... Installed with EMI filter, minimum wave HS-500W-12V compact switch power supply HS-500-12V OutputOutput Voltage12VOutput Current40AOutput Current range0~40AOutput Power500WWave ... 100%.Feature:1,Low price and high reliability2,AC input power suitable for the world3,High efficiency and low operation ... impact effectively5,With short-circuit and over load protection6,Compact size, light weight