Circuit breaker with trip unit mounted tripping plunger and latc

Details Circuit breaker with trip unit mounted tripping plunger and latc Circuit breaker with trip unit mounted tripping plunger and latc

1999-08-18

2000-10-24

Donovan, Lincoln

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

With housing or support means

335167, H01H 902, H01H 1304

Patent

active

061373869

ABSTRACT:
This concerns a molded case circuit breaker having separable main contacts and an operating mechanism utilized to cause the separable main contacts to open and close. A trip unit is provided to actuate the operating mechanism in desirable circumstances. The trip unit has a plunger and latch contained therein which is primarily responsible for latching the circuit breaker contacts open by way of the operating mechanism once a trip has occurred.

REFERENCES:
patent: 4594491 (1986-06-01), Leone
patent: 5027093 (1991-06-01), Palmer et al.
patent: 5313033 (1994-05-01), Link et al.
patent: 5718328 (1998-02-01), Faber et al.
patent: 5909161 (1999-06-01), DiMarco
patent: 5910760 (1999-06-01), Malingowski

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