The OHMITE REL75RE is a wirewound rheostat, a type of variable resistor used for controlling electrical power. It's designed for industrial applications requiring precise and reliable control. Featuring a robust construction and a wide range of resistance values, the REL75RE is suitable for applications such as motor speed control, lighting dimming, and volume adjustment. The enclosed design provides protection against environmental factors, ensuring long-term reliability. Consult catalog #203 for complete details.