English 
Single Phase Preventer,1 DPDT Relay
Product Code: SPPA2M2
- Monitor Phase loss, Phase asymmetry, Over / Under voltage in 3 phase 3 wire configuration
- Clear LED indication for Power ON & Trip
- Output relay: 2 C/O (DPDT)
- Accuracy: ±1% of F.S.
- Supply voltage: 280 to 520V AC (L - L)
- Mounting : DIN-rail
Brief Specifications
| 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 |
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