Fail-safe residential circuit breaker

Details Fail-safe residential circuit breaker Fail-safe residential circuit breaker

1993-06-14

1994-03-15

Broome, Harold

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Automatic circuit-interrupting devices

335 43, 337 3, 337 4, 337 70, H01H 7512, H01H 7116

Patent

active

052949028

ABSTRACT:
A molded case circuit breaker for residential use employs an additional safety feature to ensure a fail-safe condition in the event that the circuit breaker is installed within a circuit that may be subjected to an excessive over-current fault that disables the circuit breaker trip unit. The integral bimetal-fuse within the circuit breaker trip unit responds to interrupt circuit current before any damage can occur to the associated electrical wiring system.

REFERENCES:
patent: 3796930 (1974-03-01), Ellsworth
patent: 4513268 (1985-04-01), Seymour et al.

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