... . 2year warranty 3. High efficiency 350W 12V Switching power supply S-350-12 MODELS-350-5S-350-7.5S- ... 67.2VProtection type : Shut down o/p voltage, re-power on to recoverFAN ON/OFF CONTROLRTH3 55 FAN ON, ... 500Hz, 2G 10min./1cycle, period for 60min. each along X, Y, Z axesSAFETY &EMC(Note 4)SAFETY STANDARDSWITHSTAND VOLTAGE I ... line regulation and load regulation. factory direct Switching power supply