12V/24V/48V/500W switch mode power supply,size;170*120*93mm,led driver,led power supply;bigger one PWM ... , make sure the stability and high efficiency of power supply.*2, Anti-jamming, passed EMC test, ... load protection*5, Constant voltage output, assume stable power supply for LED lightings to reach long lifetime and ... *120*93mm 12V/24V/48V/500W switch mode power supply,size;170*120*93mm,led driver,led ...