3SE5212-0BK21 SIEMENS

The 3SE5212-0BK21 is a position switch manufactured by Siemens, designed for reliable and precise position detection in industrial applications. It features a robust metal enclosure conforming to EN 50047 standards, ensuring durability and protection in harsh environments. The device offers a 31 mm wide housing with a single M20 x 1.5 connection point for easy and secure wiring. Internally, the switch incorporates one normally open (NO) and one normally closed (NC) slow-action contact, providing versatile switching options. The twist lever actuator, measuring 21 mm in length, can be adjusted for both right and left-hand operation, enhancing flexibility in installation. A 19 mm plastic roller is attached to the lever, facilitating smooth and accurate engagement with moving parts. This configuration makes the switch suitable for a wide range of applications where precise position monitoring is critical. Its durable construction and adjustable features ensure reliable performance and ease of integration into various machinery and equipment. The slow-action contacts contribute to the switch's longevity by minimizing contact bounce and wear.