Image shown may not reflect the final product
Check similar products or call us on +44 20 4570 3439 for assistance
4 ready to ship
Image shown may not reflect the final product
Check similar products or call us on +44 20 4570 3439 for assistance
Express delivery
Lightning fast delivery if ordered within 00:00:00
Hassle-free returns
No hidden fees or duties
Swift dispatch and delivery
Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RV2021-4NA10 |
| Alternative Part Number | 3RV20214NA10 |
| Manufacturer | Siemens |
| Type | Circuit Breaker |
| Poles | 3 Pole |
| Rated Current | 28 A |
| Rated Voltage | 690 V ac |
| Dimensions | 45 x 96.9 x 97 mm |
| Mounting Type | Screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 60715 |
| Terminal Type | Screw-type terminals |
| Electrical Endurance | 100,000 switching cycles typical |
| Mechanical Service Life | 100,000 switching cycles typical |
| Operating Temperature Range | -20...+60 °C during operation |
| Storage Temperature Range | -50...+80 °C |
| Short-Circuit Protection | Yes, with magnetic trip |
| Protection Class | IP20 |
| Installation Altitude | Maximum 2,000 m above sea level |
| Relative Humidity | 10...95% during operation |
| Adjustable Pickup Value Current | 23...28 A for the current-dependent overload release |
| Operating Power at AC-3 | - 7,500 W at 230 V - 15,000 W at 400 V - 18,500 W at 500 V - 22,000 W at 690 V |
| Shock Resistance | 25g / 11 ms according to IEC 60068-2-27 |
| Type of Protection | Increased safety |
| Certificate of Suitability | ATEX |
The Siemens 3RV2021-4NA10 is a robust circuit breaker designed for motor protection, ensuring the safe and efficient operation of machinery in various industrial settings. This three-pole device is engineered to provide class 10 protection, with an adjustable release range of 23 to 28 A, and a non-delayed short-circuit release of 364 A. Its compact dimensions, 45 x 96.9 x 97 mm, allow for convenient installation in space-constrained environments.
Crafted for durability, the 3RV2021-4NA10 boasts a mechanical service life of 100,000 operating cycles, making it a reliable choice for long-term use. The circuit breaker operates effectively within a voltage rating of up to 690 V ac and is capable of handling motor power up to 20 hp at 460/480 V, which translates to a robust performance for a wide range of motor applications.
Installation is made straightforward with screw and snap-on mounting options onto a 35 mm standard mounting rail according to DIN EN 60715, allowing for flexibility in various mounting positions. The device also features screw-type terminals for secure and reliable electrical connections.
The Siemens 3RV2021-4NA10 is designed with safety in mind, offering finger-safe protection and an IP20 rating on the front, ensuring protection against solid objects and accidental contact. Its operational reliability is further enhanced by its ability to function optimally within a broad temperature range and at installation altitudes of up to 2000 metres above sea level.
This circuit breaker is an essential component for industrial professionals seeking a dependable solution for motor protection that combines performance, safety, and ease of use.
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
Dan
‘The ordering was fast and efficient, and everything arrived just as they said it would.’
Julien
‘Perfect quick delivery, good service.’
Andreas Boehm
‘Excellent service. The right gear and the right price,well packed and delivered on time.’
Milan Kosík
‘Large selection of spare parts, fast delivery.’
Irene
‘Fast delivery and prompt action.’
Advance Lifts
‘Great customer service , we needed some assistance quickly and received it.’
Andreas Boehm
‘Excellent service. The right gear and the right price,well packed and delivered on time.’
Kayden
‘Services is great.’
Ms. Mia
‘Quick response, good item, delivery on schedule.’
Similar Products
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 type of circuit breaker is this?
This is a 3-pole circuit breaker designed for motor protection, belonging to the SIRIUS 3RV2 series. It features a Class 10 overload release and is suitable for use in controlling and protecting motors.
Can this circuit breaker be used in hazardous locations?
Yes, the circuit breaker is designed with safety in mind and has approvals for use in hazardous locations, ensuring compliance with industry safety standards.
What is the rated operating voltage of this circuit breaker?
The rated operating voltage of the circuit breaker is 690 V ac, making it suitable for a wide range of industrial applications.
What is the current adjustment range for the overload release?
The adjustable pick-up value current of the current-dependent overload release ranges from 23 to 28 A, allowing for precise protection settings based on the motor's requirements.
What are the dimensions of this circuit breaker?
The dimensions of the circuit breaker are 45 x 96.9 x 97 mm, which is a compact size that allows for efficient use of space in electrical panels.
Is there a need for additional spacing when mounting this circuit breaker?
When mounting the circuit breaker, it is recommended to maintain a spacing of 50 mm upwards and downwards, and 30 mm at the side for live parts, to ensure proper heat dissipation and safety.
What type of terminal connections does this circuit breaker have?
The circuit breaker is equipped with screw-type terminals for the main current circuit, providing a secure and reliable connection.
Does this circuit breaker have a short-circuit protection function?
Yes, it includes a magnetic short-circuit trip function to protect against short-circuit conditions, enhancing the safety of the electrical system it is integrated into.
What is the mechanical service life of the circuit breaker?
The mechanical service life of the main contacts is typically 100,000 switching cycles, indicating a durable and long-lasting design.
Can auxiliary contacts be added to this circuit breaker?
While the circuit breaker does not come with auxiliary contacts, it does allow for the addition of auxiliary switches, providing flexibility for various control and signalling functions.
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.
