Allen-Bradley 808-M2 Speed Switch

Allen-Bradley 808-M2 Speed Switch is a high-speed speed-sensing switch that provides a clean electrical contact signal at a preset shaft speed, enabling precise speed monitoring, plugging/anti-plugging control, and direction-of-rotation sensing. It is rated for 600 V AC and up to 5 A, and offers four mounting arrangements with Type 1, 4/13 enclosure options for flexible installation. The speed setting is adjustable across a range from 15 to 1,000 rpm, supporting shaft speeds up to 2,000 rpm, and it features a double-shaft seal and long-life bearings, with a safety lock-out solenoid available for added safety. Common applications include machine tools, conveyor systems, and fans or pumps where reliable rotation sensing is essential, and the 808-M2 carries certifications such as UL Listed, CE, CSA, and UKCA.