... .5±0.5V59±0.5VProtectionLow/Over voltageRed LED light, Automatic recovery, AlarmOver loadRed LED light, Lockout, AlarmOver thermalRed LED light, Automatic ... recovery, AlarmShort circuitRed LED light, Automatic recovery, AlarmInput transpositionDiode or MOSFETWorking Temperature-10°C- +50 ...