Contactor safety interlock mechanism

Details Contactor safety interlock mechanism Contactor safety interlock mechanism

1998-06-04

2000-04-25

Scott, J. R.

Electricity: circuit makers and breakers

Interlocking

Between plural switches

H01H 926

Patent

active

060546565

ABSTRACT:
A contactor safety combination includes two contactors and a mechanical interlocking module coupled between them. It is possible to use conventional contactors of any size, i.e., even high-capacity loads are switchable with the contactor safety combination of the present invention. At the same time, this design approach dispenses with a third contactor conventionally used for the interlocking.

REFERENCES:
patent: 2359606 (1944-10-01), Ballou
patent: 2604796 (1952-07-01), Freese
patent: 3391257 (1968-07-01), Frank
patent: 3735295 (1973-05-01), Grunert et al.
patent: 3736538 (1973-05-01), Owen
patent: 3953697 (1976-04-01), Teichert
patent: 4544814 (1985-10-01), Butterworth et al.

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