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SAS4 Light Curtain Sensor | 8 Cross Beams | 25 mm Minimum Detection | Infrared Light Source | by SICK
The SAS4 Light Curtain Sensor is designed for industrial automation, featuring 8 cross beams and a minimum detectable object size of 25 mm. With a robust PMMA housing and infrared light source, it ensures reliable object detection and safety in machine guarding and perimeter protection applications. Ideal for professionals, this sensor operates efficiently within -25 °C to +55 °C, making it perfect for various environments.
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Technical Specifications
- Sensor principle: Sender/receiver
- Minimum detectable object: 25 mm cross beam
- Number of beams: 8
- Detection height: 280 mm
- Light source: Infrared light, 950 nm wavelength
- Supply voltage: DC 24 V ± 20%
- Power consumption receiver: ≤ 70 mA
- Output current max: 100 mA
- Switching output: NPN
- Initialization time: 1 second
- Inputs: Teach-in input (receiver), Test input (sender)
- Connection type: Cable with M8 male connector, 4-pin
- Housing material: PMMA
- Indication: LED
- Synchronization: Optical
- Circuit protection: Reverse polarity, short-circuit, interference pulse suppression
- Protection class: III
- Pulse frequency: 500 kHz
- Maximum range: 4 m
- Operating range: 3 m
- Response time: 57 ms
- Shock resistance: 10 g / 16 ms
- Vibration resistance: 5 g, 10 Hz to 55 Hz
- EMC: EN 60947-5-2
- Ambient light immunity: Direct 100,000 lx, Indirect 150,000 lx
- Operating temperature: -25 °C to +55 °C
- Storage temperature: -25 °C to +70 °C
- Dimensions (H x L x W): 352mm x 8mm x 25mm
- Weight: 0.1 kg
Key Features
- Sender/receiver sensor principle with 8 cross beams
- Minimum detectable object size of 25 mm
- Slim optical light exit design
- Detection height of 280 mm
- NPN switching output with 100 mA max output current
- Automatic teach and muting functions inactive
- Alignment aid included for easy setup
- Infrared light source with 950 nm wavelength
- Optical synchronization between sender and receiver
- Robust housing made of PMMA
- LED indication for status monitoring
- Protection class III with reverse polarity and short-circuit protection
- Operating temperature range from -25 °C to +55 °C
- Shock resistance 10 g and vibration resistance 5 g
Professional Installation Requirements
- Installation should be performed by qualified personnel familiar with safety sensor systems to ensure proper alignment and compliance with safety standards.
Applications
- Industrial automation for object detection
- Safety light curtain applications
- Machine guarding and perimeter protection
- Material handling and packaging systems
Standards & Compliance
- Complies with AS/NZS 4801 – Occupational Health & Safety Management Systems
Environmental Benefits
- Low power consumption with ≤ 70 mA receiver power usage
- Durable PMMA housing reduces need for frequent replacements
- Robust design minimizes electronic waste through extended product life
Warranty Information
Standard manufacturer warranty applies; please refer to SICK's official warranty policy for details.
Available Now
The SICK SAS4-S028N3PS1W0B sensor is available for immediate purchase, ideal for industrial safety and automation applications.
