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Photoelectric Proximity Sensor WTB9M4L-3P2291 | Background Suppression | IP66/IP67/IP69K Rated | 500 Hz Switching Frequency | by SICK
The WTB9M4L-3P2291 Photoelectric Proximity Sensor is designed for industrial automation, featuring background suppression and a high switching frequency of 500 Hz. With an IP66/IP67/IP69K rating, it ensures robust protection in harsh environments, making it ideal for detecting small objects in manufacturing and quality control applications.
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Technical Specifications
- Supply voltage: 10 V DC to 30 V DC
- Current consumption: 30 mA
- Switching output: PNP, complementary
- Switching mode: Light/dark switching
- Output current max: ≤ 100 mA
- Response time: ≤ 1 ms
- Switching frequency: 500 Hz
- Connection type: Male connector M8, 4-pin
- Circuit protection: Types A, B, C
- Protection class: III
- Housing material: Plastic, VISTAL®
- Optics material: Plastic, PMMA
- 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
- Laser class: 2 (IEC 60825-1 / CDRH 21 CFR 1040.10 & 1040.11)
- Light spot size: Ø 0.9 mm at 230 mm distance
- 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 M4 mounting hole
- Potentiometer adjustment with 5 turns
- High switching frequency of 500 Hz
- IP66, IP67, and IP69K rated for robust protection
- Operating temperature range from -30 °C to +55 °C (extended)
- Light/dark switching mode with complementary PNP output
- Laser class 2 certified (IEC 60825-1)
Professional Installation Requirements
- Installation should be performed by qualified personnel familiar with laser safety and electrical connection standards to ensure compliance and optimal sensor performance.
Applications
- Industrial automation for detecting small objects
- Manufacturing process control
- Material handling and packaging systems
- Quality control and inspection systems
Standards & Compliance
- Complies with AS/NZS 4801 – Occupational Health & Safety Management Systems
- Complies with AS/NZS 60950 – Safety of IT and Communication Equipment
Environmental Benefits
- Low power consumption with 30 mA current draw
- Durable IP66/IP67/IP69K rated housing reduces waste by extending product life
- Complies with China-RoHS for hazardous substance restrictions
Warranty Information
Warranty details available upon request from the manufacturer.
Available Now
The SICK WTB9M4L-3P2291 Photoelectric Proximity Sensor is available for immediate purchase, ideal for industrial automation and precise object detection applications.
