Non-Directional Overcurrent Protection - Argus 7SR45 measuring input: 5 A, 50/60 Hz, size 4 moulded case (height reduced), 2 BI / 2 BO, auxiliary voltage: dual powered (CT powered: + aux.: 24-60V DC, BI threshold 19VDC), front fascia: standard, front port: USB and Rear port: RS485, IEC-60870-5-103 or Modbus conformal coat: conformal coating on PCBA