... 3%Frequency50Hz/60HzProtectionLow voltage318V±7VOver voltage426V±7VBypassAuto/Manual (Optional)Overload/short circuitYESShipping Wt.(Kg)1040108011061490158024003150Packing ... system,made inverter not only connect with solar system,also could be used in ... products are voltage stabilizers, voltage regulators, inverters, voltage regulator ,silicon rectifying chargers, low voltage apparatus, reactors, ...