The ABB M2SS1-10B is a rugged selector switch operator designed for industrial control applications. This 22.5 mm, non-metallic switch features a black bezel and knob, offering a clean, straightforward interface. It operates with a 2-position maintained action and a 45° throw, making it a solid choice for reliable on/off or selection functions. Rated for NEMA 1, 3R, 4, 4X, 12, and 13 environments, it’s built to handle various indoor and outdoor conditions without breaking a sweat. Keep in mind, you’ll need to add a contact block holder to complete your setup. You can find this handy selector switch, often referenced by codes like 320500283308, through BSP Automation, a trusted source for quality industrial components.