Tripping arrangement for molded case circuit interrupter

Details Tripping arrangement for molded case circuit interrupter Tripping arrangement for molded case circuit interrupter

1990-05-03

1991-06-25

Picard, Leo P.

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Tripping means

335 21, 335167, H01H 900

Patent

active

050270923

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 supplemental trip and reset interface components. The reset mechanism allows the actuator-accessory unit to become reset without interfering with the operation of the integrated protection unit. The trip interface components allow the circuit interrupter to interrupt a protected circuit by operation of the actuator-accessory unit.

REFERENCES:
patent: 4344054 (1982-08-01), Castonguay et al.

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