The ETC ELC T-5000 Watt Voltage Converter Transformer is a versatile power transformer designed for converting 110V to 220V and vice versa. With a step-up conversion function and a turns ratio of 1:10, this transformer is ideal for a variety of electrical equipment and supplies in industrial and commercial settings. The primary and secondary voltage ratings are both 110V, making it a reliable choice for powering a wide range of devices.