U1D

Single-Phase Voltage Contro Relay

Key Features : 

  • Self-powered by the voltage to be monitored.
  • Visual indication of trip cause.
  • DIN rail mounting.
  • Minimum and maximum thresholds adjustable (two potentiometers).
  • Adjustable trip time delay. Instantaneous reset.
  • Protects equipment such as digital instruments or electrical equipment from voltage variations in the network.

Protection Functions :

  • Overvoltage
  • Undervoltage