The Siemens 3Su1000-1Ha20-0Aa0 Push Button Operator is a red, plastic bezel switch with a 22mm size, suitable for industrial electrical controls and automation. It features a mushroom head push button design, low voltage capability, and various IP ratings including IP67, IP69, and IP69K. This push button operator meets standards like REACH, RoHS, and WEEE, and has a NEMA rating of 1. With a sleek design and reliable performance, this switch is ideal for use in various industrial applications.