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Photoelectric Retro-Reflective Sensor | 4m Sensing Range | IP66/IP67/IP69K Rated | by SICK
The Photoelectric Retro-Reflective Sensor WL12G-3B2531 is designed for precise object detection in industrial automation, featuring a sensing range of up to 4 meters without a reflector. With a robust metal housing and IP66/IP67/IP69K ratings, it operates efficiently in harsh environments, making it ideal for safety and control systems. The sensor includes a polarisation filter and adjustable potentiometer for enhanced performance.
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Product Name/Title: Photoelectric Retro-Reflective Sensor | 4m Sensing Range | IP66/IP67/IP69K Rated | by SICK
Brand: SICK
SKU: 1041456
Alternatively Known As: Photoelectric sensor, Retro-reflective sensor, SICK WL12G sensor, Object detection sensor
Technical Specifications
- Functional principle: Photoelectric retro-reflective sensor
- Sensing range max: 0 m to 4 m without reflector
- Polarisation filter: Yes
- Light source: LED, visible red light, wavelength 640 nm
- Light spot size: Ø 25 mm at 1.5 m
- Adjustment: Potentiometer with 11 turns
- Angle of dispersion: Approx. 1.5°
- Supply voltage: 10 V DC to 30 V DC
- Current consumption: 30 mA
- Protection class: III
- Output type: PNP, NPN
- Switching mode: Light switching, Dark switching selectable
- Output current max: ≤ 100 mA
- Response time: ≤ 330 µs
- Switching frequency: 1,500 Hz
- Circuit protection: Types A, C, D
- Housing material: Metal zinc diecast
- Front screen material: Plastic PMMA
- Connection: Plug, M12, 5-pin
- Enclosure rating: IP66, IP67, IP69K
- Operating temperature: -40 °C to +60 °C
- Storage temperature: -40 °C to +75 °C
- Dimensions (H x L x W): 49mm x 42mm x 16mm
- Weight: 0.12 kg
Key Features
- Photoelectric retro-reflective sensor with autocollimation/coaxial optics
- Sensing range up to 4 meters without reflector
- Polarisation filter included
- Visible red LED light source with 640 nm wavelength
- Adjustable potentiometer with 11 turns
- Angle of dispersion approximately 1.5°
- Selectable light/dark switching modes via control cable
- High switching frequency of 1,500 Hz
- Robust metal zinc diecast housing with IP66, IP67, and IP69K ratings
- Operating temperature range from -40°C to +60°C
- Includes 2 clamps BEF-KH-W12 with screws
Professional Installation Requirements
- Installation by a qualified electrician or technician is recommended to ensure proper wiring and sensor alignment.
Applications
- Industrial automation for object detection
- Detecting transparent objects in manufacturing
- Safety and control systems requiring precise sensing
Standards & Compliance
- Complies with AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
- Energy-efficient LED light source reduces power consumption
- Durable metal housing extends product lifespan, reducing waste
Warranty Information
Standard manufacturer warranty applies; please refer to SICK for specific terms.
Available Now
The SICK WL12G-3B2531 Photoelectric Retro-Reflective Sensor is available for immediate purchase, ideal for industrial automation and object detection applications.
