Overview
The Sick WLL260-M240 is a fiber-optic photoelectric sensor designed for retro-reflective detection in industrial automation and motion control systems. With an input voltage range of 22–240VAC, this sensor provides flexible power supply compatibility across global voltage standards. The WLL260 series delivers dependable target recognition in applications requiring long-distance sensing or harsh environmental conditions.
Key Features
- Retro-reflective detection method for reliable target sensing
- Wide voltage range: 22–240VAC operation
- Fiber-optic sensor head for remote sensing applications
- Compact, rugged industrial design
- Fast response time suitable for high-speed motion control
- IP65-rated protection against moisture and dust ingress
Technical Specifications
- Input Voltage: 22–240VAC
- Detection Method: Retro-reflective
- Sensor Type: Fiber-optic photoelectric
- Output Type: SPDT relay or PNP transistor (model variant)
- Operating Temperature: 0–50°C
- IP Rating: IP65 (sensor head)
- Connection: Cable or M12 connector (variant dependent)
- Response Time: Typically <50 ms
- Manufacturer: Sick
- Series: WLL260
Typical Applications
- Conveyor belt and packaging automation detection
- Part positioning and material handling systems
- High-speed production line monitoring
- Presence/absence sensing in harsh industrial environments
- Reflection-based target recognition and counting
- Long-distance object detection where diffuse sensing is insufficient
Compatibility & Replacements
Compatible With
- Standard 110–240VAC industrial control systems
- Relay logic and programmable logic controller (PLC) inputs
- Industrial machinery and automation equipment
- Motion control and production line systems
Replaces / Drop-In Replacement For
- WLL260 series fiber-optic sensors with similar voltage ratings
- Verify compatibility with your system integrator before ordering
Works With
- Standard industrial relay logic panels
- PLC digital inputs (24VDC isolated)
- SCADA and HMI systems with discrete I/O
- Motor starters and contactor circuits
- Industrial automation control networks




















