POWER CIRCUIT BREAKER WITH OPTIMIZED HOUSING STABILIZATION BY VIRTUE OF FIXED SWITCHING PIECES HAVING CLAMPING ACTION

摘要

A circuit breaker includes a sliding contact, in which a movable contact that is mounted on a spring is located, the contact lying opposite a fixed contact. In an embodiment, the fixed contact has a horn-shaped contour that engages in mating contours of the switching chamber walls of the circuit breaker.

主权项

1. A power circuit breaker comprising:
a contact slide; a fixed switching piece including a horned contour; and a movable switching piece, mounted on a spring and arranged in the movable switching piece, opposite the fixed switching piece, the horned contour of the fixed switching piece being configured to engage in mating contours on switching chamber walls of the power circuit breaker.