The ABB MPMT3-11R is a rugged, non-metallic pushbutton operator designed for heavy-duty applications. This illuminated, 22.5 mm twist-to-release switch features a red plastic housing with a 40 mm diameter and offers maintained latching functionality, making it a solid choice for reliable control panels. It comes with a broad NEMA rating, covering types 1, 3R, 4, 4X, 12, and 13, ensuring strong protection against dust, water, and corrosion in demanding environments. Keep in mind that you'll need to add a contact block holder to complete the setup. This product is available through BSP Automation, who can hook you up with the right components to fit your automation needs. Sometimes called the 320500307035, it’s a go-to operator when you want something that’s tough and built to last.