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1. (WO1999009630) FAULT-CURRENT PROTECTIVE SWITCHGEAR

Pub. No.:    WO/1999/009630    International Application No.:    PCT/DE1998/002274
Publication Date: Fri Feb 26 00:59:59 CET 1999 International Filing Date: Sat Aug 08 01:59:59 CEST 1998
IPC: H02H 3/33
Applicants: SIEMENS AKTIENGESELLSCHAFT
SOLLEDER, Reinhard
SCHMID, Reinhard
KLEEMEIER, Manfred
POHL, Fritz
Inventors: SOLLEDER, Reinhard
SCHMID, Reinhard
KLEEMEIER, Manfred
POHL, Fritz
Title: FAULT-CURRENT PROTECTIVE SWITCHGEAR
Abstract:
A fault-current protective switchgear has a fault-current contact-breaking circuit (4) for driving a circuit breaker (10) and an additional monitoring device (12) for checking the circuit breaker (10). Means (6) are provided for electrically disconnecting the fault-current contact-breaking circuit (4) from the monitoring device (12).