Remote control apparatus for tripping off switches

Details Remote control apparatus for tripping off switches Remote control apparatus for tripping off switches

1988-01-26

1989-04-25

Shoop, Jr., William M.

Electrical transmission or interconnection systems

Switching systems

307114, 335 6, 335 13, 335 14, H01H 4722, H01H 7500

Patent

active

048250961

ABSTRACT:
An apparatus with remote control features for tripping off magnetothermal switches comprises at least one switch having a central core supporting trip-off linkages wherein a voltmeter coil is housed with each switch being connected to a respective one, e.g. a lamp, of user electric appliances.
The apparatus also comprises a pushbutton control connected to each voltmeter coil in each magnetothermal switch for remotely and simultaneously operating the trip-off linkages to thus turn off simultaneously each electric appliance, while enabling function regaining by operating the corresponding switch locally.

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patent: 4682132 (1987-07-01), Belbel et al.
patent: 4700160 (1987-10-01), Belbel et al.
patent: 4703294 (1987-10-01), Yokoyama et al.
patent: 4725799 (1988-02-01), Bratkowski et al.

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