Further information for Dold 0039121 Undervoltage Relay 230V
Undervoltage relay 3-phase according to IEC 255, VDE 0435
for nominal voltages of 3 AC 400/230 V
Frequency range 50...400Hz
Response value adjustable from 0.85 to 1.05 Un
Release value adjustable from 0.75 to 0.95 of the response value
for networks with neutral conductor
Adjustable time delay up to 10s
Width 45mm