| Measuring Parameter | Monitors : Phase Loss, Phase Asymmetry, Over Voltage & Under Voltage | 
| Electrical Connection | 3Ø-3W | 
| Operating Voltage | 280 to 520V AC(L-L) | 
| 
       Functional Specification  | 
    Phase Imbalance : 30V (fixed),  Hysteresis : 6V, Voltage Accuracy : ±1% of full scale, Time Accuracy : ±5% ±100ms, Power on delay : 3sec (fixed)  | 
  
| 
       Trip setting  | 
     Phase Asymmetry : 30V (fixed),  Over Voltage trip : 10% of nominal voltage, Under Voltage trip : 15 % of nominal voltage, Trip & Recovery time delay : <120ms for phase loss, phase asymmetry <200ms for over voltage, under voltage  | 
  
| Reset Condition | After removal of fault condition reset automatically after hysteresis of 6V | 
| 
       Output Contact  | 
    No. of Relays : 2  Output Contact : DPDT(2C/O) Contact Rating : 5A@250VAC resistive  | 
  
| Relay status | Healthy :- COM-NO  Trip :- COM-NC  | 
  
| Size | 35 X 90 mm | 
| Mounting Type | DIN rail Mount |