Switches

Details Switches Switches

1978-08-11

1980-06-17

Schmidt, Frederick R.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200246, 200290, H01H 128

Patent

active

042085578

ABSTRACT:
A switch for shifting between neutral, a delta three phase connection and a star three phase connection that includes three pole chambers, each pole chamber having two separate contact mechanisms, each contact mechanism being activated by means of plate springs, said plate springs being in turn activated by connection to a lever through a cross bar, control plate and bearing arrangement.

REFERENCES:
patent: 3858018 (1974-12-01), Walley

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