Molded case circuit breaker combined accessory actuator-reset le

Details Molded case circuit breaker combined accessory actuator-reset le Molded case circuit breaker combined accessory actuator-reset le

1991-01-30

1992-06-16

Picard, Leo P.

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Tripping means

335 21, H01H 900

Patent

active

051227711

ABSTRACT:
Since industrial-rated circuit breakers are often located remote from the associated protected electrical equipment it is often times necessary to monitor the operation of such electrical equipment by observing the condition of the circuit breaker contacts to ensure that such equipment remains operational. When a plurality of such circuit breakers are mounted within a common enclosure, an auxiliary device within each of the circuit breakers readily provides visual indication of the ON-OFF condition of the circuit breaker contacts. With such auxiliary devices, an actuator-reset lever is used to interface between the circuit breaker operating mechanism, the circuit breaker trip mechanism and the auxiliary device to activate the auxiliary device when the circuit breaker contacts are open and closed and to reset the trip mechanism when the circuit breaker contacts are opened.

REFERENCES:
patent: 3693122 (1972-09-01), Willard
patent: 4097831 (1978-06-01), Jencks et al.
patent: 4589052 (1986-05-01), Dougherty
patent: 4754247 (1988-06-01), Raymont et al.
patent: 4757294 (1988-07-01), Todaro et al.
patent: 4794356 (1988-12-01), Yu et al.
patent: 4931758 (1990-06-01), Bagauni

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