Power supplies - in the < 1 W to 480 W range - feed devices which cannot directly operate under mains voltage.
The models have input voltages of 230 V AC or 115 V AC and outputs of usually 5 V DC, 12 V DC, 15 V DC, 24 V DC and 48 V DC.
INTERNET USERS ALSO CONSULTED ON THE CATEGORY POWER SUPPLIES
See also