The Osborne Transformer Co P/N 10327C is a reliable transformer designed for versatility, offering a step-up conversion function. It efficiently transforms inputs from 110v-220vac to outputs of 220-480vac, suitable for a variety of electrical applications. Constructed in the United States, this single-phase transformer operates at a frequency of 60 Hz, ensuring compatibility with standard North American power systems. Has 3-prong 120vac input cord and female computer-type output plug, each ~6 ft long.