... /48V/500W switch mode power supply,size;170*120*93mm,led driver,led power supply;bigger one PWM design, make sure the stability ... , Efficiency above 80%, exotherm less than 25 degree*4, Function: with overvoltage protection, short-circuit protection, over-load protection*5, Constant ... when you place the order) Output power:500w*7, Non-waterproof*8, CE & ROHS certificate*9, Working tempreture: -25 to 45 ...