Search Icon Account Icon Basket Icon

Siemens

3RV2021-4BA25

£98.78 (ex. VAT)

Learn more about our conditions.
Payment icons
3RV2021-4BA25
3RV2021-4BA25
3RV2021-4BA25

Image shown may not reflect the final product

Check similar products or call us on +44 20 4570 3439 for assistance

Marvo Stock ID MV-7FSZ
HS Code 853620
SKU 3RV2021-4BA25
Condition New unboxed
Warranty 12 months
Weight (kg) 1.00
Length (mm) 300.00
Width (mm) 190.00
Height (mm) 150.00
EAN 4011209841277

Express delivery

Lightning fast delivery if ordered within 00:00:00

Need it urgently?

Call: +44 20 4570 3439

Quoting Marvo Stock ID: MV-7FSZ

More about this product

Chevron

Specification & Description

View now
Chevron

Commonly Asked Questions

View now
Chevron

Customer Reviews

View now
Chevron

Similar Products

View now

Specification & Description

Specification Description
Part Number 3RV2021-4BA25
Alternative Part Number 3RV20214BA25
Manufacturer Siemens
Type Circuit Breaker
Mounting Type Screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 60715
Mounting Position Any
Dimensions (Depth x Height x Width) 96 mm x 119 mm x 45 mm
Electrical Connection Spring-loaded terminals for main current circuit and auxiliary/control current circuit
Connectable Conductor Cross-section Main contacts: 2x (1 ... 10 mm²) solid, 2x (1 ... 6 mm²) finely stranded
AWG Conductors Main contacts: 2x (18 ... 8), Auxiliary contacts: 2x (20 ... 14)
Installation Clearance Downwards/Upwards: 50 mm, At the side: 30 mm, Backwards/Forwards: 0 mm
Approval General Product Approval for use in hazardous locations, KC
Tripping Characteristics Available upon request
Electrical Endurance Further characteristics such as electrical endurance and switching frequency available

The Siemens 3RV2021-4BA25 is a robust circuit breaker designed for motor protection, ensuring the safe and efficient operation of machinery in various industrial settings. This component, part of the SIRIUS product line, is engineered to provide class 10 protection, with an adjustable pick-up value current of the current-dependent overload release ranging from 13 to 20 A. The N-release mechanism is rated at 260 A, offering reliable short-circuit protection.

Crafted for convenience and durability, the 3RV2021-4BA25 features a spring-loaded connection system that simplifies installation and maintenance. Its compact design, with a width of 45 mm, height of 119 mm, and depth of 97 mm, allows for efficient use of space inside control cabinets. The circuit breaker can be mounted in any position, offering flexibility in various mounting scenarios.

The unit is equipped with a transverse auxiliary switch (1NO+1NC), expanding its functionality and integration capabilities within complex control systems. The spring-loaded terminals support a range of conductor cross-sections for both main and auxiliary contacts, accommodating various wiring requirements.

With a mechanical service life of approximately 100,000 switching cycles and similar electrical endurance, the Siemens 3RV2021-4BA25 is built to last, providing a reliable solution for motor protection that meets the demands of rigorous 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.

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

Stars Blažej Knežo

‘Quick response and fast delivery of the product.’

Stars Irene

‘Fast delivery and prompt action.’

Stars Ms. Mia

‘Quick response, good item, delivery on schedule.’

Learn more about Marvo
 

Our service to you

Stopwatch

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.

Shield

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.

Checkmark

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.

Stars

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?

This circuit breaker is designed for protection of motors in industrial applications, providing both short-circuit and overload protection.

Can this circuit breaker be used in hazardous locations?

Yes, it is suitable for use in hazardous locations and complies with the ATEX directive for explosive atmospheres.

What is the rated operating voltage of this circuit breaker?

The rated operating voltage for this circuit breaker is up to 690V.

What is the range for the adjustable pick-up value current of the overload release?

The adjustable pick-up value current of the current-dependent overload release ranges from 13 to 20A.

What are the mechanical and electrical endurance ratings for this circuit breaker?

The mechanical and electrical endurance ratings for this circuit breaker are typically 100,000 switching cycles for both main and auxiliary contacts.

What are the installation requirements regarding clearance around the circuit breaker?

The installation requires clearances of 50mm upwards and downwards, 30mm at the side, and 0mm backwards for live parts at 690V.

What type of terminals does this circuit breaker have for electrical connections?

This circuit breaker features spring-loaded terminals for both the main current circuit and auxiliary and control current circuit.

Is there a specific ambient temperature range for operating this circuit breaker?

The circuit breaker can operate within an ambient temperature range of -20 to +60°C.

What is the significance of the B10 value for this circuit breaker?

The B10 value indicates the number of operations until 10% of the devices are expected to fail due to mechanical wear, which is 5,000 for this circuit breaker with a high demand rate.

How does the temperature compensation feature work for this circuit breaker?

Temperature compensation ensures that the circuit breaker operates reliably over its specified temperature range without the need for manual adjustments.

Part condition box

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.

The Smart Part

The top 10 ways to improve your supply chain strategy

10 advanced techniques to improve your supply chain strategy

Marvo

A robust supply chain strategy is crucial in today’s interconnected and rapidly evolving global economy. Problems that businesses face include shifting consumer preferences, interruptions in supply, and an increasing focus on sustainability. This article delves into ten cutting-edge methods, in order to keep supply chain tactics robust, efficient, and competitive.

7 min read November 22, 2024
What is supply chain optimisation? Automation technologies in modern supply chains

What is supply chain optimisation?

Marvo

Supply chain optimisation is the key to navigating today's rapidly evolving manufacturing landscape. By improving their operations and logistics, businesses can reach greater levels of efficiency. This refinement also leads to strategic agility. As a result, companies position themselves to adapt to new challenges and seize opportunities.

6 min read November 1, 2024
The biggest causes of supply chain disruptions

The increasing causes of supply chain disruptions

Marvo

Over the course of the past twenty years, supply chain resilience has been put to the test. Time after time major and unexpected events catch global supply networks unaware. Often starting as a local issue in one part of the world, our global interconnectivity sees the reach and impact of each event multiply. Each time the different causes of supply chain disruptions become inevitable as the normal way of life adapts and changes.

7 min read October 4, 2024
See all articles