Molded case circuit breaker shunt trip unit

Details Molded case circuit breaker shunt trip unit Molded case circuit breaker shunt trip unit

1987-12-16

1988-11-22

Goldberg, E. A.

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

With housing or support means

200309, H01H 902, H01H 1304

Patent

active

047868856

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 circuit breaker cover from the environment. A shunt trip unit is one such accessory component which can be field-installed without affecting the integrity of the circuit breaker overcurrent protection components.

REFERENCES:
patent: 4297663 (1981-10-01), Seymour et al.
patent: 4589052 (1986-05-01), Dougherty
patent: 4591942 (1986-05-01), Willard et al.
patent: 4622444 (1986-11-01), Kandatsu et al.
patent: 4679019 (1987-07-01), Todaro et al.
patent: 4700161 (1987-10-01), Todaro et al.

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