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Photoelectric Proximity Sensor WTB9L-3N2291 | IP66/IP67/IP69K Rated | 500 Hz Switching Frequency | by SICK
The WTB9L-3N2291 Photoelectric Proximity Sensor is designed for industrial automation, featuring a sensing range of 25 mm to 400 mm and a high switching frequency of 500 Hz. With robust IP66/IP67/IP69K enclosure ratings, it ensures reliable performance in harsh environments, making it ideal for manufacturing process control and material handling applications.
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Technical Specifications
- Supply voltage: 10 V DC to 30 V DC
- Current consumption: 30 mA
- Switching output: NPN, complementary
- Output current max: ≤ 100 mA
- Response time: ≤ 1 ms
- Switching frequency: 500 Hz
- Connection type: Male connector M8, 4-pin
- Protection class: III
- Enclosure rating: IP66, IP67, IP69K
- Operating temperature: -10 °C to +50 °C (standard), -30 °C to +55 °C (extended)
- Storage temperature: -30 °C to +70 °C
- Housing material: Plastic, VISTAL®
- Optics material: Plastic, PMMA
- Laser class: 2 (IEC 60825-1 / CDRH 21 CFR 1040.10 & 1040.11)
- Light spot size: Ø 0.9 mm at 230 mm distance
- Sensing range: 25 mm to 400 mm
- Dimensions (H x L x W): 49.8mm x 23.6mm x 12.2mm
- Weight: 0.1 kg
Key Features
- Photoelectric proximity sensor with background suppression
- Visible red laser light source with 650 nm wavelength
- Sensing range from 25 mm to 400 mm
- Rectangular housing design with M3 mounting hole
- Potentiometer adjustment with 5 turns
- High switching frequency of 500 Hz and response time ≤ 1 ms
- Enclosure rating IP66, IP67, and IP69K for robust protection
- Operating temperature range from -30 °C to +55 °C (extended)
- Light/dark switching output with complementary NPN output
- Circuit protection and protection class III
- Light spot size Ø 0.9 mm at 230 mm distance
- Laser class 2 compliant with IEC 60825-1 standards
Professional Installation Requirements
- Installation should be performed by qualified personnel familiar with laser safety and electrical sensor integration to ensure proper setup and compliance with safety standards.
Applications
- Industrial automation for detecting small objects
- Manufacturing process control
- Material handling and packaging systems
- Robotics and assembly lines requiring precise object detection
Standards & Compliance
- Complies with AS/NZS 3820 – Essential Safety Requirements for Electrical Equipment
Environmental Benefits
- Energy-efficient operation with low current consumption of 30 mA
- Durable housing materials (VISTAL® plastic) reduce waste and extend product life
- High reliability reduces replacement frequency and electronic waste
Warranty Information
Standard manufacturer warranty applies. Please refer to SICK's official warranty policy for details.
Available Now
The SICK WTB9L-3N2291 Photoelectric Proximity Sensor is available for immediate purchase, ideal for industrial automation and precise object detection applications.
