DC Power Supply, Output Volts (DC) 13.8V, Output Current (Amps) 20 A, 120V AC Input Voltage, Input Frequency (Hz) 60 Hz, Manufacturers Warranty Length 1 yr, Height 6.75 in, Width 6.75 in, Depth 10.25 in Efficiently convert 120VAC to 13.8VDC while protecting against overcurrent with this precision-regulated DC power supply. It features crowbar protection on units larger than 15A to prevent damage to connected equipment. Regulated output voltage maintains up to 95% of no-load value. The heavy-duty power transformer feature helps provide complete isolation from noise on incoming AC power. Chassis-mount fuse included.
Had a previous PR-25 that lasted between 25-30 years before it started having issues and if I can locate the correct replacement parts, it will work again. These supplies are built to stand the test of time.