Circuit breaker with one-piece crossbar including an integrally

Details Circuit breaker with one-piece crossbar including an integrally Circuit breaker with one-piece crossbar including an integrally

1995-03-30

1996-03-26

Donovan, Lincoln

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Tripping means

335 16, H01H 900

Patent

active

055024289

ABSTRACT:
A multi-phase circuit breaker including novel crossbar for opening and closing the circuit breaker contact arms. The crossbar is a one-piece plastic component molded to include an operating arm, insulating barriers for separating the contact arms of each phase, and the cam surfaces which interact with the cam followers of the contact arms. The operating arm is linked to the operating mechanism of the circuit breaker so that operation of the mechanism will pivot the crossbar which pivots the contact arms between their open and closed positions.

REFERENCES:
patent: 4488133 (1984-12-01), McClellan et al.
patent: 4611106 (1986-09-01), Pardini et al.
patent: 4611187 (1986-09-01), Banfi
patent: 5184099 (1993-02-01), DiMarco et al.
patent: 5361051 (1994-11-01), DiMarco et al.
patent: 5363076 (1994-11-01), Miller et al.

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