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Photoelectric Proximity Sensor WTB9M4-3N2261 | Background Suppression | IP66/IP67/IP69K Rated | NPN Output | by SICK
The WTB9M4-3N2261 Photoelectric Proximity Sensor is designed for industrial automation, featuring background suppression and a high switching frequency of 1,500 Hz. With an IP66/IP67/IP69K enclosure rating, it ensures robust protection in harsh environments, making it ideal for object detection and safety monitoring in manufacturing processes.
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Alternatively Known As: Photoelectric Proximity Sensor, Background Suppression Sensor, Photo Prox Sensor, Industrial Proximity Sensor
Technical Specifications
- Supply voltage: 10 V DC to 30 V DC
- Current consumption: 30 mA
- Switching output: NPN, complementary
- Switching mode: Light/dark switching
- Output current max: ≤ 100 mA
- Response time: < 0.333 ms
- Switching frequency: 1,500 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: -40 °C to +60 °C
- Storage temperature: -40 °C to +75 °C
- Light source: PinPoint LED, 650 nm wavelength
- Light spot size: Ø 4.5 mm at 75 mm distance
- Adjustment: Potentiometer, 5 turns
- 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
- Rectangular housing design with visible red light emission
- Sensing range from 20 mm to 350 mm
- PinPoint LED light source with 650 nm wavelength
- Adjustment via 5-turn potentiometer
- High switching frequency of 1,500 Hz
- Enclosure rating IP66, IP67, and IP69K for robust protection
- Operating temperature range from -40 °C to +60 °C
- Plastic housing made of VISTAL® and optics made of PMMA
- NPN switching output with complementary function
Professional Installation Requirements
- Installation should be performed by a qualified technician or electrician to ensure proper connection and compliance with electrical safety standards.
Applications
- Industrial automation for object detection
- Manufacturing process control
- Safety and monitoring in machinery
- Material handling and packaging systems
Standards & Compliance
- AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
- Low power consumption with 30 mA current draw
- Durable design reduces waste and replacement frequency
- Complies with China RoHS and ECOLAB certificates ensuring environmental safety
Warranty Information
Standard manufacturer warranty applies; please refer to SICK's official warranty policy.
Available Now
The SICK WTB9M4-3N2261 Photoelectric Proximity Sensor is available for immediate purchase, ideal for industrial automation and safety applications.
