Circuit breaker with impact trip delay

Details Circuit breaker with impact trip delay Circuit breaker with impact trip delay

1986-03-27

1987-09-29

Goldberg, E. A.

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Tripping means

335 41, 335 63, H01H 900

Patent

active

046971637

ABSTRACT:
A circuit breaker having a trip delay mechanism characterized by a variable magnetic air gap that is adjustable to permit time delay at low level overcurrents to avoid nuisance tripping during motor starting.

REFERENCES:
patent: 2373256 (1945-04-01), Miller
patent: 4001742 (1977-01-01), Jencks et al.
patent: 4553116 (1985-11-01), Bagalini

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