Capa 7SR191, capacitor bank protection relay, housing I/O and fascia: 4 CT, 3 binary inputs / 5 binary outputs, 10 LEDs, measuring input: 1/5 A, 50/60 Hz, auxiliary voltage: 80-250 V DC / 115 V AC, binary input threshold 19 V DC, communication interface: standard version: USB front port, RS485 rear port (E4 Case) , IEC 60870-5-103, Modbus RTU and DNP3, standard version – no push buttons
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