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Specification & Description
The Siemens 3RB3143-4XB0 is a high-performance solid-state overload relay designed to provide reliable motor protection. This advanced relay is part of the SIRIUS series and is engineered to safeguard motors with a current range of 32 to 115 A. It features a robust design suitable for various industrial applications, ensuring optimal performance and longevity.
The 3RB3143-4XB0 overload relay is equipped with both manual and automatic reset functions, offering flexibility in operation. It supports contactor mounting, making it easy to integrate into existing systems. The relay includes screw-type terminals for secure and straightforward connections in both the main and auxiliary circuits.
This relay is designed to operate efficiently under a wide range of environmental conditions, with an operational temperature range of -25 to +60 °C and a storage temperature range of -40 to +80 °C. It also boasts a high degree of protection with an IP20 rating on the front, ensuring durability and resistance to dust and other contaminants.
The Siemens 3RB3143-4XB0 overload relay features adjustable trip classes (5E, 10E, 20E, and 30E), allowing for precise customization to meet specific application requirements. It also includes integrated ground fault detection, enhancing the safety and reliability of motor operations.
With its compact dimensions (106 mm height, 70 mm width, and 124 mm depth), the 3RB3143-4XB0 is designed to fit seamlessly into various control panels and enclosures. Its high surge voltage resistance of 8 kV and robust construction make it a dependable choice for protecting motors in demanding industrial environments.
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.
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.
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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 is the primary function of this part?
The primary function of this part is to act as an overload relay, providing protection for motors by preventing overheating and potential damage.
What is the adjustable current range for this overload relay?
The adjustable current range for this overload relay is 32 to 115 A.
What type of mounting does this overload relay support?
This overload relay supports contactor mounting.
What are the dimensions of this overload relay?
The dimensions of this overload relay are 106 mm in height, 70 mm in width, and 124 mm in depth.
What is the rated operating voltage for this overload relay?
The rated operating voltage for this overload relay is up to 1,000 V.
What type of terminals does this overload relay use for the main and auxiliary circuits?
This overload relay uses screw-type terminals for both the main and auxiliary circuits.
What is the protection class of this overload relay?
The protection class of this overload relay is IP20 on the front, according to IEC 60529.
Can this overload relay be used in hazardous locations?
Yes, this overload relay is suitable for use in hazardous locations and complies with ATEX directive 2014/34/EU.
What is the maximum installation altitude for this overload relay?
The maximum installation altitude for this overload relay is 2,000 meters above sea level.
What is the ambient temperature range for operating this overload relay?
The ambient temperature range for operating this overload relay is -25 to +60 °C.
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.
