METHODS AND APPARATUS FOR OPERATING AN ELECTRONIC TRIP DEVICE

An electronic trip device is described that includes a test signal generator coupled to at least one of a line conductor and a neutral conductor and configured to create a test signal. The electronic trip device also includes a leakage current detection circuit configured to compare a current in the...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	WILLIAMS CRAIG B
Format:	Patent
Sprache:	eng
Schlagworte:	ALARM SYSTEMS MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES ORDER TELEGRAPHS PHYSICS SIGNALLING SIGNALLING OR CALLING SYSTEMS TESTING
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