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Photoelectric Proximity Sensor WT34-B420 | Background Suppression | IP67 Rated | Infrared LED | by SICK
The Photoelectric Proximity Sensor WT34-B420 is designed for industrial automation, featuring a sensing range of 100 mm to 2,500 mm with background suppression. Ideal for object detection in material handling and packaging machinery, this sensor offers selectable switching modes and a high switching frequency of 1,000 Hz, ensuring reliable performance in demanding environments.
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Alternatively Known As: Photoelectric sensor, Proximity sensor, Background suppression sensor, Infrared proximity switch, Industrial photo sensor
Technical Specifications
- Functional principle: Photoelectric proximity sensor with background suppression
- Sensing range: 100 mm to 2,500 mm
- Light source: Infrared LED
- Light spot size at 2,500 mm: Ø 80 mm
- Supply voltage: 10 V DC to 30 V DC
- Current consumption: 50 mA
- Switching output: NPN, PNP
- Switching mode: Light switching, Dark switching selectable
- Output current max: ≤ 100 mA
- Response time: ≤ 500 µs
- Switching frequency: 1,000 Hz
- Time functions: Switch-on delay and off delay adjustable from 0.5 s to 10 s
- Connection type: Male M12, 4-pin connector
- Protection class: II
- Housing material: Plastic, ABS
- Enclosure rating: IP67
- Operating temperature: -40 °C to +60 °C
- Storage temperature: -40 °C to +75 °C
- Dimensions (H x L x W): 92mm x 70mm x 27mm
- Weight: 0.14 kg
Key Features
- Photoelectric proximity sensor with background suppression
- Rectangular plastic ABS housing with IP67 enclosure rating
- Sensing range from 100 mm to 2,500 mm using infrared LED light
- Selectable switching modes: light switching and dark switching
- Switching output options: NPN and PNP
- Adjustable potentiometer for sensitivity and delay time (0.5 s to 10 s)
- High switching frequency of 1,000 Hz and fast response time ≤ 500 µs
- Male M12 4-pin connector for easy connection
- Wide ambient operating temperature range from -40 °C to +60 °C
- Circuit protection and safety certifications including cULus and photobiological safety
Professional Installation Requirements
- Installation should be performed by qualified personnel familiar with electrical and sensor systems to ensure proper setup and safety compliance.
Applications
- Industrial automation for object detection
- Material handling and conveyor systems
- Packaging machinery
- Safety and monitoring in manufacturing processes
Standards & Compliance
- Complies with AS/NZS 60950 – Safety of IT and Communication Equipment
Environmental Benefits
- Energy-efficient LED light source reduces power consumption
- Durable IP67 rated housing ensures long service life and reduces waste
- Complies with China RoHS for hazardous substance restrictions
Warranty Information
Standard manufacturer warranty applies; please refer to SICK for specific warranty terms.
Available Now
The SICK WT34-B420 Photoelectric Proximity Sensor is available for immediate purchase, ideal for industrial automation and object detection applications.
