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Check similar products or call us on +44 20 4570 3439 for assistance
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Specification & Description
The Siemens 3RT2028-2BB40 is a robust and efficient power contactor, designed to handle significant electrical loads with precision and reliability. This three-pole contactor is rated for AC-3 38 A and 18.5 kW at 400 V AC, making it an excellent choice for a variety of industrial applications. It features 1 normally open (NO) and 1 normally closed (NC) auxiliary contact, and operates with a control voltage of 24 V DC.
Crafted for durability and performance, the 3RT2028-2BB40 boasts spring-type terminals that facilitate secure and straightforward connections. Its compact size, classified as size S0, ensures it fits seamlessly into various configurations, optimising space within electrical assemblies.
This contactor is particularly suited for tasks involving starting or stopping motors and managing electrical circuits in manufacturing plants, HVAC systems, and other industrial settings. Its design conforms to high standards, offering reliable insulation with a rated value of 690 V and surge voltage resistance up to 6 kV.
With its straightforward mounting options, including screw and snap-on mounting compatible with 35 mm standard mounting rails, the Siemens 3RT2028-2BB40 provides flexibility and ease of installation. This makes it a preferred choice for professionals looking to enhance operational efficiency and reliability in their electrical systems.
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.
Read more...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.
Read more...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.
Read more...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.
Read more...How do I create an account?
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.
Read more...Peace of mind with every purchase
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Our service to you
Lightning-Fast Express Shipping: Receive your order in record time with our express shipping options, ensuring you minimize downtime and keep your projects on track.
No-Risk Returns, Guaranteed: Return your parts anytime for a full refund. Our hassle-free return policy ensures you’re never stuck with something you don’t need.
Clear Pricing with No Hidden Fees: What you see is what you pay, transparent pricing with no extra costs, ever. Rest assured, all taxes and fees are already included in your final price.
Rock-Solid Reliability at a Fraction of the Cost: Get pre-owned electronic parts that are fully tested for peak performance, saving you money without compromising on quality, backed by a comprehensive warranty.
Frequently Asked Questions
What are the main features of this Siemens Power Contactor?
The Siemens Power Contactor is a 3-pole device designed for AC-3 applications, capable of handling 38 A and 18.5 kW at 400 V. It features 1 normally open and 1 normally closed auxiliary contact and utilises spring-type terminals for secure connections.
Can this contactor be used with different voltage levels?
Yes, the contactor is rated for insulation up to 690 V and can operate effectively across various voltage levels, making it versatile for different electrical setups.
What size is the Siemens Power Contactor?
This contactor is of size S0, which is a standard size within the Siemens SIRIUS product range, ensuring compatibility with various industrial setups.
What type of terminals does this contactor have?
The contactor is equipped with spring-type terminals, which are designed for quick and reliable connections without the need for additional tools.
What is the protection class of this contactor?
The Siemens Power Contactor has a protection class of IP20, indicating that it is protected against solid objects larger than 12.5 mm but not against water.
How does the contactor handle surge voltages?
It is designed to withstand surge voltages up to 6 kV for both the main and auxiliary circuits, providing robust protection against voltage spikes.
What are the operating characteristics of the contactor in terms of power?
The contactor can control motors up to 18.5 kW at 400 V in AC-3 usage, and it supports various other applications with different power ratings across multiple voltage levels.
Is there any specific environmental consideration for using this contactor?
While the contactor is robust, it is rated for operation in environments that do not expose it to water or excessive dust, as indicated by its IP20 rating.
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.
