The Relay (OEM Part No. 3176000120) is a spare part compatible with Boomer, Boltec, Simba, M4C, E70, S10M, T1D, and other underground drilling rigs. It serves as an electrical component for the drill rig electrical control assembly at the relay mount installation position. The relay controls electrical circuits, enables reliable signal switching, and protects equipment during operation. Designed for underground mining applications, it delivers stable electrical performance and dependable operation. Precise OEM specifications ensure easy installation and long service life.