Circuit interrupter with interlocked removable trip unit

Details Circuit interrupter with interlocked removable trip unit Circuit interrupter with interlocked removable trip unit

1977-11-23

1980-01-01

Broome, Harold

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Automatic circuit-interrupting devices

335132, 361115, H01H 7502, H01H 7702

Patent

active

041819063

ABSTRACT:
A circuit interrupter is provided with a trip unit removably inserted into the housing of circuit interrupter through the cover thereof. The trip unit is secured to the housing by spring clips mounted therein cooperating with recesses in the enclosure of the trip unit to permit insertion of the trip unit with the cover installed but preventing removal of the trip unit without prior removal of the circuit interrupter cover.

REFERENCES:
patent: 3526861 (1976-09-01), Walker et al.
patent: 3761777 (1973-09-01), Willard et al.
patent: 3806847 (1974-04-01), Salvati
patent: 3821607 (1974-06-01), Matsko et al.
patent: 4037184 (1977-07-01), Kempisty et al.

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