Molded case electronic circuit interrupter

Details Molded case electronic circuit interrupter Molded case electronic circuit interrupter

1989-02-01

1989-11-28

Jennings, Derek S.

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific current responsive fault sensor

H02M 3053

Patent

active

048841641

ABSTRACT:
An electronic trip unit within a self-contained circuit interrupter utilizes dual electromagnetic trip actuators. One such actuator responds to overcurrent conditions to interrupt the protected circuit up to a predetermined value. The other such actuator interrupts the protected circuit at all overcurrent conditions in excess of the predetermined value.

REFERENCES:
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patent: 4672501 (1987-06-01), Bilac et al.
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patent: 4689710 (1987-08-01), Anzai
patent: 4728914 (1988-03-01), Morris et al.
patent: 4741002 (1988-04-01), Dougherty
patent: 4754247 (1988-06-01), Raymont et al.
patent: 4757294 (1988-07-01), Todaro et al.
patent: 4788621 (1988-11-01), Russell et al.

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