Siemens 3SE2120-1DV00-0AF1

The Siemens 3SE2120-1DV00-0AF1 is a metal-enclosed position switch designed for reliable operation in industrial applications. Featuring a roller plunger actuator and snap-action contacts arranged as one normally open and one normally closed (Form C), this switch ensures precise position detection. It includes a 5-pin M20 quick-disconnect connection and comes equipped with a 24 VAC/DC LED indicator for clear status feedback. While this particular model was discontinued in 2011, it remains a recognizable component and is available through BSP Automation for those needing legacy parts or replacements.