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Sick

WTB8-P2231

£72.99 (ex. VAT)

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Marvo Stock ID MV-HGM5
HS Code 90318020
SKU WTB8-P2231
Condition Used
Warranty 12 months
Weight (kg) 0.01
Length (mm) 20.00
Width (mm) 11.00
Height (mm) 31.00

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Specification & Description

Specification Description
Part Number WTB8-P2231
Alternative Part Number WTB8P2231
Manufacturer Sick
Product Type Reflection Light Switches
Operating Principle Reflective sensor with background suppression
Dimensions 11 mm x 31 mm x 20 mm
Housing Shape Rectangular
Switching Distance 30 mm to 300 mm
Light Type Visible red light
Light Source LED
Light Spot Size (Distance) Ø 20 mm (at 300 mm)
Wavelength 650 nm
Adjustment Potentiometer, 4 turns
Supply Voltage 10 V DC to 30 V DC
Ripple ± 10 %
Connection Type 4-pin, M8 connector
Output Indicator LED indication: orange (active output), green (stability indication)
Mounting Thread M3
Commodity Code 903180
ETIM Class EC002719
UNSPSC 39121528

The Sick WTB8-P2231 is a high-performance reflection light switch designed to offer reliable and precise object detection in a variety of industrial applications. This compact sensor is part of the W8 product family and is engineered to provide a solution for tasks where space is at a premium without compromising on functionality.

Crafted with a robust housing, the WTB8-P2231 ensures durability and longevity in harsh environments. It features a visible red light for ease of alignment and a background suppression function to prevent false triggers from nearby objects. The sensor's adjustable sensing range, which can be fine-tuned via a potentiometer, allows for flexible installation and precise operation.

The WTB8-P2231 is equipped with a PNP output and offers a selectable light-on/dark-on mode, making it versatile for different operational requirements. The quick response time and high switching frequency of this sensor make it suitable for applications requiring fast and accurate detection.

With an IP67 rating, the WTB8-P2231 is protected against dust and water ingress, making it suitable for use in a wide range of environmental conditions. The sensor also comes with a stainless steel mounting bracket, facilitating easy and secure installation.

This reflection light switch is an ideal choice for automation tasks in packaging, material handling, and assembly lines, where consistent and reliable object detection is crucial for operational efficiency. Its miniature size, combined with its powerful detection capabilities, makes the Sick WTB8-P2231 a valuable component in any automated system.

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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What payment methods do you accept?

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.

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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.

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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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Creating an account is incredibly simple and takes a matter of seconds. You can create a Marvo account at any time by clicking here and following the simple steps on screen. By creating a Marvo account you can store your contact details, delivery addresses, billing addresses and more, meaning that you can enjoy game-changing convenience faster than ever before.

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Frequently Asked Questions

What is the operating principle of this reflection light switch?

The operating principle of the reflection light switch is based on background suppression technology, which allows it to distinguish between a target and its background.

Can the sensing range of the reflection light switch be adjusted?

Yes, the sensing range can be adjusted using a potentiometer, which provides precise control over the detection distance.

What type of light does the reflection light switch use?

The reflection light switch uses visible red light emitted from an LED as its light source.

What are the dimensions of this reflection light switch?

The dimensions of the WTB8-P2231 reflection light switch are 11 mm x 31 mm x 20 mm.

What is the maximum switching distance for this device?

The maximum switching distance for the WTB8-P2231 is between 30 mm and 300 mm, depending on the reflectivity of the target material.

Is there an LED indicator on the reflection light switch?

Yes, there is an orange LED indicator that shows when the switching output is active, and a green LED indicator for stability.

What is the supply voltage range for this reflection light switch?

The supply voltage range for the reflection light switch is 10 V DC to 30 V DC.

What type of connection does the reflection light switch have?

The reflection light switch typically has a 4-pin M8 connector for easy integration into industrial systems.

What materials are recommended for the target object to ensure reliable detection?

For reliable detection, the target object should ideally have a high reflectivity, such as standard white (90% reflectivity), although the device can also detect objects with lower reflectivity levels.

How can I mount the reflection light switch?

The reflection light switch can be mounted using M3 screws, and it is recommended to use the mounting accessories specified by the manufacturer for optimal installation.

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Part conditions explained


We want your buying experience to be as seamless as possible. So, here are all of the product descriptions you will see when browsing Marvo, explained a little further:

New unsealed: The product is in its original packaging, but the packaging has been opened or unsealed. It has never been used and should be in near pristine condition.

New sealed: The product is sealed in its original packaging. It has never been opened or used, ensuring that it's in an untouched state.

New unboxed: The product does not come in its original packaging, but it has never been used and is in great working condition.

Refurbished: The product has been previously used, but it has undergone a thorough refurbishment process to restore it to a like-new or functional condition. Any defects or issues have been addressed, making it suitable for reuse.

Used: The product has been previously owned and has been used. It may show signs of wear and tear but is still functional and operational. The condition may vary depending on the specific item and its usage history.