Induction motor protective circuit breaker unit

Details Induction motor protective circuit breaker unit Induction motor protective circuit breaker unit

1994-06-15

1995-06-20

Donovan, Lincoln

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

With housing or support means

335 8, 337297, H01H 902

Patent

active

054264065

ABSTRACT:
A molded case circuit breaker unit having an accessory compartment within the circuit breaker cover, contains a field-replaceable fuse within the compartment for protecting an electric motor without tripping upon motor current reversal. Upon the occurrence of a short circuit within the protected circuit, the fuse operates to isolate the protected equipment and is conveniently replaced without disassembling the circuit breaker components.

REFERENCES:
patent: 3638157 (1972-01-01), Kruzic
patent: 4649455 (1987-03-01), Scott
patent: 4754247 (1988-06-01), Raymont
patent: 4890184 (1989-12-01), Russell
patent: 4913503 (1990-04-01), Castonguay et al.
patent: 4967304 (1990-10-01), Dougherty
patent: 5153544 (1992-10-01), Castonguay

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