Many procurement teams check BW20-08 against Autonics Proximity Sensor, Autonics Digital Counter and Autonics Bwp20 08P before signing purchase orders, verifying quality, compliance, and after-sales support availability.
Autonics BW20-08 Area Sensor
The Autonics BW20-08 Area Sensor offers Through-beam type(direct beam) sensing, 0.1 to 7m sensing distance, Infrared LED(850nm modulated) light source, 12-24VDC power supply , NPN open collector output. Manufactured by Autonics under the Autonics Area Sensor category, this model belongs to the Autonics BW Series.

| Brand | Autonics |
| Product Type | Area Sensor |
| Model Number | BW20-08 |
Autonics BW20-08 Area Sensor β Technical Specifications
| Specification | Value |
|---|---|
| Sensing type | Through-beam type(direct beam) |
| Sensing distance | 0.1 to 7m |
| Light source | Infrared LED(850nm modulated) |
| Optical axis pitch | 20mm |
| Number of optical axes | 8 |
| Power supply | 12-24VDC |
| Control output | NPN open collector |
| Operation mode | Light ON |
| Environment_Ambient illumination | Ambient light: Max. 10,000lx(receiver illumination) |
| Environment_Ambient temperature | -10 to 55β, storage: -20 to 60β |
| Connection type | Cable connector type(Γ5, 300mm, M12) |
| Protection structure | IP65 |
| Environment_Ambient humidity | 35 to 85% RH, storage: 35 to 85% RH |
| Min. sensing target | Opaque material of min. Γ30mm |
| Response time | Max. 10ms |
| Material | β’ Case: Aluminum, β’ Front cover, sensing part: Acrylic |
| Cable specification | Γ5mm, 4-wire, 300mm, M12 connector |
| Sensing height/Total length | 140/160mm |
| Accessories | Bracket A: 4, Bracket B: 4, Fixing bolt: 8 |
| Weight | BW20-48: Approx. 2.1kg(approx. 1.4kg) |
The Autonics BW20-08 operates with a through-beam sensing system featuring 8 optical axes and a fine 20mm optical pitch, allowing detection across a sensing height of 140mm and a range of 0.1 to 7 meters. Its infrared LED (850nm) light source ensures accurate detection even under ambient light up to 10,000 lux, while the NPN open collector output in Light ON mode integrates seamlessly with PLCs and safety controls.
Built for robust industrial use, the sensor is housed in a strong aluminum case with an IP65 protection rating, capable of operating between -10Β°C to 55Β°C and withstanding 35β85% RH ambient humidity. The 300mm M12 connector cable simplifies installation, and the 10ms response time supports high-speed production environments, ensuring rapid and consistent feedback for automated systems.
The BW20-08 detects opaque materials as small as Γ30mm, making it suitable for narrow conveyor lines, PCB assembly stations, and compact inspection setups. Its compact design and durable construction make it a trusted choice for OEM machine builders and process automation engineers, providing precise, long-term performance with minimal maintenance. Find more Autonics sensors and controllers for complete automation solutions.
Industrial engineers benefit from its fast response, high beam density, and IP65-rated durability, making it ideal for sensitive or miniature objects. Its compact footprint allows integration in confined setups, enabling OEMs and automation integrators to maintain accuracy and repeatability even in complex layouts. The Autonics BW20-08 ensures consistent detection, reduced errors, and optimized production efficiency across diverse industrial environments.




