Trade Discount 20%
Photoelectric Retro-Reflective Sensor | 4m Sensing Range | IP66/IP67/IP68/IP69K Rated | by SICK
The Photoelectric Retro-Reflective Sensor WL4S-3P2230V is designed for industrial automation, featuring a sensing range of up to 4 meters and a fast response time of under 0.5 ms. With a durable stainless steel housing and high protection ratings, it's perfect for hygienic washdown environments and machine safety applications, ensuring reliable object detection in challenging conditions.
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Alternatively Known As: Photoelectric sensor, Retro-reflective sensor, PNP photoelectric switch, Washdown sensor, Industrial object sensor
Technical Specifications
- Functional principle: Photoelectric retro-reflective sensor without reflector minimum distance
- Sensing range: 0 to 4 meters maximum, 0 to 2.5 meters typical
- Light source: PinPoint LED, visible red light, 650 nm wavelength
- Light spot size: Ø 45 mm at 1.5 m distance
- Supply voltage: 10 V DC to 30 V DC
- Current consumption: 30 mA
- Output type: PNP digital output, light/dark switching
- Output current max: ≤ 100 mA
- Response time: < 0.5 ms
- Switching frequency: 1000 Hz
- Housing: Metal stainless steel V4A (1.4404, 316L), slim design
- Front screen: Plastic PMMA
- Connection: Male M8 connector, 4-pin
- Protection class: III
- Enclosure rating: IP66, IP67, IP68, IP69K
- Operating temperature: -30 °C to +70 °C
- Storage temperature: -30 °C to +75 °C
- Dimensions (H x L x W): 45mm x 22mm x 15mm
- Weight: 0.1 kg
Key Features
- Photoelectric retro-reflective sensor with autocollimation/coaxial optics
- Sensing range up to 4 meters with minimum distance 0 meters
- Polarisation filter for improved detection
- Visible red light PinPoint LED with 650 nm wavelength
- Slim stainless steel V4A housing suitable for washdown environments
- High protection rating IP66, IP67, IP68, IP69K
- Fast response time under 0.5 ms and switching frequency up to 1000 Hz
- Light/dark switching mode with PNP digital output
- Complementary output function with circuit protection
Professional Installation Requirements
- Installation by a qualified technician or electrician is recommended to ensure proper wiring and compliance with safety standards.
Applications
- Industrial automation for object detection
- Hygienic and washdown zones
- Machine safety and process control
Standards & Compliance
- AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
- Durable stainless steel housing reduces replacement frequency and waste
- Energy-efficient LED light source minimizes power consumption
- High protection rating extends product lifespan in harsh environments
Warranty Information
Standard manufacturer warranty applies; please refer to SICK for specific terms.
Available Now
The SICK WL4S-3P2230V Photoelectric Retro-Reflective Sensor is available for immediate purchase, ideal for industrial automation and hygienic washdown applications.
