专利名称：Instantaneous trip device of a circuit breaker发明人：Robert Morel,Marc Rival,Hubert Garcia申请号：US07/685634申请日：19910416公开号：US05103198A公开日：19920407
摘要：A limiting circuit breaker with a molded case comprises an overpressureactuator which, when an overpressure occurs in the arc extinguishing chamber due to theaction of an arc drawn by the electrodynamic repulsion of the contacts, brings aboutactuation by a piston, subjected to this overpressure, of the circuit breaker trip bar. Theoverpressure actuator forms an almost leaktight assembly.
申请人：MERLIN GERIN
代理机构：Parkhurst, Wendel & Rossi
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