Fanox’ range of Voltage relays come with many functions, for example with direct adjustment potentiometer, which eliminates the calculation of percentage facilitating installation and commissioning.
The U3 S and U3 N is the best solution to protects three-phase installations against voltage variations between phases, incorrect
Three Phase Voltage Relay – U3
Voltage control relays.
- Self powered by the voltaje to be monitored.
- Visual indication on trip cause.
- DIN mounting.
- Protects three-phase installations against voltaje variations between phases, incorrect sequence of phases and phase loss.
- Adjustable mínimum and máximum thresholds.
- Adjustable trip time delay.
- U3S-420 model is valid for 400 and 440 nominal voltage.
|Modelos||Código||Dimensiones||Tensión Nominal||Rango (V)|
|U3S-230||12071||22,5 mm||3x230Vca||185 – 290|
|U3S-420||12070||22,5 mm||3×400-440Vca||350 – 500|
|U3N-230||12056||78 mm||3x230Vca||200 – 260|
|U3N-400||12055||78 mm||3x400Vca||340 – 460|
|U3N-440||12057||78 mm||3x440Vca||380 – 500|
- Two independent output relays.
- Includes protection against neutral loss.
- Phase imbalance or phase loss
- Phase sequence
Model U3N includes:
- Loss of neutral