Undervoltage release device assembly for circuit breaker

Details Undervoltage release device assembly for circuit breaker Undervoltage release device assembly for circuit breaker

1990-10-22

1992-03-03

Picard, Leo P.

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Automatic circuit-interrupting devices

335172, H01H 8306

Patent

active

050936433

ABSTRACT:
A molded-case circuit breaker having an undervoltage release device housed therein is provided with a flexible molded double ended lever for resetting the undervoltage release device and a torsion spring braced upon the two arms of the lever so as to minimize the effects of stress and creep on the molded members when manually actuating repeatedly to reset the undervoltage release device against the biasing spring of the device.

REFERENCES:
patent: 2697148 (1954-12-01), Siebodnik
patent: 3919674 (1975-11-01), Acampora et al.
patent: 4075584 (1978-02-01), Castonguay et al.
patent: 4097831 (1978-06-01), Jencks et al.
patent: 4620171 (1986-10-01), Bagalini
patent: 4801907 (1989-01-01), Kelaita, Jr. et al.
patent: 4890184 (1989-12-01), Russell

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