The E3F‑DS30C4 is a compact M18 diffuse reflection photoelectric switch sensor designed for fast, reliable object detection. With up to 30 cm sensing distance, it’s perfect for conveyors, counting, packaging lines, and general automation. The NPN, 3‑wire output (brown = V+, blue = 0V, black = signal) makes it easy to connect with PLCs, relays, and controllers. A bright status LED shows target detection at a glance. Especially built for industry, the threaded M18 housing mounts quickly with the supplied nuts and holds its position firmly. Sensitivity is adjustable so you can tune detection for different target colors and sizes. Typical operating voltage is 6–36 VDC, with low current draw and fast response to keep your line running smoothly. So, use it on metal or plastic brackets, or panel‑mount through an 18 mm hole. Features: 30 cm diffuse reflection sensing, adjustable NPN, 3‑wire output (NO), easy PLC hookup Wide supply: 6–36 VDC M18 threaded barrel with lock nuts Status LED for quick diagnostics Specifications: Sensing distance: up to 300 mm (diffuse, adjustable) Output: NPN NO, 3 wires (brown/blue/black) Supply voltage: 6–36 VDC (typ.) Response time: ≤5 ms (typ.), load ≤100 mA (typ.) Housing/Protection: M18 cylindrical, IP65 front (model dep.) Uses: Conveyor object detection/counting Packaging and labeling machines Part presence/position sensing Door/gate sensing and jigs/fixtures DIY/education robotics and automation Packages Include: 1 x Photoelectric Switch Photo Cell