HIGH IMPEDANCE PROTECTION RELAY CIRCULATING CURRENT
Артикул: 7SR2303-1BA22-0CA0
Наименование: HIGH IMPEDANCE PROTECTION RELAY CIRCULATING CURRENT
Производитель: Siemens
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7SR2303-1BA22-0CA0
HIGH IMPEDANCE PROTECTION RELAY
CIRCULATING CURRENT
(4 POLE FUNCTIONALITY)
E8 CASE, 4 CT, 16 LEDS,
19 BINARY INPUTS/
16 BINARY OUTPUTS
MEASURING INPUT: 1/5A, 50/60HZ
30 TO 220V DC AUXILLIARY,
BINARY INPUT THRESHOLD 88V DC
USB FRONT PORT, RS485 REAR PORT
+ REAR F/O CONNECTORS (X2)
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
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