The Switch (OEM Part No. 3217001211) is an electrical spare part compatible with Epiroc underground mining equipment, including Boomer 291, Simba H1254, Boomer 281, S7D, CS14, CS-140, CT20 and related models. Manufactured with plastic housing and electrical contact components, it functions as a control signal switching component in the machine control system. The switch provides reliable circuit operation, accurate signal transmission, and stable equipment control performance. Designed for demanding underground mining applications, this replacement electrical component delivers dependable performance, excellent durability, and long service life for mining equipment maintenance and repair.