... switch power supply 1.led power supply 2.High efficiency 3.Good quality, small volume, light weight led AFS switch power supply modelkl- ... Low Temperature.shiping modesea, airSwitch Power supply Specifications 1)28-30W led street light power supply 2)Certification:ROHS and CE ... at full loadMTBF30,000 Hours at full load and 50°C ambient conditionsAmbient tempCasc Temp.(Tc) led AFS switch power supply