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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 3.0 (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營西門子綜合保護器，機電保護器7SR系列產品，部分型號有庫存，歡迎聯系咨詢。多年來，我司為廣大客戶提供的工業自動化系統、低壓電器等產品及方案，贏得了良好口碑。

部分型號如下：

7SR1203-1MA12-2CA0、7SR1207-1MA12-2CA0

7SR1201-3MA12-2CA0、7SR1202-3MA12-2CA0

7SR1203-3MA12-2CA0、7SR1207-3MA12-2CA0

7SR1201-1NA12-2CA0、7SR1202-1NA12-2CA0

7SR1203-1NA12-2CA0、7SR1207-1NA12-2CA0