Circuit breaker bell alarm accessory with both automatic reset a

Details Circuit breaker bell alarm accessory with both automatic reset a Circuit breaker bell alarm accessory with both automatic reset a

1997-08-08

1999-10-05

Luebke, Renee S.

Electricity: circuit makers and breakers

Electric switch details

Indicators

200323, H01H 7312

Patent

active

059609419

ABSTRACT:
An air circuit breaker bell alarm unit allows selection of both bell alarm accessory lock-out facility along with automatic reset function. A plunger extending from the bottom of the bell alarm accessory interacts with the circuit breaker operating components to automatically reset the bell alarm pop-up target in the early stages of the closing of the circuit breaker contacts or to lock-out the closing of the circuit breaker contacts until the pop-up target is manually reset.

REFERENCES:
patent: 3084238 (1963-04-01), Baskerville
patent: 3095489 (1963-06-01), Baird
patent: 4167988 (1979-09-01), Acampora et al.
patent: 4672501 (1987-06-01), Bilac et al.
patent: 5502286 (1996-03-01), Pollman et al.

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