Undervoltage relay 3-phase according to IEC 255.0435 for nominal voltages of 3 AC 400 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 without neutral conductor Width 45mmType BA9043, Art. No. 0039884
