The PR40 is a precision regulated DC Power Supply for use with commercial/land-mobile, ham and CB radios, test bench supplies, base stations, tape players and amplifiers. It is designed for years of reliable service and superior performance, it efficiently convert 120VAC into 13.8VDC (±0.5V). The Trim Line series of DC power supplies offers a low-profile design with a footprint that matches the most popular radios on the market, such as Motorola, Radius, GE Monogram Series and EF Johnson models. The current-limiting electronic foldback enables time-controlled automatic over-current protection in case of overload.