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Photoelectric Retro-Reflective Sensor WL9M4 IP66 IP67 IP69K Rated 5m Sensing Range Variant-1 SICK
The Photoelectric Retro-Reflective Sensor WL9M4 is designed for industrial automation, featuring a sensing range of up to 5 meters and a high switching frequency of
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Alternatively Known As: Photoelectric sensor, Retro-reflective sensor, Optical sensor, SICK sensor WL9M4, Industrial photo sensor
Technical Specifications
- Supply voltage: 10 V DC to 30 V DC
- Current consumption: 30 mA
- Switching output: NPN complementary
- Output current max: ≤ 100 mA
- Switching mode: Light/dark switching
- Response time: < 0.5 ms
- Switching frequency: 1,000 Hz
- Connection type: Male M8 connector, 4-pin
- Circuit protection: Types A, B, C
- Protection class: III
- Enclosure rating: IP66, IP67, IP69K
- Operating temperature: -40°C to +60°C
- Storage temperature: -40°C to +75°C
- Light source: PinPoint LED
- Light spot size at 1.5 m: Ø 45 mm
- Wave length: 650 nm
- Dimensions (H x L x W): 49.8mm x 23.6mm x 12.2mm
- Weight: 0.1 kg
Key Features
- Photoelectric retro-reflective sensor with autocollimation/coaxial optics
- Visible red light with 650 nm wavelength using PinPoint LED
- Sensing range up to 5 meters without reflector
- Single teach-in button for easy adjustment
- Rectangular housing with M4 mounting hole
- High switching frequency of 1,000 Hz and response time under 0.5 ms
- Protection class III with IP66, IP67, and IP69K enclosure rating
- Polarizing filter included to reduce false triggers
- Wide ambient operating temperature range from -40°C to +60°C
Professional Installation Requirements
- Installation should be performed by qualified personnel familiar with photoelectric sensor wiring and safety standards to ensure proper operation and compliance.
Applications
- Industrial automation for object detection
- Small object detection in manufacturing lines
- Use in harsh environments requiring IP66/IP67/IP69K protection
Standards & Compliance
- AS/NZS 4801 – Occupational Health & Safety Management Systems
Environmental Benefits
- Low power consumption with 30 mA current draw
- Durable housing materials (VISTAL® plastic and PMMA optics) extend product life and reduce waste
- High reliability with MTTFD of 1,530 years reduces replacement frequency
Warranty Information
Standard manufacturer warranty applies; please refer to SICK for specific warranty terms.
Available Now
The SICK WL9M4-3N2232 Photoelectric Retro-Reflective Sensor is available for immediate purchase, ideal for industrial automation and object detection applications.
