Circuit interrupter

Details Circuit interrupter Circuit interrupter

1987-07-31

1988-06-28

Broome, H.

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Automatic circuit-interrupting devices

335 6, 335172, 337 70, H01H 7500, H01H 7700

Patent

active

047542462

ABSTRACT:
A circuit interrupter comprising an automatic trip unit connected to an interrupting unit for tripping the interrupting unit to open separable contacts in response to an overcurrent, the automatic trip unit being a replaceable unit selected from a plurality of differing types of trip units including an electronic trip unit and a thermally responsive electromagnetic trip unit.

REFERENCES:
patent: 3775713 (1973-11-01), Walker et al.
patent: 4037184 (1977-07-01), Kempisty, Jr. et al.
patent: 4064469 (1977-12-01), Gryctko

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