Argus-M non-directional time-overcurrent protection Enclosure E6, 4 curr.trans., 9 BI / 8 BO, 8 LEDs, Measuring inputs: 1/5A, 50/60Hz Auxiliary voltage 24 - 250V DC / 100- 230V AC Threshold binary input: 19V DC USB interface front, RS485 interface rear + opt. Ethernet Duplex rear Protocol: IEC 60870-5-103 and Modbus RTU and DNP 3.0 and IEC 61850 (adjustable) Protective function: Standard version