7SR2302-1MA12-0CA0 SIEMENS7SR23021MA120CA0

HIGH IMPEDANCE PROTECTION RELAY CIRCULATING CURRENT (4 POLE FUNCTIONALITY) E6 CASE, 4 CT, 8 LEDS, 9 BINARY INPUTS/ 8 BINARY OUTP. MEASURING INPUT: 1/5A, 50/60HZ AUXILIARY VOLTAGE: 24 - 250V DC / 100-230V AC BINARY INPUT THRESHOLD 19V DC (RATED: 24-250V DC) . USB FRONT PORT, RS485 REAR PORT PROTOCOL: IEC 60870-5-103 AND MODBUS RTU AND DNP 3.0 (USER SELECTABLE SETTING) . PROTECTION FUNCTION: 3 PHASE HIGH IMPEDANCE DIFFERENTIAL (87/50) HIGH IMPEDANCE RESTRICTED EARTH FAULT (87REF) MEASURED EARTH FAULT (50G) 3 PHASE CT SUPERVISION (CT50) TRIP CIRCUIT SUPERVISIOR (74TC) PROGRAMMABLE LOGIC . .