Schneider Electric XB5AD33N Selector Switch 3 Position Maintained

Schneider Electric's Telemecanique Harmony XB5AD33N is a 22 mm three-position maintained selector switch designed for manual machine control and operating-mode selection in industrial automation systems. It features two normally open (NO) contacts with slow-break operation, screw-clamp terminals, and a dark grey plastic bezel with a matching fixing collar, all housed in a 42 × 30 × 70 mm enclosure that mounts on a 22.5 mm panel and carries IP54 protection. With a wide operating temperature range of -25°C to +70°C, it is commonly used on electrical control panels, packaging machinery, conveyors, machine tools, and OEM equipment for selecting operating modes or functions. Common replacements include Schneider Electric XB5AD33, XB4BD33, and Harmony XB5 3-position maintained selector switches for retrofit or replacement projects.