The Philmore TR038 AC Transformer is a power transformer designed for step-down conversion of AC power. With a primary voltage rating of 120V and a secondary voltage rating of 12V, this transformer is suitable for a variety of electrical equipment and industrial applications. The chassis mount style and compact design make it easy to install and operate, while the 500mA primary current rating ensures efficient power conversion. Made by Philmore, a trusted brand in electrical equipment, this transformer is reliable and built to last.