7SG143.-0.C.0-0.B0
TRANSFORMER PROTECTION RELAY DUOBIAS-M 3 ANALOGUE INPUT SETS, 2 OR 3 WINDINGS 19 BINARY INP./ 21 BINARY OUTP. (INCL. 3 CHANGEOVER) NOMINAL CURRENT: 1/5A COMMUNICATION INTERFACE FIBRE OPTIC (ST-CONNECTOR)/ IEC 60870-5-103 OR MODBUS RTU
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