Rated voltage AC 220V
Rated frequency 50/60HZ
Overvoltage setting range 230-300V
Undervoltage setting range 120-220V
Tolerance scope 2%
Overvoltage and undervoltage action delay 0.5S
Reset start-up delay 3S-300S
Voltage measurement accuracy 1%( <1 % of total range )
output contact 1 NO
Environmental grade 3
Electrical life 105
Mechanical life 106
Protection class lp20
Altitude ≤2000m
Ambient temperature -55°C 〜55°C
Humidity ≤50% 40°Cnon-condensing
storage temperature -30°C~70°C