The MG73BH is a 4 Wire DIN Rail mounted DPCO 3-Phase Voltage (Phase Failure), Single Phase Voltage Monitoring Relay from GIC. It can be powered with the following voltages: 230Vac, 3x400Vac, 3x415Vac.

Features :- 

• Protects against Phase Loss, Phase Reversal & Phase Asymmetry
• Can be configured for 3 Phase 4 Wire or 1 Phase system
• Selectable Over Voltage / Under Voltage Trip level
• Selectable Time Delay
• LED Indications for Power and Fault conditions
• Voltage Sensing principle
• 1 C/O or 2 C/O Configuration