Circuit breaker with current conducting blow open latch

Details Circuit breaker with current conducting blow open latch Circuit breaker with current conducting blow open latch

1995-12-04

1996-10-15

Donovan, Lincoln

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Automatic circuit-interrupting devices

335147, 218 22, H01H 7500

Patent

active

055658270

ABSTRACT:
A circuit breaker has an electrically conductive blow open latch which forms part of the power circuit so that only short flexible shunts are needed between the latch and trip mechanism. Load current can be conducted from the contact arm to the electrically conductive latch solely through the interface between the latch and the blow open camming surface on the contact arm, and/or through additional short flexible shunts between the latch and the contact arm, preferably adjacent the pivot of the contact arm.

REFERENCES:
patent: 4503408 (1985-03-01), Mrenna et al.
patent: 4620076 (1986-10-01), Mrenna et al.
patent: 4636760 (1987-01-01), Lee
patent: 5469121 (1995-11-01), Payet-Burin
patent: 5515018 (1996-05-01), DiMarco et al.

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