Electrical transfer switching apparatus having door interlock an

Details Electrical transfer switching apparatus having door interlock an Electrical transfer switching apparatus having door interlock an

1976-01-21

1977-07-05

Scott, James R.

Electricity: circuit makers and breakers

Interlocking

Between plural switches

200 5E, 200 50C, 200330, 200337, H01H 920

Patent

active

040341704

ABSTRACT:
Switching apparatus for switching an electrical load between alternative sources of electrical power includes a pair of switches having their load terminals connected in common to the load and their line terminals respectively connected to the two sources. The mechanisms of the switches are interconnected by a reciprocating slide which is manipulated such as to connect one or the other, but never both of the sources to the load.

REFERENCES:
patent: 2370039 (1945-02-01), Iglehart et al.
patent: 2531157 (1950-11-01), Pifke
patent: 3069518 (1962-12-01), Soos
patent: 3369100 (1968-02-01), Kussy et al.
patent: 3767872 (1973-10-01), Whitchurch

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