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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 3RV2321-4EC20 is a robust circuit breaker designed for starter combinations, offering reliable protection and control in industrial settings. This component, part of the SIRIUS 3RV2 range, is engineered to safeguard against short circuits, ensuring the safety and longevity of electrical systems. With a size S0 frame, it is compact and suitable for space-conscious installations.
This three-pole circuit breaker is rated for a current of 32A and features a N-release of 400A, making it well-suited for a variety of applications. The spring-loaded connection technology facilitates a secure and maintenance-free electrical connection, while the standard switching capacity ensures efficient operation under normal load conditions.
The device is designed with a selector switch operating mechanism and does not include an auxiliary switch or undervoltage release mechanism. It boasts an insulation voltage rated at 690V and an impulse voltage resistance of 6kV, providing a high level of insulation and protection against voltage spikes.
For ease of use, the 3RV2321-4EC20 is equipped with finger-safe terminals, offering protection against electrical shock during installation and maintenance. It can be installed at altitudes up to 2000 meters above sea level and operates reliably within a temperature range of -20 to +60 degrees Celsius, making it versatile for various environmental conditions.
The circuit breaker's robust design includes a shock resistance compliant with IEC 60068-2-27 standards and an impressive mechanical service life of 100,000 switching cycles for both main and auxiliary contacts. Its electrical endurance also supports up to 100,000 switching cycles, highlighting its durability and reliability in demanding industrial applications.
With its comprehensive protective functions and solid construction, the Siemens 3RV2321-4EC20 circuit breaker is an essential component for ensuring the efficient and safe operation of motor starters and related electrical equipment in 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.
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.
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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 size of the circuit breaker?
The Siemens 3RV2321-4EC20 is a size S0 circuit breaker designed for starter combination applications.
Can this circuit breaker be mounted in any position?
Yes, the circuit breaker can be mounted in any position, offering flexibility for various installation requirements.
What type of terminals does this circuit breaker have?
This circuit breaker is equipped with spring-loaded terminals for the main current circuit.
What is the rated operational voltage of this circuit breaker?
The rated operational voltage for the main current circuit of this circuit breaker is 690V.
What is the rated operating current for this device?
The rated operating current for the Siemens 3RV2321-4EC20 at AC-3 at 400V is 32A.
What are the dimensions of this circuit breaker?
The dimensions of the circuit breaker are 119 mm in height, 45 mm in width, and 97 mm in depth.
Does this circuit breaker have a trip indicator?
No, this model does not come with a trip indicator.
What is the mechanical service life of the main contacts?
The mechanical service life of the main contacts is typically 100,000 switching cycles.
What is the protection class of the terminals?
The terminals of this circuit breaker are rated at protection class IP20.
What is the short-circuit protection feature of this circuit breaker?
The circuit breaker features magnetic short-circuit protection to safeguard electrical circuits from damage due to short-circuit conditions.
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.
