Circuit breaker bell alarm accessory with lock-out

Details Circuit breaker bell alarm accessory with lock-out Circuit breaker bell alarm accessory with lock-out

1997-06-19

1999-11-16

Luebke, Renee S.

Electricity: circuit makers and breakers

Electric switch details

Indicators

200327, H02H 300

Patent

active

059862254

ABSTRACT:
An air circuit breaker bell alarm accessory interacts with the circuit breaker contact position indicator to provide local and remote indication of the occurrence of a circuit interruption. A drive pin extending from the bottom of the accessory interacts with a slot on the contact position indicator lever to prevent release of the circuit breaker closing spring until the bell alarm accessory is manually reset.

REFERENCES:
patent: 3095489 (1963-06-01), Baird
patent: 4167988 (1979-09-01), Acampora et al.
patent: 4672501 (1987-06-01), Bilac et al.
patent: 5140115 (1992-08-01), Morris
patent: 5502286 (1996-03-01), Pollman et al.
patent: 5673786 (1997-10-01), Seymour et al.
patent: 5889250 (1999-03-01), Castonguay
08/878598 (41PR-7416), Contact Position Indicator for an Industrial-Rated CB, Castonguay, Roger, Jun. 19, 1997 (Filed).

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