Molded case circuit breaker actuator-accessory unit

Details Molded case circuit breaker actuator-accessory unit Molded case circuit breaker actuator-accessory unit

1988-09-06

1990-01-16

Picard, Leo P.

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Latching means

335172, H01H 920

Patent

active

048946311

ABSTRACT:
An integrated protection unit is a circuit breaker 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.

REFERENCES:
patent: 2976663 (1981-10-01), Seymour et al.
patent: 4589052 (1986-05-01), Dougherty
patent: 4622444 (1986-11-01), Kandatsu et al.
patent: 4641117 (1987-02-01), Willard
patent: 4679019 (1987-07-01), Todaro et al.
patent: 4700161 (1987-10-01), Todaro et al.
patent: 4728914 (1988-03-01), Morris et al.
patent: 4806893 (1989-02-01), Castonguay et al.

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