One of the most critical situations in pump operation is dry running. The solution offered by FANOX single-phase protection panels is based on measuring the undercurrent. In dry running situations a current decrease is detected.

This reduction of consumed current is measured by the PS-R electronic relay fitted to the protection panel: when the preset undercurrent value is reached, it switches the pump off.

  • Thermal memory of motors heating and cooling cycles.
  • Automatic reset, adjustable from 2 to 240 minutes for well filling,
  • Indication of trip cause.
  • Control point for pressure switch, buoy, programmer…
  • Includes: circuit breaker 1P+N, PS-R electronic relay, contactor, LEDs and on/off switch.

Protection against

  • Dry running by monitoring undercurrent.
  • Overload with thermal memory.
  • Overvoltage (+ 15%) .
  • Short-circuit.

CBM 2

Without Level Sensors

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    • Fanox Control Panels protect pumps against dry running without using level sensors.

    • Maximum protection without level electrodes or level relays.

    • Electronic relay incorporated.

    • Quick and easy installation, maintenance-free.

    • Installation costs are significantly reduced.

    • Can be adapted to installations already in service, without removing the pump.