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Photoelectric Retro-Reflective Sensor WL12-3P1141 | 7m Sensing Range | PNP Output | IP66/IP67/IP69K Rated | by SICK
The WL12-3P1141 Photoelectric Retro-Reflective Sensor is designed for industrial automation, featuring a sensing range of up to 7 meters without a reflector and a visible red LED light source at 640 nm. With robust IP66/IP67/IP69K protection ratings and a fast response time of ≤ 330 µs, this sensor is perfect for object detection and safety monitoring in manufacturing processes.
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Technical Specifications
- Functional principle: Photoelectric retro-reflective sensor without reflector minimum distance (autocollimation/coaxial optics)
- Sensing range: 0 m to 7 m max, 0 m to 5 m typical
- Light source: LED, visible red light, wavelength 640 nm
- Light spot size: Ø 100 mm at 3 m distance
- Adjustment: Potentiometer, 5 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, light/dark switching
- Signal voltage PNP HIGH/LOW: > Uv - 2.5 V / approx. 0 V
- Output current max: ≤ 100 mA
- Response time: ≤ 330 µs
- Switching frequency: 1,500 Hz
- Housing material: Metal
- Front screen: Plastic, PMMA
- Cable: Plastic, PVC, 4-wire, 2 m length
- 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: 0.2 kg
Key Features
- Photoelectric retro-reflective sensor with autocollimation/coaxial optics
- Sensing range up to 7 meters without reflector
- Visible red LED light source with 640 nm wavelength
- Potentiometer adjustment with 5 turns
- Approximate 1.5° angle of dispersion
- Robust metal housing with IP66, IP67, and IP69K protection ratings
- Light/dark switching mode with PNP output
- Response time ≤ 330 µs and switching frequency up to 1,500 Hz
- Includes 2 clamps BEF-KH-W12 with screws
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
- Safety and monitoring in manufacturing processes
- Material handling and packaging systems
Standards & Compliance
- AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
- Energy-efficient LED light source reduces power consumption
- Durable construction minimizes waste and replacement frequency
Warranty Information
Standard manufacturer warranty applies; please refer to SICK for specific terms.
Available Now
The SICK WL12-3P1141 Photoelectric Retro-Reflective Sensor is available for immediate purchase, ideal for industrial automation and safety applications.
