Double pole circuit breaker

Details Double pole circuit breaker Double pole circuit breaker

1985-08-28

1986-10-07

Marcus, Stephen

Electricity: circuit makers and breakers

Electric switch details

Contact

200250, 200DIG42, H01H 350, H01H 102

Patent

active

046161171

ABSTRACT:
A double pole switching device has a plunger which is longitudinally movable in a housing against a spring force and has at least one contact bridge provided with a movable contact switch to operate with immovable contacts, and an element is provided for forcibly opening of adhering or welded contacts and includes a U-shaped bracket with a connecting web located between the contact bridge and a contact pressure spring and two legs cooperating with stepped extensions in the housing so that the bracket and the contact bridge over a first part of the stroke of the plunger are forcibly taken along, and the legs of the bracket over a further part of the stroke are spread outwardly and release the plunger.

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