200 watt desktop switch mode power supplies psu powerpax uk sw4044f this high quality safety approved 200w desktop switch mode power supply meets cec energy efficiency level vi requirements and has a wide range 90v to 264v ac 4763hz input for world use it also has short circuit over voltage and over current and over temperature protections as standard powerpax uk sw4044f 24vdc 83 amp desktop sw mode psu