The Relay (OEM Part No. 3176003208) is a spare part compatible with E70, S10M, M4C, M2D, T1D, Simba E7C,M40S, Boomer XE3C, ST1030, Boomer S2, M2C, S1D, S2, and related underground drilling rigs. It serves as an electrical component for the underground drill electrical circuit control system at the relay mount position. It enables reliable circuit switching and stable electrical control during equipment operation. Precise OEM specifications ensure easy installation and dependable performance.