Image shown may not reflect the final product
Check similar products or call us on +44 20 4570 3439 for assistance
176 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 | 3RV2021-4AA20 |
| Alternative Part Number | 3RV20214AA20 |
| Manufacturer | Siemens |
| Type | Circuit Breaker |
| Rated Current | 16 A |
| Rated Voltage | 690 V ac |
| Mounting Type | DIN Rail Mount |
| Short Circuit Breaking Capacity | 2 kA |
| Number of Poles | 3 Poles |
| Terminal Type | Spring-loaded terminals |
| Electrical Endurance | 100,000 switching cycles typical |
| Mechanical Service Life | 100,000 switching cycles typical |
| Ambient Operating Temperature Range | -20...+60 °C |
| Installation Altitude | Up to 2,000 m above sea level |
| Relative Humidity | 10...95 % during operation |
| Protection Type | Increased safety, finger-safe |
| Certificate of Suitability | ATEX |
| Compliance | CE, UL, CSA |
| Product Approvals | For use in hazardous locations |
| Tripping Characteristics | Adjustable pick-up value current of the current-dependent overload release 10...16 A |
The Siemens 3RV2021-4AA20 is a robust circuit breaker designed for industrial applications requiring reliable protection against overloads and short circuits. This three-pole device is engineered to handle a maximum operating voltage of 690 V ac, making it suitable for a wide range of electrical systems. With a 16 A current rating, it ensures safe operation of motors and other electrical equipment by interrupting power in the event of a fault.
Featuring a DIN Rail mount design, the 3RV2021-4AA20 allows for quick and easy installation within control cabinets, streamlining the setup process in various industrial environments. The circuit breaker is equipped with a magnetic short-circuit trip mechanism, ensuring rapid response to fault conditions and minimising potential damage to connected equipment.
The compact dimensions of this circuit breaker, with a width of only 45 mm, make it an efficient choice for space-constrained applications. It also boasts a mechanical service life of 100,000 switching cycles, indicating a long-lasting and durable performance.
Designed with safety in mind, the 3RV2021-4AA20 has an IP20 protection rating, providing a degree of protection against solid objects and ensuring the safety of personnel during operation and maintenance. Its compliance with international standards, including ATEX certification for increased safety, underscores its suitability for use in demanding industrial settings.
Overall, the Siemens 3RV2021-4AA20 circuit breaker is a reliable and efficient solution for protecting electrical circuits in a variety of industrial applications, offering both performance and peace of mind.
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
Anna
‘I can recommend quick, efficient, and professional.’
Thomas Roland Geaughan
‘Prompt and expert service. Ease of access to find the parts I needed.’
Martin Juřica
‘Fast offer, short delivery time.’
Kayden
‘Services is great.’
Nathalie Jolicoeur
‘Great service. Thank you.’
Ms. Mia
‘Quick response, good item, delivery on schedule.’
Martin Ruml
‘Rapid delivery.’
Andreas Boehm
‘Excellent service. The right gear and the right price,well packed and delivered on time.’
Kayden
‘Services is great.’
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 device is this circuit breaker suitable for?
The Siemens circuit breaker is suitable for protecting electrical circuits from overloads and short circuits in industrial, commercial, and residential applications. It's designed for DIN rail mounting and can be used in a variety of devices that require circuit protection up to 16 A and 690 V ac.
Can this circuit breaker be used in hazardous locations?
Yes, this circuit breaker has been designed with safety in mind and has approvals for use in certain hazardous locations. It's important to check the specific certifications and standards it meets for your particular application.
What is the interrupting capacity of this circuit breaker?
This circuit breaker has an interrupting capacity of 2 kA, which indicates its ability to safely disrupt a short-circuit current without damage.
How many poles does this circuit breaker have?
This circuit breaker is a 3-pole device, which means it can be used to protect three-phase circuits.
What is the operating temperature range for this circuit breaker?
The operating temperature range for this circuit breaker is from -20°C to +60°C, ensuring reliable performance across a wide range of environmental conditions.
What type of terminals does this circuit breaker have?
This circuit breaker is equipped with spring-loaded terminals for the main current circuit, providing a secure and maintenance-free connection.
Is there a need for additional spacing when installing this circuit breaker?
When installing this circuit breaker, it's recommended to maintain a spacing of 50 mm upwards and downwards, and 30 mm at the side for live parts at 690 V to ensure safe operation and adequate ventilation.
What is the mechanical service life of this circuit breaker?
The mechanical service life of this circuit breaker is typically 100,000 switching cycles for both the main and auxiliary contacts, indicating its durability and longevity.
Does this circuit breaker offer short-circuit protection?
Yes, this circuit breaker includes a magnetic short-circuit trip feature, providing reliable protection against short-circuit conditions.
What is the tripping characteristic of this circuit breaker?
The tripping characteristic of this circuit breaker is designed to respond to current-dependent overloads, with an adjustable pick-up value current ranging from 10 to 16 A.
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.
