Manual and motor operated circuit breaker

Details Manual and motor operated circuit breaker Manual and motor operated circuit breaker

1976-04-01

1977-08-16

Harris, George

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Automatic circuit-interrupting devices

335 74, 335173, H01H 7312

Patent

active

040428966

ABSTRACT:
A circuit breaker is equipped with both a rotary operating handle and a power unit for selective manual and motor driven operation thereof. Mechanical and electrical control elements cooperate to insure a reliable operation in both the manual and motor driven operating modes, and, as a safety measure, to provide fool-proof, visual indications of the circuit breaker condition during the progressive stages of either operating mode. The power unit utilizes a permanent magnet, DC motor for improved performance and economies in design.

REFERENCES:
patent: 3213236 (1965-10-01), Pendy et al.
patent: 3371296 (1968-02-01), Salvati et al.
patent: 3559121 (1971-01-01), Powell et al.
patent: 3652815 (1972-03-01), Davies
patent: 3806684 (1974-04-01), Hauser

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