Inductive motor protective circuit breaker

Details Inductive motor protective circuit breaker Inductive motor protective circuit breaker

1995-02-17

1996-07-23

Donovan, Lincoln

Electricity: electrothermally or thermally actuated switches

With separate distinct diverse art-type switching device

Fusible element device with other

337 2, H01H 8300

Patent

active

055393705

ABSTRACT:
A molded case circuit breaker and current suppressing unit protects an electric motor without tripping during motor current reversal. Upon the occurrence of a short circuit within the protected circuit, the current suppressing feature rapidly suppresses the let-through current until the circuit breaker responds to isolate the protected equipment. Power is restored to the protected equipment without the need to replace any of the current suppressing unit components.

REFERENCES:
patent: 4329669 (1982-05-01), Krasser et al.
patent: 4649455 (1987-03-01), Scott
patent: 4754247 (1988-06-01), Raymont
patent: 4884164 (1989-11-01), Dziura
patent: 4949060 (1990-08-01), Mikulecky
patent: 4967304 (1990-10-01), Dougherty

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