... , centrifuge, rolling mill. Performance CharacteristicsThe device combines series & parallel thyristor, professional insulating material imported with original ... limiting, over-voltage, under-voltage, overload, open-phase, three phases current unbalance, overheat, communication fault.Unique ... is easy to install.Working Conditions Rated voltageThree-phase AC, 6KV-12KV(+10%, -15%) 50HZWorking voltageNo ...