Circuit breaker having shock-proof trip-actuating assembly

Details Circuit breaker having shock-proof trip-actuating assembly Circuit breaker having shock-proof trip-actuating assembly

1986-07-15

1987-12-01

Goldberg, E. A.

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Tripping means

335 63, 335167, 335170, H01H 900

Patent

active

047107391

ABSTRACT:
The trip mechanism of a molded case type circuit breaker is actuated by a plunger that is integral with and axially extends from the end of a reciprocally-movable core member of a solenoid mounted within the breaker housing. The free end of the plunger strikes the trip bar of the breaker when the solenoid is energized in response to a current overload condition in the circuit being protected. The solenoid core member and plunger are mechanically locked in NO-TRIP position by spring-biased keeper means that is automatically released from its "lock" position by the magnetic field generated by the solenoid coil when it is energized. A spring automatically resets the trip-actuating assembly when the current-overload condition has been corrected and the solenoid coil is deenergized. The trip-actuating assembly is not only compact, reliable and inexpensive but is inherently adapted to withstand severe mechanical shocks and impacts, such as those encountered aboard naval vessels, and is thus especially suited for use in circuit breakers that will be employed to protect electrical circuits and equipment subjected to such rough service conditions.

REFERENCES:
patent: 3414852 (1968-12-01), Martin
patent: 3808567 (1974-04-01), Maier

Affiliated with

Also associated with

Rating

Circuit breaker having shock-proof trip-actuating assembly does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Circuit breaker having shock-proof trip-actuating assembly, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Circuit breaker having shock-proof trip-actuating assembly will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1933754