Allanson constant-voltage LED power supply delivers regulated 12V DC to power LED modules and strips in illuminated signs. The encased unit accepts 120-277V line input and includes overload, over-temperature, and short-circuit protection. Output wattage spans roughly 24W to 120W across the series. Wet-rated CVW models carry an IP rating for outdoor exposure, while standard models suit dry and damp interiors. Designed for channel letters, sign cabinets, and light boxes.