AC-DC Desktop Power Supplies

In terms of AC-DC power supplies, Alan desktop power supplies have a fixed 230V AC input and 13.8V DC output, while Diamond power supplies are popular in service and hobby electronics and radio amateurs. Their inputs are also 230V AC, while their DC outputs for Diamond power supplies are typically adjustable between 5-15V. Alfatronix industrial power supplies all have a fixed output, 12/24/48V DC depending on the version, and a wide input range (85-135VAC and 170-265VAC).