Low-voltage limiting circuit breaker with leaktight...

Details Low-voltage limiting circuit breaker with leaktight... Low-voltage limiting circuit breaker with leaktight...

H - Electricity

01

H

306/207

H01H 9/32 (2006.01) H01H 33/06 (2006.01) H01H 77/10 (2006.01)

Patent

CA 1325233

ABSTRACT LOW-VOLTAGE LIMITING CIRCUIT BREAKER WITH LEAKTIGHT EXTINGUISHING CHAMBER A current limiter comprises an extinguishing chamber 16 of small volume, in which there are housed a pair of contacts 28, 30 and an insulating shield 40, capable of moving to an active position inserted between the contacts 28, 30, and of subdividing the chamber 16 into two parts each of which contains one of the contacts 28, 30. The movement of the insulating shield 40 to the inserted position between the contacts 28, 30 is favored by the action of a piston 48 subjected to the pressure prevailing in the extinguishing chamber 16. Refer to figure 1.

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