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Safety Light Curtain Sensor L41S-11MA1A | LED Red Light | 7m Scanning Range | IP67 Rated | by SICK
The Safety Light Curtain Sensor L41S-11MA1A features a powerful LED light source emitting visible red light at 660 nm, with a scanning range of 7 meters and a detection capability of 30 mm. Designed for industrial safety applications, this sensor ensures personnel protection in hazardous areas, boasting a fast response time of 0.2 ms and an IP67 rated enclosure for dust and water resistance.
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Alternatively Known As: Safety light curtain sensor, industrial safety sensor, LED safety sensor, SICK L41S sensor
Technical Specifications
- Light source: LED
- Type of light: Visible red light (660 nm)
- Scanning range: 7 m
- Number of beams: 1
- Detection capability: 30 mm
- Optical axis: Radial
- Response time: 0.2 ms + test device response time
- Safety type: Type 4 (IEC 61496-1)
- Safety integrity level: SIL 3 (IEC 61508)
- Category: Category 4 (EN ISO 13849)
- Performance level: PL e (EN ISO 13849)
- PFHD: 8.1 x 10^-10 (EN ISO 13849)
- Mission time: 20 years (EN ISO 13849)
- Connection type: Male connector M12, 4-pin, straight
- Display elements: LED
- Protection class: III (IEC 61140)
- Power consumption: 20 mA
- Design: Cylindrical
- Housing material: Nickel-plated brass
- Front screen material: Glass
- Weight: 67 g
- Enclosure rating: IP67 (EN 60529)
- Operating temperature: -40°C to +55°C
- Storage temperature: -40°C to +75°C
- Air humidity: 15% to 95%, non-condensing
- Vibration resistance: 5 g, 10 Hz to 55 Hz (IEC 60068-2-6)
- Shock resistance: 10 g, 16 ms (IEC 60068-2-27)
- Aperture angle/receiving angle: ± 2.5° / ± 2.5°
- Dimensions (H x L x W): 18mm x 108mm x 18mm
- Weight: 0.1 kg
Key Features
- LED light source with visible red light at 660 nm wavelength
- Scanning range of 7 meters with 1 beam
- Detection capability of 30 mm
- Radial optical axis
- Fast response time of 0.2 ms plus test device response time
- Cylindrical design with nickel-plated brass housing and glass front screen
- IP67 rated enclosure for dust and water protection
- Wide ambient operating temperature range from -40°C to +55°C
- High vibration and shock resistance
Professional Installation Requirements
- Installation should be performed by qualified personnel familiar with safety sensor systems and compliant with relevant safety standards.
Applications
- Industrial safety applications for machinery and automation
- Protection of personnel in hazardous areas
- Use in manufacturing and processing plants
Standards & Compliance
- AS/NZS 4801 – Occupational Health & Safety Management Systems
Environmental Benefits
- Low power consumption of 20 mA reduces energy usage
- Durable materials and long mission time of 20 years reduce waste and replacement frequency
Warranty Information
Standard manufacturer warranty applies; please refer to SICK for specific warranty terms.
Available Now
The SICK L41S-11MA1A Safety Light Curtain Sensor is available for immediate purchase, ideal for industrial safety and automation applications.
