Actuator-accessory interface unit for molded case circuit interr

Details Actuator-accessory interface unit for molded case circuit interr Actuator-accessory interface unit for molded case circuit interr

1990-05-03

1991-08-27

Picard, Leo P.

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Tripping means

335202, H01H 900

Patent

active

050436880

ABSTRACT:
An integrated protection unit is a circuit interrupter which includes basic overcurrent protection facility along with selective electrical accessories. A molded plastic accessory access cover secured to the integrated protection unit cover protects the accessory components contained within the integrated protection unit cover from the environment. A combined overcurrent trip actuator and multiple accessory unit can be field-installed within the integrated protection unit. The combined actuator-accessory unit includes electronic control circuitry for the accessories along with mechanical trip and reset interface components. An actuator-accessory unit arranged within the interrupter cover interacts between the actuator-accessory unit and the interrupter operating mechanism to separate the interrupter contacts and interrupt a protected circuit.

REFERENCES:
patent: 4090157 (1978-05-01), Rys
patent: 4736174 (1988-04-01), Castonguay et al.
patent: 4806893 (1989-02-01), Castonguay et al.
patent: 4894631 (1990-01-01), Castonguay et al.
patent: 4913503 (1990-04-01), Castonguay et al.

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