Molded case circuit breaker thermal-magnetic trip accelerator

Details Molded case circuit breaker thermal-magnetic trip accelerator Molded case circuit breaker thermal-magnetic trip accelerator

1991-02-04

1992-06-09

Picard, Leo P.

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Tripping means

335167, H01H 900

Patent

active

051210924

ABSTRACT:
A trip accelerator interfaces the thermal-magnetic trip unit and the operating mechanism within a thermal-magnetic molded case circuit breaker for improved response to overcurrent conditions within an associated electrical distribution circuit. The trip accelerator is in the form of a trip lever rotatably mounted on the operating mechanism side frame and is reset by the operating mechanism upon displacement of the circuit breaker operating handle.

REFERENCES:
patent: 3377574 (1968-04-01), Brumfield et al.
patent: 3466578 (1969-09-01), Brumfield
patent: 4679016 (1987-07-01), Ciarcia et al.
patent: 4736174 (1988-04-01), Castonguay et al.
patent: 4913503 (1990-04-01), Castonguay et al.

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