Mid range voltage electrical circuit breaker

摘要

The device has two electrical contacts (1,2) each mounted on isolators (3) on a frame (4) the contact are widely spaced with the connection provided by a movable contact blade (5) that is pivot mounted onto one of the fixed contacts. The necessary contact force is provided by a torsion spring that is built into the pivot assembly. The device is in series with a vacuum switch and responds at a specific load current.