The Kärcher 66315100 (formerly 6.631-510.0) is a genuine 2-pole main switch specifically designed for various Kärcher HDS series hot water high-pressure cleaners. This essential OEM electrical component provides reliable power control for your Kärcher cleaning equipment. With precise dimensions of 95 mm length, 51 mm width, and 51 mm height, and a weight of 0.12 kg, it serves as a direct replacement part for maintaining optimal machine functionality.