High rating multipole circuit breaker formed by two adjoined mol

Details High rating multipole circuit breaker formed by two adjoined mol High rating multipole circuit breaker formed by two adjoined mol

1988-12-05

1989-11-28

Broome, H.

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Automatic circuit-interrupting devices

361331, 361353, H01M 7500

Patent

active

048840475

ABSTRACT:
The circuit breaker is formed by two adjoined standard multipole molded cases, resin being cold-cast between the opposite side walls, comprising reliefs, of the two cases in order to provide fixing. A spacer, secured by bolts to the side walls of the two cases, defines their distance apart and can be used to cooperate with a racking cam when the circuit breaker is drawn into a fixed frame. The circuit breaker comprises an electronic trip device, an operating mechanism and an operating bar of the poles common to all the poles. At least two adjacent poles are twinned, that is to say eletrically connected in parallel.

REFERENCES:
patent: 3289049 (1966-11-01), Middendorf
patent: 4197519 (1980-04-01), Grenier
patent: 4764650 (1988-08-01), Bur et al.

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