u1ea3i \u0111\u00e3 \u0111\u1ebfn l\u00fac thay th\u1ebf b\u1ea3ng ITE kh\u00f4ng?<\/h2>\n

M\u1eb7c d\u00f9 c\u00e1c c\u1ea7u dao ITE v\u1eabn c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y d\u01b0\u1edbi d\u1ea1ng thay th\u1ebf Siemens QP, nh\u01b0ng c\u00f3 th\u1ec3 \u0111\u00e1ng \u0111\u1ec3 xem x\u00e9t k\u1ef9 l\u01b0\u1ee1ng h\u01a1n v\u1ec1 b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n \u0111\u00f3. C\u00e1c b\u1ea3ng ITE th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 cao v\u00e0 kh\u00f4ng c\u00f3 h\u1ed3 s\u01a1 th\u1ea5t b\u1ea1i khi k\u00edch ho\u1ea1t \u0111\u01b0\u1ee3c ghi ch\u00e9p t\u1ed1t nh\u01b0 c\u00e1c b\u1ea3ng Federal Pacific Electric (FPE) ho\u1eb7c Zinsco. Tuy nhi\u00ean, b\u1ea5t k\u1ef3 b\u1ea3ng n\u00e0o \u0111\u00e3 v\u00e0i th\u1eadp k\u1ef7 tu\u1ed5i c\u00f3 th\u1ec3 c\u00f3 s\u1ef1 \u0103n m\u00f2n thanh bus, c\u00e1c k\u1ebft n\u1ed1i l\u1ecfng l\u1ebbo, ho\u1eb7c c\u00f3 m\u1ee9c c\u00f4ng su\u1ea5t kh\u00f4ng \u0111\u1ee7 cho nhu c\u1ea7u hi\u1ec7n nay. N\u1ebfu ai \u0111\u00f3 \u0111ang l\u1eafp \u0111\u1eb7t m\u1ed9t b\u1ed9 s\u1ea1c cho xe \u0111i\u1ec7n, m\u1ed9t m\u00e1y b\u01a1m nhi\u1ec7t, ho\u1eb7c th\u1eadm ch\u00ed m\u1ed9t v\u0103n ph\u00f2ng t\u1ea1i nh\u00e0, c\u00f3 th\u1ec3 h\u1ee3p l\u00fd \u0111\u1ec3 n\u00e2ng c\u1ea5p l\u00ean m\u1ed9t trung t\u00e2m t\u1ea3i hi\u1ec7n \u0111\u1ea1i 200-amp Siemens ho\u1eb7c t\u01b0\u01a1ng \u0111\u01b0\u01a1ng. M\u1ed9t th\u1ee3 \u0111i\u1ec7n c\u00f3 th\u1ec3 ki\u1ec3m tra t\u00ecnh tr\u1ea1ng c\u1ee7a c\u00e1c thanh bus, c\u00e1ch c\u00e1c k\u1ebft n\u1ed1i ho\u1ea1t \u0111\u1ed9ng v\u00e0 li\u1ec7u k\u00edch th\u01b0\u1edbc d\u1ecbch v\u1ee5 c\u00f3 \u0111\u1ee7 l\u1edbn hay kh\u00f4ng.<\/p>\n

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

C\u1ea7u dao n\u00e0o c\u00f3 th\u1ec3 thay th\u1ebf c\u1ea7u dao ITE?<\/h3>\n

C\u1ea7u dao Siemens Type QP \u0110\u00e2y l\u00e0 nh\u1eefng c\u1ea7u dao thay th\u1ebf tr\u1ef1c ti\u1ebfp cho lo\u1ea1i c\u1ea7u dao ITE l\u1ed7i th\u1eddi. Nh\u1eefng c\u1ea7u dao n\u00e0y t\u01b0\u01a1ng th\u00edch v\u1edbi c\u00f9ng m\u1ed9t c\u01a1 s\u1edf thanh bus v\u00e0 c\u00f3 c\u00e1c m\u1ee9c ampe ti\u00eau chu\u1ea9n ngo\u00e0i c\u00e1c phi\u00ean b\u1ea3n GFCI, AFCI v\u00e0 k\u1ebft h\u1ee3p c\u1ee7a c\u00e1c c\u1ea7u dao.<\/p>\n

Ai s\u1ea3n xu\u1ea5t c\u1ea7u dao ITE b\u00e2y gi\u1edd?<\/h3>\n

Hi\u1ec7n t\u1ea1i, kh\u00f4ng ai s\u1ea3n xu\u1ea5t c\u1ea7u dao mang th\u01b0\u01a1ng hi\u1ec7u ITE. Siemens \u0111\u00e3 mua l\u1ea1i d\u00f2ng s\u1ea3n ph\u1ea9m ITE v\u00e0 hi\u1ec7n s\u1ea3n xu\u1ea5t c\u00e1c c\u1ea7u dao t\u01b0\u01a1ng t\u1ef1 v\u1edbi nh\u00e3n Siemens Type QP. Thi\u1ebft k\u1ebf c\u1ee7a c\u00e1c c\u1ea7u dao kh\u00f4ng thay \u0111\u1ed5i; ch\u1ec9 c\u00f3 t\u00ean g\u1ecdi \u0111\u00e3 \u0111\u01b0\u1ee3c thay \u0111\u1ed5i.<\/p>\n

Th\u01b0\u01a1ng hi\u1ec7u n\u00e0o ph\u00f9 h\u1ee3p v\u1edbi b\u1ea3ng \u0111i\u1ec7n ITE?<\/h3>\n

C\u00e1c b\u1ed9 ng\u1eaft Siemens lo\u1ea1i QP<\/strong>\u00a0C\u00e1c b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n ph\u1ea3i ch\u00ednh x\u00e1c cho c\u00e1c b\u1ea3ng ITE. Nh\u00e3n b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n ph\u1ea3i bao g\u1ed3m \u201cType QP\u201d ho\u1eb7c m\u1ed9t lo\u1ea1i ITE l\u1ecbch s\u1eed ph\u00f9 h\u1ee3p v\u1edbi QP. Vi\u1ec7c s\u1eed d\u1ee5ng b\u1ea5t k\u1ef3 th\u01b0\u01a1ng hi\u1ec7u n\u00e0o kh\u00e1c l\u00e0 b\u1ecb c\u1ea5m tr\u1eeb khi th\u01b0\u01a1ng hi\u1ec7u \u0111\u00f3 \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i UL c\u1ee5 th\u1ec3 cho c\u00e1c b\u1ea3ng ITE.<\/p>\n

M\u1ed9t c\u1ea7u dao Siemens c\u00f3 v\u1eeba v\u1edbi b\u1ea3ng ITE kh\u00f4ng?<\/h3>\n

Ch\u1eafc ch\u1eafn r\u1ed3i. M\u1ed9t c\u1ea7u dao Siemens Type QP c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u1edbi m\u1ed9t b\u1ea3ng ITE t\u01b0\u01a1ng th\u00edch v\u1edbi c\u00e1c c\u1ea7u dao lo\u1ea1i Type QP. K\u1ebft n\u1ed1i v\u1edbi thanh bus gi\u1ed1ng nh\u01b0 v\u1edbi \u0111\u01a1n v\u1ecb ITE g\u1ed1c; do \u0111\u00f3, c\u00e1c c\u1ea7u dao Siemens \u0111\u01b0\u1ee3c coi l\u00e0 thay th\u1ebf ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c.<\/p>\n

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