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Marvo Part ID: MV-AX5G

£86.30 (ex. VAT)


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Specification Description
Part Number WL250-2P2431
Alternative Part Number WL2502P2431
Manufacturer Sick
Series WL250
Sensor Type Photoelectric Retro-Reflective Sensor
Shape Rectangular
Output Type PNP
Light Source LED
Supply Voltage 10 V DC to 30 V DC
Current Consumption 20 mA
Switching Output PNP
Switching Type Light/Dark switching
Selectable Switching Mode Selectable via L/D control wire
Output Current Max ≤ 100 mA
Response Time ≤ 0.5 ms
Switching Frequency 1,000 Hz
Connection Type Connector M12, 4-pin
Protection Class III
Weight 40 g
Polarisation Filter Yes
Housing Material Plastic, ABS
Optics Material Plastic, PMMA
IP Rating IP67
Operating Temperature Range –25 °C to +55 °C
Storage Temperature Range –40 °C to +70 °C
Included Accessories Reflector P250, Mounting bracket BEF-W250
Electromagnetic Compatibility EN 60947-5-2
MTTFD 1,832 years
DCavg 0%
Commodity Code 853650

Commonly Asked Questions

Is my order covered by a warranty?

Marvo provides a full 12-month warranty on all products, whatever the condition. For your peace of mind, all parts are ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. If you are unhappy with the part(s) you received and would like to request a return, you can do so by completing our quick and easy online form. Once we have received your Returns Request, a member of the team will be in touch to discuss this further with you. You can read more about our warranty policy here.


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We accept card payments from all major credit, debit and Mastercard providers including Visa, American Express, Western Union, Paypal and bank transfers. Before you complete an order you will be prompted to input your payment details, at which point you can enter the relevant card information you wish to use for your transaction. If you are experiencing issues with your payment method then you can contact our team via email here. From there, you will be directed to the most relevant resource or person to help you complete your payment, get your order processed and ensure that your parts are on the way to your delivery address.


What countries can Marvo deliver to?

Marvo currently delivers to the United Kingdom (excluding Northern Ireland), the United States of America and Germany. If you cannot find your delivery address at checkout, this is most likely because Marvo does not currently deliver to this location. There are ongoing efforts to make Marvo accessible to a global market, keep your eyes peeled as our service expands to new locations. All orders are sold with a streamlined delivery process ensuring that you get your part, fast. Marvo is designed to offer you quick, easy and reliable access to critical components and uses well established global shipping services, including but not limited to DHL, UPS and FedEx.


Is Marvo a credible parts supplier?

Marvo is a highly credible supplier of industrial automation parts and components with dedicated hubs around the world offering industry-leading products and services. Marvo is committed to providing a quick, easy and reliable place to source your automation and control components. All purchases come as standard with a comprehensive 12-month return to base warranty meaning that, in just a few clicks, you can source critical parts more seamlessly than ever before. Click here to read an article on how Marvo is redefining convenience for automation and manufacturing professionals.


Have steps been taken to ensure quality control?

Marvo takes pride in product quality and has put several measures in place to assure high levels of quality standards. For your peace of mind, all parts have been ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. Redefine convenience and secure priority delivery on all parts along with a comprehensive 12-month warranty. This is the smart new way to buy automation and control components.


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WL250-2P2431 Product Description

The Sick WL250-2P2431 is a high-performance photoelectric retro-reflective sensor designed to offer reliable detection and precise positioning in a variety of industrial applications. This sensor, part of the esteemed WL250 series, is engineered with a rectangular shape and features a PNP output type, ensuring compatibility with a wide range of control systems.

Crafted with a robust ABS housing and PMMA optics, the WL250-2P2431 is built to withstand the rigours of harsh industrial environments while maintaining an IP67 rating for dust and water resistance. Its use of visible red LED light allows for easy alignment and troubleshooting, and the sensor is capable of detecting objects within a range of up to 15 meters when used with a suitable reflector.

The sensor's quick response time of less than 0.5 milliseconds and a high switching frequency of 1000 Hz make it an ideal choice for applications requiring fast and accurate object detection. Additionally, the WL250-2P2431 comes equipped with a potentiometer for sensitivity adjustments, ensuring optimal performance across various conditions.

With its straightforward M12, 4-pin connector setup, the WL250-2P2431 offers a user-friendly installation process. The sensor also includes built-in protection circuits to prevent damage from electrical interference, ensuring a long service life and consistent operation.

The WL250-2P2431 is a versatile solution for a broad spectrum of automation tasks, including packaging, material handling, and assembly line control, where precision and reliability are paramount. Its compact design, combined with its powerful detection capabilities, makes it a valuable component in any modern industrial setting.

Frequently Asked Questions

What is the function of this photoelectric sensor?

The WL250-2P2431 is a retro-reflective sensor designed for object detection. It emits a light beam towards a reflector, which then bounces back to the sensor. The sensor detects the presence or absence of objects interrupting this light beam.

What type of output does this sensor have?

This sensor features a PNP output type, which means it sources current to the output when an object is detected.

Can this sensor be used in outdoor applications?

While the WL250-2P2431 has an IP67 protection rating, making it suitable for harsh environments, it's always best to review the specific conditions and requirements of the outdoor application to ensure compatibility.

What are the power requirements for this sensor?

The sensor requires a supply voltage of 10 V DC to 30 V DC, with a current consumption of approximately 20 mA.

What materials are used in the construction of this sensor?

The housing of the sensor is made of ABS plastic, and the optical surface is made of PMMA plastic, providing durability and resistance to certain environmental factors.

How can I adjust the sensitivity of this sensor?

The sensitivity of the WL250-2P2431 can be adjusted using a potentiometer, allowing for fine-tuning to suit the detection requirements of your application.

What is the maximum switching frequency of this sensor?

The sensor has a maximum switching frequency of 1000 Hz, which refers to the speed at which it can repeatedly detect objects.

What type of connection does this sensor use?

The sensor uses an M12, 4-pin connector for its electrical connection, providing a standardised and secure connection.

Does this sensor come with any accessories?

Yes, the sensor typically comes with a reflector and mounting bracket included, which are essential for installation and operation.

What is the response time of this sensor?

The WL250-2P2431 has a response time of less than or equal to 0.5 ms, allowing for quick detection of objects.