Undervoltage release accessory for a circuit breaker interior

Details Undervoltage release accessory for a circuit breaker interior Undervoltage release accessory for a circuit breaker interior

1988-03-17

1989-01-31

Broome, H.

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Automatic circuit-interrupting devices

335 14, 335166, H01H 8312, H01H 7300, H01H 7502

Patent

active

048019070

ABSTRACT:
An undervoltage release accessory is attached to the interior of a circuit breaker enclosure proximate the operating handle assembly. A reset mechanism positioned between the handle operator and the undervoltage release plunger resets the undervoltage release plunger after an undervoltage condition. A flexible reset spring on the reset mechanism compensates for mechanical tolerances between the reset mechanism and the undervoltage release plunger.

REFERENCES:
patent: 3761776 (1973-09-01), Willard
patent: 3761777 (1973-09-01), Willard
patent: 3761778 (1973-09-01), Willard
patent: 4301434 (1981-11-01), Castonguay
patent: 4467299 (1984-08-01), Collin et al.

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