Patent ID: 6049051
Filing Date: 2000-04-11
Classification: H01H

Abstract:
A low-voltage circuit breaker comprising:electrical contacts;poles containing levers for opening and closing said contacts, with terminals protruding from the circuit breaker; andan electric arc extinction chamber;wherein the levers, the terminals and the extinction chamber are enclosed in half-shells of containment which fit together, said half-shells being made of insulating material; wherein the rear wall of the half-shells, which form a pole, presents openings surrounding a protruding part of the terminals; wherein the front wall of the half-shells is provided with an opening for the passage of means of connection of the levers to a device for controlling the circuit breaker and wherein several poles are housed in a supporting and stiffening frame, said frame being composed of flanks connected together by transverse bars and reinforcing cross-members.