Molded-case multicircuit breakers

Details Molded-case multicircuit breakers Molded-case multicircuit breakers

1996-01-22

1998-10-27

Donovan, Lincoln

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Automatic circuit-interrupting devices

335 7, 218 22, H01H 7512

Patent

active

058282769

ABSTRACT:
A molded-case multicircuit breaker which suffers insufficient contact pressure at no poles and which is free from damage. The molded-case multicircuit breaker having at least two circuits comprises a handle which performs on-off operation of the circuits simultaneously, a first finger having a movable contact for a first circuit, and another finger having a movable contact for a circuit other than the first circuit, wherein the first finger is designed to be switched on and off directly by the handle, and the finger for a circuit other than the first circuit is electrically insulated from the first finger and is attached resiliently to the first finger. The second finger may be pivotally attached or spring loaded to the first finger.

REFERENCES:
patent: 2661414 (1953-12-01), Casey
patent: 3264435 (1966-08-01), Klein et al.
patent: 3526861 (1970-09-01), Walker
patent: 3997857 (1976-12-01), Wien et al.

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