MLV41-LL-IR/115/136. . Robust fiber optic sensor for reliable operation under all conditions. Adjustable continuous sensitivity. Easy fiber optic installation with quick-action clamping lock. Aluminum housing with high-quality Delta Seal coating. Short circuit and low voltage indicator. Clear and functional display concept for the operating modes. Protection class II. Up to SIL 3 acc. to IEC/EN 61508. Busy channel indication. Auto power off function