Telemecanique XB2MD12 2-Position Selector Switch

The Telemecanique XB2MD12 is a 30 mm two-position maintained selector switch designed for manual machine control and operating-mode selection in industrial automation. Panel-mounted with a chromium-plated metal bezel, it features a black standard-handled operator and a 30 mm mounting diameter, and it uses screw terminals (contact block dependent) with ratings up to 600 VAC and 10 A depending on configuration. It is widely used in motor control centers, control panels, conveyors, packaging equipment, and process machinery for mode selection and machine enable/disable functions; it supports IEC 60947-1, IEC 60947-5-1, and IEC 60947-5-4. Common replacements include Telemecanique XB4BD21, Schneider Electric XB5AD21, and Harmony XB4 two-position maintained selector switch.