Many procurement teams check BW40-12 against Autonics Proximity Sensor, Autonics Digital Counter and Autonics Bwp20 08P before signing purchase orders, verifying quality, compliance, and after-sales support availability.
Autonics BW40-12 Area Sensor
The Autonics BW40-12 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 | BW40-12 |
Autonics BW40-12 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 | 40mm |
| Number of optical axes | 12 |
| 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. Γ50mm |
| 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 | 440/480mm |
| Accessories | Bracket A: 4, Bracket B: 4, Fixing bolt: 8 |
| Weight | BW40-24: Approx. 2.1kg(approx. 1.4kg) |
The Autonics BW40-12 Area Sensor is part of the trusted General Purpose Area Sensors series, engineered for accurate detection across 0.1 to 7 meters using infrared LED technology. Designed with a 40mm optical axis pitch and 12 beams, it ensures precise monitoring of opaque objects in demanding environments.
Built with IP65-rated protection, the BW40-12 AREA SENSOR withstands dust and moisture, making it suitable for conveyors, robotic systems, and packaging lines. Its fast 10ms response time allows efficient high-speed operation, while the 12β24VDC power supply and NPN open collector output provide easy integration into existing control systems. Industrial buyers value this BW40-12 infrared area sensor for its reliability, ease of installation, and long-term durability.
Applications of the BW40-12 multi-beam sensor extend to CNC machines, assembly automation, and material handling, where consistent detection accuracy improves workflow efficiency. With its compact design, stable performance, and strong build, the BW40-12 light curtain type area sensor from Autonics is a dependable solution recommended by wholesalers, dealers, and distributors.







