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Photoelectric Proximity Sensor WTB27X-3P1811 | Background Suppression | IP67 Rated | ATEX Certified | by SICK
The WTB27X-3P1811 Photoelectric Proximity Sensor is designed for industrial automation, featuring a sensing range of 100 mm to 1600 mm and background suppression technology. With an IP67 rated enclosure for dust and water protection, this sensor is ideal for explosive area applications, ensuring reliable performance in challenging environments.
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Technical Specifications
- Functional principle: Photoelectric proximity sensor with background suppression
- Sensing range: 100 mm to 1600 mm
- Light source: Infrared LED, 880 nm wavelength
- Adjustment: Potentiometer
- Supply voltage: 10 V DC to 30 V DC
- Current consumption: 40 mA
- Switching output: PNP, complementary
- Switching mode: Light/dark switching
- Output current max: ≤ 100 mA
- Response time: ≤ 1.5 ms
- Switching frequency: 350 Hz
- Connection: 4-wire cable, 10 m, PVC
- Protection class: II
- Enclosure rating: IP67
- Housing material: Metal (Stainless steel V2A 1.4301) and ABS plastic
- Optics material: PMMA plastic
- Operating temperature: -20 °C to +50 °C
- Storage temperature: -40 °C to +75 °C
- ATEX marking: II 3G Ex nA op is IIB T4 Gc X, II 3D Ex tc IIIB T135°C Dc X
- Dimensions (H x L x W): 112.3mm x 70.4mm x 31.4mm
- Weight: 0.75 kg
Key Features
- Photoelectric proximity sensor with background suppression
- Rectangular metal and ABS housing with stainless steel V2A
- Sensing range from 100 mm to 1600 mm
- Infrared LED light source with 880 nm wavelength
- Potentiometer adjustment for sensitivity
- IP67 rated enclosure for dust and water protection
- ATEX certified for explosive areas (Category 3D, 3G)
- Fast response time ≤ 1.5 ms and switching frequency 350 Hz
- Complementary PNP output with light/dark switching mode
Professional Installation Requirements
- Installation should be performed by qualified personnel familiar with ATEX certified equipment and electrical safety standards.
Applications
- Industrial automation for object detection
- Explosive area sensing applications
- Background suppression sensing in manufacturing processes
Standards & Compliance
- AS/NZS 60035 – Electrical Equipment in Explosive Atmospheres
Environmental Benefits
- Durable stainless steel and ABS housing extends product life reducing waste
- Energy-efficient LED light source minimizes power consumption
- Certified compliance with China-RoHS for hazardous substance restrictions
Warranty Information
Standard manufacturer warranty applies; please refer to SICK's official warranty policy.
Available Now
The SICK WTB27X-3P1811 Photoelectric Proximity Sensor is available for immediate purchase, ideal for industrial automation and explosive area sensing applications.
