Electric switch

Details Electric switch Electric switch

1981-10-28

1983-10-04

Broome, Harold

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Automatic circuit-interrupting devices

335 6, H01H 7300, H01H 7700

Patent

active

044081731

ABSTRACT:
An electromagnetically operated electric switch combines the function of a contactor and a current-limiting circuit-breaker. The contact assembly of the switch includes two contact systems, which are different in function, with a fixed contact which is common to both systems. The first contact system is intended for normal operating current connections, whereas the other contact system is intended for breaking short-circuit currents. The contact-making elements in the two contact systems can be made of different contact materials, in order to obtain a long electrical and mechanical life.

REFERENCES:
patent: 4258343 (1981-03-01), Kussy

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