21 Series

3 phase monitor that protects 3 phase motors from abnormal power conditions

Detect under voltage, over voltage, voltage unbalance, reverse phase, and single-phasing even when regenerated voltage is present

Adjustable trip and restart delays to prevent nuisance tripping during power fluctuations and short cycling in compressor applications

The LED status indicators and adjustment pots for Voltage Adjustment, % Unbalance, Restart Delay and Trip Delay

Automatic or manual restart versions are available

TMC430

Programable to control 1,2, or 3 pumps

Customizable alarm options