AQ-F201 Overcurrent and earth-fault relay

The AQ-F201 offers a compact solution for any application requiring non-directional overcurrent and earth-fault protection. Selection of supportive functions for protection, measurement, monitoring, control and communication along with large programmable HMI guarantee the best in class price performance ratio for basic range of relays.

Highlights
• Basic range
• Price performance ratio

  • Three-phase overcurrent, 3 stages INST, DT or IDMT (50/51)
  • Earth-fault (sensitive), 3 stages INST, DT or IDMT (50/51N)
  • Harmonic overcurrent / inrush blocking, 1 stage INST, DT or IDMT (50/51H, 68)
  • Current unbalance / broken conductor, 1 stage INST, DT or IDMT (46/46R/46L)
  • High impedance restricted earth fault (87N)
  • Breaker failure protection (50BF,52BF)
  • Controllable objects: 1
  • Cold-load pick-up block
  • Switch onto fault logic
  • 8 setting groups
  • Phase and residual currents (IL1, IL2, IL3, I01, I02)
  • Current THD and harmonics (up to 31st)
  • Circuit breaker wear (CBW)
  • Disturbance recorder (3.2 kHz)
  • Current transformer supervision (CTS)
  • Trip circuit supervision (TCS)
  • Event recording
  • Non-volatile disturbance records: 100
  • Non-volatile event records: 15000
  • Current inputs: 5
  • Digital inputs: 3 (fixed)
  • Output relays: 5+1 (fixed)
  • RJ 45 Ethernet 100Mb (front standard)
  • RJ 45 Ethernet 100Mb and RS 485 (rear standard)
  • Communication protocols
  • IEC 60870-5-103/101/104
  • Modbus RTU, Modbus TCP/IP
  • DNP 3.0, DNP 3.0 over TCP/IP
  • SPA