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