The OHMITE RJS3K5E is a wirewound rheostat, a type of variable resistor commonly used in industrial control systems and power regulation applications. Wirewound construction provides high precision and stability, making it suitable for demanding environments. This rheostat features a robust design and is capable of handling significant power dissipation. Consult factory for details regarding specific dimensions and performance characteristics. Models H, J, G, K, L and N are listed under UL File No. E-10946 and CSA File No. 21309.