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Check similar products or call us on +44 20 4570 3439 for assistance
Image shown may not reflect the final product
Check similar products or call us on +44 20 4570 3439 for assistance
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Specification & Description
The Siemens 3RV2321-4BC20 is a robust circuit breaker designed for starter combination applications, ensuring reliable protection and management of electrical circuits. With a rated current of 20A and an N-release of 260A, this circuit breaker is engineered to handle significant electrical loads while providing short circuit protection. Its spring-loaded connection system facilitates a secure and maintenance-free connection, enhancing the longevity and dependability of the device.
Crafted to fit seamlessly into a size S0 frame, the 3RV2321-4BC20 features a three-pole design for main current circuits, making it versatile for a wide range of industrial applications. The device is also equipped with a selector switch operating mechanism, which allows for easy and precise control.
This circuit breaker is designed with safety in mind, boasting a finger-safe terminal protection class of IP20, which helps to prevent accidental contact with live components. It is also capable of being mounted onto a 35 mm standard mounting rail according to DIN EN 60715, providing flexibility in installation.
The 3RV2321-4BC20 is characterised by its mechanical and electrical endurance, capable of withstanding numerous operating cycles without compromise to its performance. This makes it a reliable choice for industries that require a durable solution for motor protection and starter protection in their electrical systems.
With its combination of safety features, reliable performance, and ease of use, the Siemens 3RV2321-4BC20 circuit breaker is an essential component for managing electrical circuits in a variety of industrial settings.
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 type of device is this?
This is a circuit breaker designed for protecting electrical circuits from damage caused by overcurrent or short circuit.
Can this circuit breaker be used in commercial applications?
Yes, it is suitable for commercial applications where circuit protection is required.
What is the operating voltage range for this circuit breaker?
The operating voltage range for this circuit breaker is up to 690V.
What is the rated operating current of this circuit breaker?
The rated operating current for this circuit breaker is 20A.
Is this circuit breaker suitable for three-phase applications?
Yes, it is designed for three-phase applications with a three-pole main current circuit.
What is the short-circuit current breaking capacity of this device?
The short-circuit current breaking capacity at 400V is 25kA.
Can this circuit breaker be mounted on a DIN rail?
Yes, it can be mounted on a 35 mm standard mounting rail according to DIN EN 60715.
What is the mechanical service life of this circuit breaker?
The mechanical service life of the main contacts is typically 100,000 switching cycles.
Does this circuit breaker have auxiliary contacts?
No, this model does not come with auxiliary contacts.
What are the dimensions of this circuit breaker?
The dimensions are 119 mm in height, 45 mm in width, and 97 mm in depth.
What type of terminal connections does this circuit breaker have?
It features spring-loaded terminals for the main current circuit.
What is the protection class of the front face of this circuit breaker?
The front face has a protection class of IP20.
Does this circuit breaker provide ground fault detection?
No, this circuit breaker does not have ground fault detection functionality.
What is the ambient operating temperature range for this circuit breaker?
The ambient operating temperature range is from -20°C to +60°C.
How can I determine if this circuit breaker is tripped?
The tripped status can be determined by the position of the handle on the device.
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.
