4 CT, 10 LEDS, 3 BINARY INPUTS/ 5 BINARY OUTP. MEASURING INPUT: 1/5A, 50/60HZ AUXILIARY VOLTAGE : 24 TO 250V DC , 100 TO 230V AC, BINARY INPUT THRESHOLD 19V DC . USB FRONT PORT, RS485 REAR PORT (E4 CASE) PROTOCOL: IEC 60870-5-103 AND MODBUS RTU AND DNP (USER SELECTABLE SETTING) FRONT COVER: PUSH BUTTONS - DOWN AND RIGHT ARROWS PROTECTION FUNCTION: BASIC VERSION: BROKEN CONTUCTOR/LOAD UNBALANCED (46BC), INSTANTANEOUS PHASE FAULT OVERCURRENT (50), CIRCUIT BREAKER FAIL (50BF), INSTANT. EARTH FAULT (50G/50N), TIME DELAYED PHASE FAULT OVERCURRENT (51), TIME DEL. EARTH FAULT (51G/51N) CT SUPERVISION (60CTS), HIGH IMPEDANCE REF (64H), TRIP & CLOSE CIRCUIT SUPERVISION (74T&C)


漳州市致一智能科技有限公司主营西门子综合保护器，机电保护器7SR系列产品，部分型号有库存，欢迎联系咨询。多年来，我司为广大客户提供的工业自动化系统、低压电器等产品及方案，赢得了良好口碑。

部分型号如下：

7SR1101-3MA12-2CA0、7SR1102-3MA12-2CA0

7SR1103-3MA12-2CA0、7SR1107-3MA12-2CA0

7SR1101-1NA12-1CA0、7SR1102-1NA12-1CA0

7SR1103-1NA12-1CA0、7SR1107-1NA12-1CA0

7SR1101-1NA12-2CA0、7SR1102-1NA12-2CA0

7SR1103-1NA12-2CA0、7SR1107-1NA12-2CA0

7SR1101-3NA12-1CA0、7SR1102-3NA12-1CA0

7SR1103-3NA12-1CA0、7SR1107-3NA12-1CA0