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Siemens

3RV2021-4AA10

£67.35 (ex. VAT)

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Marvo Stock ID MV-2G6F
HS Code 85362090
SKU 3RV2021-4AA10
Condition New unboxed
Warranty 12 months
Weight (kg) 1.00
Length (mm) 320.00
Width (mm) 250.00
Height (mm) 250.00

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Specification & Description

Specification Description
Part Number 3RV2021-4AA10
Alternative Part Number 3RV20214AA10
Manufacturer Siemens
Type Circuit Breaker
Poles 3 Pole
Rated Current 16 A
Rated Voltage 690 V ac
Dimensions 45 x 96.9 x 97 mm
Electrical Connection Screw-type terminals for main current circuit
Terminal Design Top and bottom arrangement for electrical connectors
Conductor Cross-section Solid or stranded: 2x (1 ... 2.5 mm²), 2x (2.5 ... 10 mm²); Finely stranded with core end processing: 2x (1 ... 2.5 mm²), 2x (2.5 ... 6 mm²), 1x 10 mm²
Tightening Torque 2 ... 2.5 N·m
Screwdriver Shaft Diameter 5 to 6 mm
Screwdriver Tip Size Pozidriv size 2
Connection Screw Design M4
Operating Frequency 50 ... 60 Hz
Operating Power at AC-3 230 V: 4 kW; 400 V: 7.5 kW; 500 V: 7.5 kW; 690 V: 11 kW
Operating Temperature -20 ... +60 °C
Mechanical Service Life 100,000 switching cycles for main contacts
Electrical Endurance 100,000 switching cycles
Protection Class IP20 on the front according to IEC 60529
Touch Protection Finger-safe, for vertical contact from the front
Ambient Conditions Maximum installation altitude: 2,000 m above sea level
Relative Humidity 10 ... 95% during operation
Safety Related Data B10 value with high demand rate: 5,000; Failure rate: 50 FIT
Approvals General Product Approval for use in hazardous locations

The Siemens 3RV2021-4AA10 is a robust circuit breaker designed for motor protection, ensuring efficient and reliable operation in a variety of industrial settings. This three-pole breaker is part of the SIRIUS product family, known for its high-quality protection devices. With a Class 10 A-release range of 10 to 16 A and a N-release of 208 A, it is equipped to handle standard switching capacities with precision.

Crafted for durability, the 3RV2021-4AA10 boasts an insulation voltage rated at 690 V and a surge voltage resistance of 6 kV, providing a secure barrier against electrical disturbances. The device is compatible with contactor sizes S00 and S0, offering flexibility for system integration. The circuit breaker also features a screw terminal connection for a secure and stable installation.

With a total typical power loss of 7 W, this circuit breaker is designed to be energy-efficient, minimising operational costs while maximising performance. It is suitable for use in networks with grounded star points, with a safe isolation voltage of up to 400 V between the main and auxiliary circuits.

The 3RV2021-4AA10 is housed in a compact frame, measuring 45 x 96.9 x 97 mm, making it an ideal choice for space-constrained environments. Its design allows for any mounting position, providing additional flexibility during installation. The circuit breaker is also equipped with an auxiliary switch option, enhancing its functionality for various applications.

This Siemens circuit breaker is a reliable solution for motor protection, offering both performance and resilience in industrial applications. Its compatibility with a range of contactor sizes and its robust design make it a versatile choice for safeguarding electrical circuits.

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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Frequently Asked Questions

What type of circuit breaker is this?

This is a 3-pole circuit breaker designed for protecting electrical circuits from overloads and short circuits.

Can this circuit breaker be used in hazardous locations?

Yes, it has approvals for use in hazardous locations, ensuring it can safely operate in such environments.

What is the rated operating voltage of this circuit breaker?

The rated operating voltage of the circuit breaker is 690 V ac.

What is the current rating for this device?

The current rating for this circuit breaker is 16 A.

What are the dimensions of this circuit breaker?

The dimensions are 45 x 96.9 x 97 mm.

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 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 offer short circuit protection?

Yes, it includes a magnetic short-circuit trip feature for protection against short circuits.

Can this circuit breaker be mounted on a DIN rail?

Yes, it is designed for screw and snap-on mounting onto a 35 mm standard mounting rail according to DIN EN 60715.

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

It has screw-type terminals for the main current circuit.

Is there a need for spacing when installing multiple units side by side?

No additional spacing is required for side-by-side mounting, but certain clearances are recommended for grounded and live parts at different voltages.

What is the protection class of the front face of this circuit breaker?

The front face of the circuit breaker has an IP20 protection class rating.

Does this circuit breaker have a trip indicator?

No, this model does not include a trip indicator.

What is the frequency of operation at AC-3 according to IEC 60947-6-2?

The frequency of operation at AC-3 according to IEC 60947-6-2 is a maximum of 15 operations per hour.

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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.