ARGUS overcurrent relay Non-directional, size 4 molded case, 4 CT, 10 LEDs, 3 binary inputs/ 3 binary outputs Measuring input:1/5 A, 50/60 50/60 Hz; auxiliary voltage: 24 to 60 VDC, binary input threshold: 19 V DC Plastic cover with 1 pushbutton for test/reset; Communication: Front port: USB and rear: RS485 supporting IEC 60870-5-103 or Modbus RTU or DNP 3.0. Front fascia: with breaker control pushbuttons Protection function: Standard version plus autoreclose (79)