DatasheetThree-Phase Voltage Relay – Wall Mounting
Voltage relay for three-phase networks
| Type | Voltage relay for three-phase networks for monitoring min. and max. voltage alarm, phase sequence and phase failure |
|---|---|
| Mounting type | Wall mounting |
| Alarm functions | Min. and max. voltage alarm, phase sequence, phase failure |
| Input | 100 V or 400 V |
| Set point | Adjustable |
| Delay | Adjustable |
| Rated input voltage | 100…400 V phase-phase |
| Working frequency | 47…63 Hz, Fn 50 Hz |
| Input impedance | ≤ 1.2 kΩ/V |
| Set point setting | Selectable by 5-position DIP switch, can be set on the device |
| Intervention time | Selectable by 5-position DIP switch, can be set on the device |
| Reset | Automatic |
| Power-on signalling | Green LED “ON” |
| Threshold exceeded signalling | Red LED “AM” and/or “AM-” and relay switching |
| Right phase sequence signalling | L1/2/3 LEDs light yellow and “+” LED lights yellow; relay switched |
| Wrong phase sequence signalling | “AM” and/or “AM-” LEDs light red, relay switches off; L1/2/3 LEDs light yellow |
| Phase loss signalling | “AM” and/or “AM-” LEDs light red, relay switches off; LED of missing phase goes off |
| Nominal temperature range | 0…70 °C |
| Climatic suitability | Suitable for tropical climates |
| Protection degree | IP50 front / IP20 terminals and housing |
