12V/24V/48V/500W switch mode power supply,size;170*120*93mm,led driver,led power supply;bigger one PWM design, ... make sure the stability and high efficiency of power supply.*2, Anti-jamming, passed EMC test, wave less than 20MV.*3 ... & ROHS certificate*9, Working tempreture: -25 to 45 degreesize:170*120*93mm 12V/24V/48V/500W switch mode power supply,size ...