The OHMITE RHS125E is a wirewound rheostat, a type of variable resistor commonly used in industrial and commercial applications where precise control of electrical circuits is required. These rheostats are known for their durability, accuracy, and ability to handle high power dissipation. The RHS125E model features a robust design suitable for demanding environments. They are often used in motor speed control, lighting dimming, and audio volume adjustment systems. Consult factory for details on specific dimensions and performance characteristics.