发明名称 |
ELECTRICAL SWITCHING DEVICE |
摘要 |
The invention concerns an electrical switching device where destructive loading of the contact support (5) on appearance of short circuit forces in the on position is avoided. This is achieved by stops (8) in the extinction chamber which stop the opening movement of the contact bridge (4) before the contact spring (7) is compressed up to its closed length. |
申请公布号 |
WO9727605(A1) |
申请公布日期 |
1997.07.31 |
申请号 |
WO1997EP00182 |
申请日期 |
1997.01.16 |
申请人 |
SIEMENS AKTIENGESELLSCHAFT;HERBST, REINHARD;KOPPMANN, BARDO |
发明人 |
HERBST, REINHARD;KOPPMANN, BARDO |
分类号 |
H01H1/54;H01H3/00;H01H50/54;H01H73/02;H01H77/10 |
主分类号 |
H01H1/54 |
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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