The OHMITE RHL25KE is a wirewound rheostat, a type of variable resistor used for controlling electrical power. These rheostats are designed for demanding industrial applications requiring precise control and high power handling. They feature robust construction and are suitable for a wide range of applications where adjustable resistance is needed. Models H, J, G, K, L and N are listed under UL File No. E-10946 and CSA File No. 21309. All rheostats are 10% tolerance.