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Photoelectric Retro-Reflective Sensor WL9M4-3N2232 | IP66, IP67, IP69K | 1000 Hz Switching Frequency | by SICK
The Photoelectric Retro-Reflective Sensor WL9M4-3N2232 is designed for precise object detection in industrial automation. With a sensing range of up to 5 meters and a high switching frequency of 1000 Hz, it ensures rapid response times under 0.5 ms. Built for harsh environments, this sensor features an IP66, IP67, and IP69K enclosure rating, making it ideal for small object detection in manufacturing lines.
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Product Name/Title: Photoelectric Retro-Reflective Sensor WL9M4-3N2232 | IP66, IP67, IP69K | 1000 Hz Switching Frequency | by SICK
Brand: SICK
SKU: 1051893
Alternatively Known As: Photoelectric sensor, Retro-reflective sensor, Object detection 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: 1000 Hz
- Connection type: Male connector M8, 4-pin
- Housing material: Plastic, VISTAL®
- Optics material: Plastic, PMMA
- Enclosure rating: IP66, IP67, IP69K
- Operating temperature: -40°C to +60°C
- Storage temperature: -40°C to +75°C
- Weight: 13 g
- Polarizing filter included
- MTTFD: 1,530 years
- Mission time: 20 years
- 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, 3 meters with reflector
- Single teach-in button for easy adjustment
- Rectangular plastic housing with M4 mounting hole
- High switching frequency of 1000 Hz and response time under 0.5 ms
- NPN complementary output with light/dark switching mode
- Protection class III with IP66, IP67, IP69K enclosure rating
- Wide ambient operating temperature range from -40°C to +60°C
- Polarizing filter included to reduce false triggers
- Circuit protection types A, B, and C
Professional Installation Requirements
- Installation should be performed by qualified personnel familiar with photoelectric sensor wiring and configuration to ensure optimal performance and safety.
Applications
- Industrial automation for object detection
- Small object detection in manufacturing lines
- Use in harsh environments requiring IP66, IP67, IP69K protection
Standards & Compliance
- Complies with AS/NZS 4801 – Occupational Health & Safety Management Systems
Environmental Benefits
- Energy-efficient LED light source reduces power consumption
- Durable housing materials extend product lifespan, reducing waste
- High reliability minimizes downtime and replacement frequency
Warranty Information
Standard manufacturer warranty applies; please refer to SICK's official warranty policy.
Available Now
The SICK WL9M4-3N2232 Photoelectric Retro-Reflective Sensor is available for immediate purchase, ideal for industrial automation and small object detection applications.
