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Siemens 3RV2042-4MB10

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£291.73 (ex. VAT)

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Marvo Stock ID MV-CTWA
HS Code 853620
SKU 3RV2042-4MB10
Condition Used
Warranty 12 months
Weight (kg) 1.50
Length (mm) 176.00
Width (mm) 70.00
Height (mm) 165.00

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Specification & Description

The Siemens 3RV2042-4MB10 is a robust circuit breaker designed for motor protection, ensuring the safe and efficient operation of machinery in industrial settings. This component is part of the SIRIUS product family, renowned for its reliability and performance. With a Class 20 trip class, it offers an adjustable current response value for the current-dependent overload release ranging from 80 to 100 A, and an instantaneous short-circuit trip unit response value of 1300 A.

Crafted to handle increased switching capacities up to 100 kA, this circuit breaker is equipped with screw terminals for secure and straightforward installation. It is suitable for use in systems with operating voltages up to 690 V and can be combined with contactors of the same size for comprehensive motor control solutions.

The 3RV2042-4MB10 is designed with safety in mind, featuring a finger-safe front with IP20 protection class, ensuring protection against direct contact and solid objects. Its mechanical service life boasts an impressive 25,000 switching cycles, highlighting the durability and longevity of the component.

This circuit breaker's compact dimensions allow for efficient use of space within control cabinets, and it can be mounted in any position, providing flexibility in installation. The product also includes an auxiliary switch, expanding its functionality for various applications.

Overall, the Siemens 3RV2042-4MB10 circuit breaker is an essential component for industrial motor protection, offering a combination of safety, reliability, and versatility to meet the rigorous demands of modern 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.

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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.

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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.

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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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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.

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Frequently Asked Questions

What is the purpose of this circuit breaker?

The circuit breaker is designed for motor protection, ensuring safe operation by preventing damage due to overloads or short circuits. It is suitable for use in industrial motor control and protection applications.

Can this circuit breaker be used in hazardous locations?

Yes, the circuit breaker has approvals for use in hazardous locations, making it suitable for a variety of industrial environments where safety is a priority.

What are the mounting options for this circuit breaker?

The circuit breaker can be mounted in any position and is designed for screw and snap-on mounting onto a 35 mm standard mounting rail according to DIN EN 60715.

What is the maximum operating voltage for this circuit breaker?

The maximum operating voltage for the circuit breaker is 690 V, making it suitable for a wide range of industrial applications.

What is the trip class of this circuit breaker?

The circuit breaker has a trip class of 20, which refers to the time it takes for the breaker to trip in the event of an overload. Class 20 indicates a moderate trip time, providing a balance between protection and avoiding nuisance trips.

What is the rated current range for this circuit breaker?

The rated current range for the circuit breaker is 80 to 100 A, which means it can be adjusted within this range to match the requirements of the protected motor.

Does this circuit breaker have a ground fault detection feature?

No, this circuit breaker does not have a ground fault detection feature. It is primarily designed for overload and short-circuit protection.

What is the mechanical service life of this circuit breaker?

The mechanical service life of the main contacts in the circuit breaker is typically 25,000 switching cycles, indicating its durability and longevity in operational use.

Is there an auxiliary switch available for this circuit breaker?

Yes, the circuit breaker does have the option for an auxiliary switch, which can be used for signalling and control purposes in a motor control system.

What type of terminals does this circuit breaker have for the main current circuit?

The circuit breaker is equipped with screw-type terminals for the main current circuit, providing a secure and reliable connection for the conductors.

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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.

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