Comprehensive range of monitoring controls for monitoring of phase loss, incorrect phase sequence, phase unbalance, over/under current, over/under load, over/under frequency, and over/under voltage.

True RMS measurement.

Upper/lower limits separately adjustable.

Selection of different operations using DIP switches.

Adjustable delay to avoid nuisance tripping.

LED indication for Power supply & output status.

Available in DIN Rail or Plug-in type.

Most of the relays having option of two outputs.

Galvanically separated power supply.