Switching Power Supply High efficiency and reliability AC input range selected by switch 1 year ... %RHVibration10~500Hz,2G 10min./1cycle,period for 60min, each along X, Y, Z axesSafetyWithstand VoltageI/P-O/P:1.5KVAC I ... J Conduction Class BOthersWeight0.51KgPacking24pcs/13.1Kg/0.7CUFT 50W High Efficiency Switching Power Supply