Bistable operating device for circuit breaker, has core mounted movably on movable shaft and comprising axial blind housing extending on part of length of core, where one end of shaft engages in housing

摘要

The device has a core (30) movably mounted on a movable shaft (20) and made of magnetic material, where the core can slide freely on the shaft. The core has an axial blind housing (30A) that extends on a part of a length of the core. An end of the shaft engages in the housing, and the core has a drum (31) of large diameter, a drum (32) of small diameter, and an upset (33) formed at junction between the drums. An independent claim is also included for a circuit breaker of a battery of an electric installation embarked on a vehicle.