Full Automatic AC Voltage stabilizer,” HSBW500MI32O40BO 500KVA 1320-480V O400V MLCD Meter with Fan/Phase Failure/Over/Undervoltage(Output) &Short circuit/Phase failure/Overload(Output)/Surge protection/By-pass switch “

Rated power in VA: 500 kVA

Minimum insulating resistance: 5 MOhm

Efficiency: 95 %

Optional feature: Bypass, Cooling fan

Protection type: Overvoltage for output, Undervoltage protection for output, Undervoltage protection optional for input, Overload protection optional, Phase failure optional, Temperature rise protection optional, Time delay optional, Inrush surge protection optional

Signalling function: Dial pointer indication

Output voltage: 400 V AC +/- 3 %

Network frequency: 50/60 Hz

[Uimp] rated impulse withstand voltage: 2 kV per minute