发明授权
- 专利标题： Selective trip unit for a multipole circuit breaker
- 专利标题（中）： 多极断路器的选择性跳闸单元
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申请号： US968017申请日： 1997-11-12
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公开(公告)号： US5831499A公开(公告)日： 1998-11-03
- 发明人: Pierre Batteux , Olivier Dujeu , Serge Terpend
- 申请人： Pierre Batteux , Olivier Dujeu , Serge Terpend
- 申请人地址： FRX
- 专利权人： Schneider Electric SA
- 当前专利权人： Schneider Electric SA
- 当前专利权人地址： FRX
- 优先权： FRX9615607 19961213
- 主分类号： H01H71/34
- IPC分类号： H01H71/34 ; H01H71/44 ; H01H75/00
摘要：
A selective magnetic trip unit comprises a fixed magnetic armature located facing a movable magnetic armature and a damping device with a blade mounted on the movable magnetic armature. The damping device is designed to be in an inactive state up to an intermediate non-tripping position when the movable magnetic armature is attracted by polar parts of the fixed magnetic armature during a first travel, switching to the active state resulting from a deformation of the damping device during a second travel of the movable armature between the intermediate position and the final attraction position causing tripping of the circuit breaker.