| Measurement | 0-500 Vac - 40-100 Hz |
| Over-Under Voltage range | 300-370 V 390-460 V |
| Assymetry range | %5-%20 |
| Relay output | 1 |
| Phase sequence control | Ok |
| Ambient temperature | -5 C....+50 C |
| Storage temperature | -20 C....+70 C |
| Supply voltage | 230 Vac |
| Dimensions | 72x72x80 mm |
| Quantity in 1 box | 10 |