Neutral switched shunt trip emergency gas panel

Details Neutral switched shunt trip emergency gas panel Neutral switched shunt trip emergency gas panel

1999-05-20

2000-12-05

Jackson, Stephen W.

Electrical transmission or interconnection systems

Switching systems

Condition responsive

H01H 4700

Patent

active

061570966

ABSTRACT:
A shunt trip and switch breaker used to shut off electrical power to an electrical panel such as used to control the operation of electrical equipment for dispensing gasoline in a station. In order to insure that the breaker is not prematurely opened, for whatever reason, the power being supplied to operate the electrical panel is also continuously at the same time being supplied to the shunt trip. When a remote emergency button (E-button) connected to the shunt trip is actuated by depression, the shunt trip moves in unison with a connected circuit breaker to shut down power to all of the elements including those operated by the electrical panel. The switch breaker may have two movable handle elements that are operatively tied together to move in unison with similar elements on the shunt trip. The handle elements are controlled by the remotely generated input signal applied to terminal port on the trip shunt when the E-button is actuated.

REFERENCES:
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patent: 4623859 (1986-11-01), Erickson et al.
patent: 4725800 (1988-02-01), Grunert et al.
patent: 4931758 (1990-06-01), Bagalini
patent: 5186308 (1993-02-01), Munro

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