Sick WLL260-F440 Fiber Optic Sensor
Sick WLL260-F440 Fiber Optic Sensor features rectangular housing, visible red LED light, PNP output, and proximity sensing capability applications. This Sick Intrinsic Optical Fiber Sensor operates with a 0–50 mm proximity sensing range, supports light/dark switching, delivers ≤ 0.7 ms response time, and maintains a 700 Hz switching frequency for industrial automation. The WLL260-F440 is categorized under Sick Fiber Optic Sensors for structured optical detection systems.

| Brand | Sick |
| Product Type | Fiber Optic Sensor |
| Model Number | WLL260-F440 |
Sick WLL260-F440 Fiber Optic Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Device type | Fiber-optic sensors |
| Dimensions (W x H x D) | 25 mm x 77.8 mm x 63 mm |
| Housing design (light emission) | Rectangular |
| Sensing range max. | 0 mm ... 65 mm (Proximity system) 1) 2)0 mm ... 110 mm (Proximity system) 1) 3)0 mm ... 800 mm (Through-beam system) 2) |
| Sensing range | 0 mm ... 50 mm, Proximity system 2)0 mm ... 90 mm, Proximity system 3)0 mm ... 700 mm, Through-beam system 2) |
| Type of light | Visible red light |
| Light source | LED |
| Wave length | N/A |
| Indication | LED |
| Supply voltage | N/A |
| Current consumption | 35 mA 3) |
| Switching output | PNP |
| Switching mode | Light/dark switching |
| Response time | ≤ 0.7 ms |
| Switching frequency | 700 Hz |
| Connection type | Male connector M12, 4-pin |
| Housing material | Plastic, ABS |
| Ambient operating temperature | –25 °C ... +55 °C |
| Ambient temperature, storage | –40 °C ... +70 °C |
| Weight | 120 g |
The WLL260-F440 Sick Intrinsic Optical Fiber Sensor is a rectangular fiber optic sensing device designed for stable object detection in industrial automation systems. This Sick Fiber Optic Sensor uses visible red LED light, PNP switching output, and defined proximity and through-beam sensing ranges. The WLL260-F440 is used where controlled optical detection and consistent switching behavior are required in industrial environments.
The WLL260-F440 Sick Intrinsic Optical Fiber Sensor is applied in conveyors, packaging machines, automated assembly lines, and inspection stations. Its proximity sensing capability supports accurate detection of small objects, while the PNP output enables direct integration with compatible control systems. The fast response time and stable switching frequency ensure reliable signal processing in continuous automation workflows.
The Sick WLL260-F440 Fiber Optic Sensor provides defined optical performance, controlled electrical characteristics, and stable output for long-term industrial operation. With LED indication, M12 connector interface, and durable ABS housing, this Sick Intrinsic Optical Fiber Sensor is suitable for demanding industrial environments. Its technical consistency and Sick brand reliability support dependable sensing across structured automation applications.




