Rờ le bảo vệ điện áp Woodward Static Under & Over Voltage Relay : BU1-AC Woodward
Roled voltage Un : 110 V, 230 V, 400 V AC
Rated frequency range : 45-66 Hz
Accuracy : ± 5 % of set value
power consumption in voltage circuit : 3.5 VA
Thermal load carrying : constant 1.3 x Un capacity of the voltage circuit
Dropout to pickup ratio : dependent on the set hysteresis
Dropout time : 300 ms
Minimum operating delay : 300 ms