Residential circuit breaker with one piece slot motor

Details Residential circuit breaker with one piece slot motor Residential circuit breaker with one piece slot motor

1983-09-02

1985-10-08

Martin, John C.

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Automatic circuit-interrupting devices

335195, 335201, H14

Patent

active

045463379

ABSTRACT:
A residential or commercial circuit breaker of the narrow case type, typically having a width of 3/4 inch or 1 inch, is provided with a single-piece nonlaminated slot motor 102 mounted within the case 2 and around current carrying conductors 8 and 12 for concentrating magnetic repulsive force and boosting contact separation force. A dramatic increase in short circuit interruption capacity is achieved, at minimal cost.

REFERENCES:
patent: 2618716 (1952-11-01), Boller et al.
patent: 3081386 (1963-03-01), Koenig et al.
patent: 3185059 (1974-06-01), Spoelman
patent: 3488610 (1970-01-01), Powell
patent: 4056798 (1977-11-01), Malick
patent: 4077025 (1978-02-01), Slade et al.
patent: 4266210 (1981-05-01), Mrenna et al.

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