The SLM21 Safety Door Switch (6 contacts) is an industrial safety door switch designed to monitor the open/closed status of machine guards, safety doors, access panels and covers in automated systems. It features multiple contact configurations (up to 6‑contact combinations) to support both door monitoring and lock feedback signals, providing flexibility for integration into safety control circuits. The unit boasts a high holding force of approximately 1300 N and IP67 protection, making it suitable for harsh industrial environments where dust or moisture is present.
Built with high‑quality PA66 fire‑retardant housing and rated to CE and TÜV safety standards, the SLM21 supports both general and micro‑loads for various applications. It complies with safety standards including EN 60947‑5‑1, EN ISO 14119, IEC 61508 and related national norms. The switch is designed for adjustable key inserting directions, allowing flexible mounting on different door/frame orientations. Its long mechanical lifespan (over 1 000 000 cycles) and solid electrical performance also support a broad range of operating conditions.
