Power line switch with time delay turn off

Details Power line switch with time delay turn off Power line switch with time delay turn off

1976-08-31

1977-10-11

Hohauser, Herman J.

Electrical transmission or interconnection systems

Switching systems

Switch actuation

307293, H03K 1726

Patent

active

040537900

ABSTRACT:
A time delay switch is disclosed for permitting a load to be powered over a preselected period of time. The switch automatically cuts off power to the load when the period expires. The disclosed switch draws no power in its "Power Cut-Off" state thereby conserving the life of the power source. In addition to being power conservative the disclosed switch features rapid power turn on, emergency power cut off and is capable of being operative in its "Power On" state over relatively long periods of time.

REFERENCES:
patent: 3033998 (1962-05-01), Nellis
patent: 3745382 (1973-07-01), Hoge et al.

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