- Functional principle: Photoelectric retro-reflective sensor
- Functional principle detail: With minimum distance to reflector (dual lens system)
- Dimensions (W x H x D): 10 mm x 28 mm x 17.5 mm
- Housing design (light emission): Rectangular
- Sensing range max.: 0.01 m … 0.7 m 1)
- Sensing range: 0.01 m … 0.6 m 1)
- Compact laser measurement sensor with background suppression: Detects objects reliably without interference from surrounding surfaces.
Free Shipping: $50+ U.S. orders | $350+ International orders
12-Month Warranty
Hassle-Free Returns Within 30 days
Over 100,000 parts in stock
- Brand: Sick
Sick 6020688 Photoelectric retro-reflective sensor
Mfr # 6020688
$257.08
/ea
Availability: Available to Order|Typically ships within 7 to 10 business days. Lead time may vary based on supplier availability.
- Free shipping on U.S. orders over $50 and international orders over $350.
- Hassle-Free 30-Day Returns.
- 12-Month Warranty for all products.
- Get 10% off—join our email list.
Accepted Payments
- Compact laser measurement sensor with background suppression: Detects objects reliably without interference from surrounding surfaces.
- Robust industrial design: Encased in a durable housing resistant to dust, water, and mechanical stress for extended operational life.
- Visible red LED alignment indicator: Facilitates quick and precise installation by showing exact sensor positioning.
- Fast response time: Enables detection of rapidly moving objects, supporting high-speed production and conveyor processes.
The Sick 6020688 WL150-P420 is a high-performance photoelectric sensor engineered to meet the demanding requirements of modern industrial automation. Combining long-range sensing capabilities with exceptional precision, this sensor is ideal for applications such as material handling, packaging lines, conveyor monitoring, and robotics, where accurate object detection is crucial for efficiency and safety.
Equipped with high-precision photoelectric technology, the WL150-P420 delivers consistent and reliable detection across a wide range of object sizes, shapes, and surface types. Its long sensing distance ensures that even large industrial setups can maintain seamless automation without compromise. This precision reduces errors and downtime, contributing to smoother production cycles.
The sensor features a robust industrial design, housed in a sturdy enclosure that withstands harsh environments, including exposure to dust, moisture, and physical impacts. This rugged construction guarantees extended durability and operational reliability, making the WL150-P420 suitable for challenging factory floors and outdoor installations where durability is a priority.
Installation and alignment are simplified thanks to the integrated visible red LED, which provides a clear indication of the sensing zone. This feature allows technicians to position and adjust the sensor accurately in minimal time, ensuring optimal detection performance. Quick setup reduces maintenance interruptions and supports faster commissioning of automated systems.
With its fast response time, the WL150-P420 can detect even fast-moving objects reliably, making it ideal for high-speed conveyor systems, robotic arms, and other rapid automation processes. The sensor’s prompt feedback ensures precise coordination with control systems, minimizing operational errors and enhancing overall production efficiency.
Product Specifications
| Manufacturer | Sick |
|---|
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.