SIEMENS 7SR2303-1NA32-0CA0

7SR2303-1NA32-0CA0 SIEMENS ⍾ 7SR23031NA320CA0

HIGH IMPEDANCE PROTECTION RELAY CIRCULATING CURRENT (4 POLE FUNCTIONALITY) E8 CASE, 4 CT, 19 LEDS, 19 BINARY INPUTS/ 16 BINARY OUTPUTS MEASURING INPUT: 1/5A, 50/60HZ Auxiliary voltage: 24 - 250 V DC / 100-230 V AC Binary input threshold 88 V DC (rated: 110-250 V DC) . USB FRONT PORT, RS485 REAR PORT + REAR RS485 AND IRIG-B 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 . .