Interlock scheme for high amperage molded case circuit breaker

Details Interlock scheme for high amperage molded case circuit breaker Interlock scheme for high amperage molded case circuit breaker

1983-05-09

1985-03-19

Goldberg, E. A.

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Manually or gravity-operated latch with electromagnetic trip

335160, 335 77, 200153SC, H01H 330, H01H 8312

Patent

active

045062463

ABSTRACT:
An interlock assembly for a high amperage molded case circuit breaker is provided with a slide biased to interfere with movement of a push to close link whose operation enables discharge of the breaker closing spring. The slide is operated by the toggle assembly in the event the contacts are open to permit operation of the link except if the breaker is being tripped or held tripped. A trip solenoid of the permanent magnet type is reset, when tripped, by a reset spring under control of blade carrier which has excess energy available.

REFERENCES:
patent: 3198906 (1965-08-01), Frink et al.
patent: 3559121 (1971-01-01), Powell et al.
patent: 3590192 (1971-06-01), Bould

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