A power supply is utilized to cut back mains or a few phase electrical power, generally at 240 Vac or 440 Vac down to a voltage that may be usable, such as 12 Vdc. The PSU also converts the current rating, in the shape of AMPS, to some level that https://josueqepbl.bloguerosa.com/29502755/top-power-supplies-repair-secrets