Key Features :
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Voltage and frequency protection relay.
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For transformers and electrical machines in HV, MV, and LV systems.
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Auxiliary supply 24–230 V DC/AC.
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5 voltage channels for conventional VTs; measures up to 1,000 V direct on LV line.
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Metallic housing with high EMC and wide operating temperature range.
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Protection against decoupling, load shedding, and Loss of Main (islanding) via voltage, frequency, and ROCOF method.
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Circuit breaker (52) and recloser (79) signaling/control.
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Front navigation keypad: 7 keys (including RESET), 6 programmable hot keys for CB control, recloser block/unblock, local/remote mode; 3 configurable control LEDs; 8 programmable alarm LEDs.
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Communication: front micro-USB; rear serial port (IEC60870-5-103, Modbus RTU, DNP3.0 selectable); rear Ethernet port (Modbus TCP/IP, DNP3.0 TCP/IP, IEC60870-5-104, IEC61850 selectable) + SNTP + Web Server.
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Optional Wi-Fi and IRIG-B synchronization.
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Configurable I/O: 8 inputs + 7 outputs or 11 inputs + 5 outputs (model dependent).
- Non-volatile RAM stores up to 3072 events and DFR; internal RTC; configurable pre/post-fault recording options (5, 25, 50, 100 records) in data and COMTRADE formats.
- Oscillography: 9 analogue + up to 96 digital channels; downloadable via SICom software in COMTRADE format.
Data Sheet
Communication Manual
Software
