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Photoelectric Retro-Reflective Sensor WL12-3N2451 | 2m Sensing Range | IP66/IP67/IP69K Rated | by SICK
The Photoelectric Retro-Reflective Sensor WL12-3N2451 is designed for precise object detection in industrial automation. With a sensing range of up to 2 meters using a reflector and a robust metal housing rated IP66/IP67/IP69K, this sensor ensures reliable performance in challenging environments. Ideal for manufacturing lines and safety systems, it features a visible red LED light source and a high switching frequency of 1,500 Hz for enhanced detection capabilities.
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Product Name/Title: Photoelectric Retro-Reflective Sensor WL12-3N2451 | 2m Sensing Range | IP66/IP67/IP69K Rated | by SICK
Brand: SICK
SKU: 1041450
Alternatively Known As: Photoelectric sensor, Retro-reflective sensor, Object detection sensor, SICK WL12 sensor
Technical Specifications
- Functional principle: Photoelectric retro-reflective sensor
- Sensing range max.: 0 m to 2 m with reflector, 0 m to 1.3 m without reflector
- Polarisation filter: Yes
- Light source: LED, visible red light, 640 nm wavelength
- Light spot size: Ø 2 mm at 90 mm distance
- Adjustment: Potentiometer, 5 turns
- Angle of dispersion: Approx. 5°
- Supply voltage: 10 V DC to 30 V DC
- Current consumption: 40 mA
- Protection class: III
- Output type: NPN, light/dark switching
- Output current max: ≤ 100 mA
- Response time: ≤ 330 µs
- Switching frequency: 1,500 Hz
- Housing: Metal with plastic PMMA front screen
- Connection: Male connector M12, 4-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 2 meters with reflector, 1.3 meters without
- Polarisation filter for improved detection reliability
- Visible red LED light source with 640 nm wavelength
- Potentiometer adjustment with 5 turns
- Focused optics for detecting small objects
- High switching frequency of 1,500 Hz
- Robust metal housing with IP66, IP67, and IP69K protection ratings
- Operating temperature range from -40°C to +60°C
Professional Installation Requirements
- Installation by a qualified technician or electrician is recommended to ensure proper wiring and sensor alignment.
Applications
- Industrial automation for object detection
- Small object detection in manufacturing lines
- Safety and control systems requiring precise sensing
Standards & Compliance
- 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 WL12-3N2451 Photoelectric Retro-Reflective Sensor is available for immediate purchase, ideal for industrial automation and object detection applications.
