New Model:WSL-030-A840W Old Model:WNP04036IC036 Name:42w,28v open frame switching power supplies power supplies'features: 90Vac-264Vac Universal input Voltage Built-in active PFC function,PF>0.92 Protected functions:short circuit/Over temperature/Over voltage Cooling by free air convection Warrenty:3 years Application:This supplies was applied in Explosion-proof lamp Open frame power supplies'specifications: Model WSL-030-A840W Output voltage range 32V-36V DC Current 0.84A Rated Power 30W Ripple&Noise ¡À20% Curent Regulation ¡À5% Starting time 2000mS/230Vac, 3000mS/115Vac Input Voltage range 100Vac-240Vac Frequency range 47Hz-63Hz Power Factor PF>0.92/230Vac,PF>0.95/115Vac Efficinecy 88%/230Vac AC 115Vac 1.0A current 230Vac 0.5A Inrush current 50Apk @240Vac Leakage current 3.0mAmax @ 220Vac Protection Shrot circuit Output short circuit protection Protection mode:Hiccup,recovery after the fault removed Over voltage 40---45Vdc Protection mode:Limit highest voltage,recovery after the fault removed Environment Working temperature*humidity -20¡ãC to +50¡ãC,Without condensation Storage temperature&humidity -30¡ãC to +80¡ãC Vibration Resist 10-500Hz,2G ,X/Y/ZAXIS 60 mintues Safety & EMC Safety UL8750,GB4943 HI-OPT I/P-O/P: 1K5Vac Insulation resistance I/P-O/P: 100M Ohms/500Vdc EMI EN55015, GB17743 CLASS B Harmonic Current IEC61000-3-2 Class C compliant Others Dinmension 126*100*40mm(L*W*H) Net weight less than 500g