发明名称 |
Circuit breaker with fast trip unit |
摘要 |
A circuit breaker structure having a faster trip unit characterized by a circuit breaker operator and a trip unit comprising a coil, a core, and an armature, a flux concentrating plate spaced from and on the side of the armature opposite the core and for concentrating the magnetic field between the core and the armature, and a hold-back bracket having extending from and retaining the armature in a spaced position from the core so as to cause the magnetic field lines to flow through the bracket and the armature.
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申请公布号 |
US4719438(A) |
申请公布日期 |
1988.01.12 |
申请号 |
US19860913877 |
申请日期 |
1986.09.30 |
申请人 |
WESTINGHOUSE ELECTRIC CORP. |
发明人 |
MRENNA, STEPHEN A.;GRUNERT, KURT A.;WEISS, JONATHAN;GARG, VIJAY K. |
分类号 |
H01H3/28;H01H71/16;H01H71/24;H01H71/74;(IPC1-7):H01H75/10;H01H77/04;H01H81/00;H01H83/00 |
主分类号 |
H01H3/28 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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