... protectionOver voltage, Low voltage proctionCompatibility with generatorsThe Special LED Display Design0, 0, 15, 5, 0, 166, 16, 18 MODEL500800100015002000SPECIFICATIONDC INPUTInput Voltage(Vdc)1212242424Input ... Precision(HZ)50±1%Wave modify sine wavePower Factor(PF)0.8Inversion Efficiency85%Bypass Transfer time(ms)<=6 msPROTECTIONProtectionover temperature protection ...