... 456VFrequency50Hz/60HzOutputVoltage380V±3%Frequency50Hz/60HzProtectionLow voltage318V±7VOver voltage426V±7VBypassAuto/Manual (Optional)Overload/short circuitYESShipping Wt.(Kg)1040108011061490158024003150Packing dimensions(mm ... Our main products are voltage stabilizers, voltage regulators, inverters, voltage regulator ,silicon rectifying chargers, low voltage apparatus, reactors, current transformers ...