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Photoelectric Retro-Reflective Sensor WL34-R240 | IP67 Rated | 0.03m to 22m Sensing Range | Fast Response Time | by SICK
The Photoelectric Retro-Reflective Sensor WL34-R240 is designed for industrial automation, featuring a sensing range from 0.03m to 22m and a fast response time of ≤ 10 ms. With an IP67 rating, it’s perfect for harsh environments, ensuring reliable object detection in manufacturing and material handling applications. The visible red LED light source and adjustable sensitivity settings make it a versatile choice for safety and control systems.
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Alternatively Known As: Photoelectric sensor, Retro-reflective sensor, Optical sensor, Proximity sensor, Industrial photo sensor
Technical Specifications
- Supply voltage: 20 V AC/DC to 250 V AC/DC
- Power consumption: < 2 VA
- Switching output: Electrically isolated relay with change-over contacts
- Switching current: 4 A @ 250 V AC, 4 A @ 24 V DC
- Response time: ≤ 10 ms
- Switching frequency: 10 Hz
- Time functions: Off delay and switch-on delay adjustable from 0.5 s to 10 s
- Connection type: Terminal connection with M16 gland
- Protection class: II
- Enclosure rating: IP67
- Operating temperature: -40 °C to +60 °C
- Storage temperature: -40 °C to +75 °C
- Light source: LED, visible red light, 660 nm wavelength
- Light spot size at 15 m: Ø 250 mm
- Housing material: Plastic, ABS
- Usage category: AC-15, DC-13 according to EN 60947-1
- Dimensions (H x L x W): 92mm x 70mm x 27mm
- Weight: 0.14 kg
Key Features
- Photoelectric retro-reflective sensor with dual lens system for minimum distance to reflector
- Sensing range from 0.03 m up to 22 m
- Visible red LED light source with 660 nm wavelength
- Adjustable potentiometer for sensitivity and delay settings
- Relay output with change-over contacts supporting light and dark switching modes
- High protection rating IP67 suitable for harsh environments
- Wide operating temperature range from -40 °C to +60 °C
- Plastic ABS housing with rectangular light emission design
- Fast response time ≤ 10 ms and switching frequency of 10 Hz
- Includes polarization filter to reduce false triggering
Professional Installation Requirements
- Installation should be performed by a qualified electrician or technician familiar with photoelectric sensor wiring and safety standards.
Applications
- Industrial automation for object detection
- Safety and control systems in manufacturing
- Material handling and conveyor systems
Standards & Compliance
- AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
- Low power consumption under 2 VA reduces energy usage
- Durable IP67 rated housing extends product life and reduces waste
- Complies with China RoHS for hazardous substance restrictions
Warranty Information
Standard manufacturer warranty applies; please refer to SICK for specific warranty terms.
Available Now
The SICK WL34-R240 Photoelectric Retro-Reflective Sensor is available for immediate purchase, ideal for industrial automation and safety applications.
