Circuit breaker shunt trip accessory with mechanical override

Details Circuit breaker shunt trip accessory with mechanical override Circuit breaker shunt trip accessory with mechanical override

1996-09-19

1998-04-14

Gaffin, Jeffrey A.

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific circuit breaker or control structure

361154, 335 38, H01H 7300

Patent

active

057400032

ABSTRACT:
A circuit breaker shunt trip accessory unit contains a solenoid driven plunger that interacts with the circuit breaker operating mechanism to interrupt circuit current by means of an external signal. A mechanical override feature insures operation of a blocked solenoid plunger once the source of the blocking is removed.

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U.S. application Ser. No. 08/614,084, Seymour & Castonguay, Modular Accessory Mechanical Lock-Out Mechanism, Mar. 12, 1996.

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