- Functional principle: Photoelectric retro-reflective sensor
- Functional principle detail: With minimum distance to reflector (dual lens system)
- Dimensions (W x H x D): 60 mm x 105 mm x 105 mm
- Housing design (light emission): Rectangular
- Sensing range max.: 1 m … 55 m 1)
- Sensing range: 1 m … 45 m 1)
- Ultra-long sensing range with visible red LED: Detects objects reliably from 0.1 m up to 30 m using retro-reflective technology and a clear red light beam for easy alignment.
Free Shipping: $50+ U.S. orders | $350+ International orders
12-Month Warranty
Hassle-Free Returns Within 30 days
Over 5,000 parts in stock
- Brand: SICK
Sick 1008839 Photoelectric retro-reflective sensor
Mfr # 1008839
$1,021.93
/ea
Availability: Available to Order|Ships in 30 business days
- Free Shipping on orders over $50
- Hassle-Free 30-Day Returns
- 12-Month Warranty for all products
- Get 10% off—join our email list.
Accepted Payments
- Ultra-long sensing range with visible red LED: Detects objects reliably from 0.1 m up to 30 m using retro-reflective technology and a clear red light beam for easy alignment.
- Rugged NPN output with light-on/dark-on switching: Provides flexible detection logic via an NPN transistor output, configurable for both light-on and dark-on operation.
- Robust environmental protection with terminal-chamber connection: Equipped with a PG13.5, 6-pin terminal housing that ensures secure wiring and stable performance in harsh environments.
- Wide supply voltage range and fast response: Operates from 10 V to 60 V DC with a rapid response time of approximately 1.2 ms for accurate detection of fast-moving objects.
The SICK WL45-N250 (Part No. 1008839) is a high-quality retro-reflective photoelectric sensor engineered to provide consistent and reliable object detection in industrial automation environments. As part of the well-regarded W45 series, this sensor combines long-range detection performance, robust design, and flexible electrical integration, making it suitable for a wide variety of applications in logistics, packaging, production, and material handling.
At the heart of the WL45-N250 is its visible red LED light source, which greatly simplifies installation and alignment. The bright red beam provides a clear visual reference, allowing technicians to position the sensor accurately and efficiently during setup. With a detection range extending up to 30 m, it offers the capability to cover large monitoring zones, such as conveyor lines, automated warehouses, and assembly processes, where long-distance detection is crucial.
This sensor features an NPN transistor output, supporting both light-on and dark-on switching modes. This flexibility ensures easy adaptation to different control system logics. Whether an application requires detection when the beam is interrupted (dark-on) or when the beam is clear (light-on), the WL45-N250 delivers reliable and accurate switching. This versatility makes it an excellent choice for applications ranging from simple presence detection to high-speed counting and sorting operations.
Durability is a central characteristic of the WL45-N250. It uses a PG13.5, 6-pin terminal-chamber connection system, designed to withstand dust, moisture, vibration, and mechanical stress. This rugged housing ensures long-term stability and dependable performance, even in demanding industrial environments where conditions can be harsh.
Another strength of the WL45-N250 is its wide operating voltage range of 10 V to 60 V DC, which provides flexibility in integration with different electrical infrastructures. Additionally, its fast response time of approximately 1.2 ms makes it highly effective in detecting fast-moving objects, a critical requirement in high-speed production and logistics applications. This rapid response ensures uninterrupted workflows and enhances productivity by reducing the risk of missed detections.
Physically, the sensor is both compact and robust, making it easy to install in limited spaces while still withstanding the mechanical challenges of industrial use. The combination of a visible light beam for user-friendly alignment and a rugged body for durability ensures efficient operation with minimal maintenance requirements.
In summary, the SICK WL45-N250 (1008839) is a versatile retro-reflective photoelectric sensor that delivers long-distance detection, fast switching performance, rugged durability, and flexible integration. Its reliable NPN output, wide voltage compatibility, and robust design make it a dependable solution for industries requiring accurate and consistent object detection in dynamic and challenging environments.
| Manufacturer | Sick |
|---|
Related Products
We’re Always Ready to Assist You

Submit A Request
Reach us through our form.
Give Us A Call
Connect with a representative.
Live Chat
Chat live with our support team.


Reviews
There are no reviews yet.