... could be manually switched)AC inputvoltage rangeAC 220C, 380V, 400V, 415V, 440V(±10%)frequency range50Hz, ... board, upgrade reliabilityEfficiencyHigh, above 90% for 15V output rectifierSave running cost (electricity cost), energy savingLifespanLong, ... lowProtectionsComplete, Phase loss, input under voltage, overvoltage, output under-voltage, overcurrent, overheat, short circuitSafe, protect ...