Circuit for controlling application of electricity to a coil of an electric current switching apparatus

A control circuit drives the coil of a contactor in response to a control voltage being applied. The control circuit includes a power supply that produces a regulated output voltage from the control voltage. The onset of the regulated output voltage starts a timer which controls the width of pulses...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	JANUTKA, WILLIAM JOSEPH, HANSEN, JAMES EDWARD, BAUER, MICHAEL EDWARD, GASS, DALE LOUIS
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRIC ELEMENTS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRIC SWITCHES ELECTRICITY EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS EMERGENCY PROTECTIVE DEVICES GENERATION RELAYS SELECTORS
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