Circuit breaker with self-contained electronic trip actuator and

Details Circuit breaker with self-contained electronic trip actuator and Circuit breaker with self-contained electronic trip actuator and

1986-09-24

1987-11-10

Hix, L. T.

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific voltage responsive fault sensor

361187, H02H 324, H01H 4728

Patent

active

047061588

ABSTRACT:
A molded case circuit breaker provides both overcurrent protection as well as accessory protection function by means of a self-contained electronic trip actuator module. Undervoltage release function is provided by a separate undervoltage release assembly that includes the undervoltage coil and an electronic control circuit. Shunt trip facility is provided by the shunt trip coil and a shunt trip control circuitry. The overcurrent, shunt trip and undervoltage release coils are arranged on a magnetic circuit within the electronic actuator module.

REFERENCES:
patent: 4301434 (1981-11-01), Castonguay

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