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Siemens 3RA1921-1AA00

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Marvo Stock ID MV-74YN
HS Code 853669
SKU 3RA1921-1AA00
Warranty 12 months
Weight (kg) 0.04
Length (mm) 96.00
Width (mm) 45.00
Height (mm) 183.00

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Specification & Description

Specification Description
Part Number 3RA1921-1AA00
Alternative Part Number 3ra19211aa00
Manufacturer Siemens
Product Type Connecting Module
Weight 0.082 lb (approximately 37.19 grams)
Suitable For Use with 3RV1.2 and 3RT1.2 circuit breakers, and 3RW302 soft starters for AC operation
Size of Circuit-Breaker S0
Size of Contactor S0
Design Electrical and mechanical connection module
Commodity Code 853669
General Approvals Product complies with general industrial standards and certifications
Environmental Confirmations Product adheres to environmental regulations and standards
Dimensions Specific dimensions are not provided, please refer to the product datasheet for details
Additional Features Designed for easy installation and reliable connection between compatible Siemens components

The Siemens 3RA1921-1AA00 is a meticulously engineered connecting module designed to facilitate the seamless integration of motor starters and contactor assemblies. This component is a vital accessory for users looking to establish electrical and mechanical connections between Siemens S0 size circuit breakers and contactors, specifically the 3RV1.21, 3RT1.2, and 3RW3 models with AC actuation.

Crafted with precision, the 3RA1921-1AA00 ensures a reliable and robust link, contributing to the overall efficiency and reliability of your control systems. Its compact design allows for easy installation onto standard mounting rails, making it a convenient and space-saving solution for various industrial applications.

The module's compatibility with a range of Siemens motor protection and control gear products makes it a versatile choice for professionals seeking to maintain or enhance their system's performance. Whether you're setting up new installations or upgrading existing systems, the Siemens 3RA1921-1AA00 connecting module is an essential component that promises to deliver consistent performance and ease of use.

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 is the purpose of the connecting module?

The connecting module is designed to facilitate the electrical and mechanical connection between components such as circuit breakers and contactors, specifically for the 3RV1.21, 3RT1.2, and 3RW3 with AC actuation. It simplifies the installation process and ensures a secure and reliable connection.

Can this module be used with any size of circuit breaker or contactor?

The module is compatible with size S0 circuit breakers and contactors. It is important to match the module with the correct size components to ensure proper functionality.

Is there a specific orientation required for mounting the module?

The module should be mounted according to the guidelines provided by the manufacturer. Typically, it can be snapped onto a standard mounting rail, but the exact mounting position should be verified with the product documentation.

Are there any certifications or approvals associated with this module?

Yes, the module comes with various certifications and approvals, which may include general product approvals and declarations of conformity. Specific details can be found in the product documentation.

What type of connections does the module support?

The module typically supports screw-type terminals for the main current circuit, accommodating various conductor cross-sections and types, including solid, stranded, and finely stranded with conductor end processing.

How does the module contribute to the overall safety of an electrical system?

By providing a secure and standardised method for connecting electrical components, the module helps maintain the integrity of the electrical system and reduces the likelihood of connection errors that could lead to malfunctions.

What should be considered when selecting a connecting module for a specific application?

Considerations should include the compatibility with the size and type of the circuit breakers and contactors in use, the electrical and mechanical requirements of the application, and any environmental conditions that may affect the module's performance.

How can I verify the authenticity of the module?

Authenticity can be verified by checking the product for manufacturer markings, reviewing the documentation that comes with the module, and purchasing from reputable suppliers.

What maintenance is required for the connecting module?

The module typically requires minimal maintenance. However, it's important to periodically check the connections for tightness and integrity, and to ensure that the module is free from dust and corrosion.

Are there any environmental considerations for storing the module?

The module should be stored in a dry, temperature-controlled environment to prevent damage from moisture and extreme temperatures. Refer to the manufacturer's guidelines for specific storage conditions.

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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.

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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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