The ABB M3SSV1-10B is a 22.5 mm selector switch operator featuring a black bezel and knob design. This non-metallic switch offers a three-position maintained operation with a 45° throw, making it a solid choice for control panels where reliable manual selection is needed. It’s designed to fit vertically mounted enclosures and provides robust protection with NEMA ratings of 1, 3R, 4, 4X, 12, and 13, ensuring durability in a variety of environments. Keep in mind that a contact block holder must be added for installation. Distributed by BSP Automation, this selector switch is often referred to by its alternative catalog number 320500302764 or simply by its model. It’s a no-nonsense component that gets the job done without any fuss.