Circuit breaker

Details Circuit breaker Circuit breaker

1994-06-20

1996-01-16

Donovan, Lincoln

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Polarity-responsive

335 80, 335128, H01H 5122

Patent

active

054851335

ABSTRACT:
A circuit breaker has at least one pair of electrical contacts of which one contact is mounted for movement relative to the other contact between first and second positions. One of the first and second positions corresponds to the contacts being closed and the other corresponds to the contacts being open. Resilient biassing means urges the one contact into the first position so as to maintain the contacts normally in the condition corresponding thereto. A magnet (such as a solenoid acting in active or passive mode) is capable of holding one contact in the second position against the action of the resilient biassing means, but is demagnetisable to permit the one contact to return to the first position.

REFERENCES:
patent: 3950718 (1976-03-01), Nagamoto

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