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Safety Light Curtain Sensor SLG25S-040FAR21D41 | IP65 & IP67 Rated | Infrared LED | 16 Beams | by SICK
The Safety Light Curtain Sensor SLG25S-040FAR21D41 is designed for industrial safety applications, featuring a robust design with IP65 and IP67 ratings. With a sensing range of 440 mm to 4900 mm and 16 infrared LED beams, it ensures reliable object detection and presence sensing in automated production lines. Ideal for machine safeguarding, this sensor offers high immunity to ambient light and diagnostic functions for enhanced safety.
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Technical Specifications
- Supply voltage: DC 18 V to 30 V
- Power consumption: Sender ≤ 36.2 mA, Receiver ≤ 48.6 mA
- Digital outputs: 1 push-pull PNP/NPN with max 100 mA output current
- Digital input: 1 with signal voltage HIGH >15 V, LOW <5 V
- Response time: Max 4.2 ms (parallel beam), 8.4 ms (cross beam)
- Scan time: 1.4 ms (parallel beam), 2.8 ms (cross beam)
- Beam function: 9 x cross beam factory setting
- Light source: Infrared LED, wavelength 850 nm
- Protection class: III
- Connection: Cable with M12 male connector, 4-pin, 150 mm PVC cable
- Enclosure rating: IP65 and IP67
- Operating temperature: -25 °C to +55 °C
- Storage temperature: -25 °C to +70 °C
- EMC: EN 61000-6-2, EN 61000-6-4
- LED risk group: Free group according to IEC 62471
- Dimensions (H x L x W): 399mm x 24mm x 12mm
- Weight: 0.96 kg
Key Features
- Sender/receiver functional principle with 16 infrared LED beams
- Sensing range from 440 mm up to 4900 mm depending on beam configuration
- Detection height of 400 mm with 25 mm beam separation
- Minimum detectable object size as small as 11.5 mm with 9 cross beams
- Auto teach-in and IO-Link interface for easy configuration and smart task functions
- Robust aluminum and plastic housing with PMMA front screen
- IP65 and IP67 rated enclosure for harsh environments
- High immunity to ambient light up to 50,000 lx
- Shock resistance of 10 g and vibration resistance compliant with IEC standards
- Diagnostic functions including hardware error, temperature warning, and communication status
Professional Installation Requirements
- Installation should be performed by qualified personnel familiar with safety sensor systems and compliant with relevant safety standards.
Applications
- Industrial safety light curtain for machine safeguarding
- Object detection and presence sensing in automated production lines
- Safety monitoring in manufacturing and processing plants
Standards & Compliance
- AS/NZS 4801 – Occupational Health & Safety Management Systems
Environmental Benefits
- Long LED service life of 100,000 hours reduces waste and replacement frequency
- Energy-efficient LED light source minimizes power consumption
- Robust design reduces environmental impact through durability and reduced maintenance
Warranty Information
Standard manufacturer warranty applies; please refer to SICK's official warranty policy for details.
Available Now
The SICK SLG25S-040FAR21D41 Safety Light Curtain Sensor is available for immediate purchase, ideal for industrial safety and automation applications.
