steve
Got hold of Sime for a Carrier card for…
Got hold of Sime for a Carrier card for a chiller. Machine down in a factory. Received the new card in express time machine and plant now up and running fantastic service form Sime
3 months ago
3RA2921-1B
Siemens 3RA2921-1B available at EU Automation. Get in touch today for a quick price.
Based on over 4900 reviews
Full 12-month warranty
Available for dispatch immediately
We deliver worldwide
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1. Email confirmation
You will get an email confirming that we have received your enquiry.
2. Dedicated Account Manager
One of our team will be in touch to confirm your part(s) specification and condition.
3. Your quote
You will receive a comprehensive quote tailored to your specific needs.
What happens next?
1. Email confirmation
You will get an email confirming that we have received your enquiry.
2. Dedicated Account Manager
One of our team will be in touch to confirm your part(s) specification and condition.
3. Your quote
You will receive a comprehensive quote tailored to your specific needs.
The Siemens 3RA2921-1B is a versatile link module designed for seamless integration with a range of Siemens circuit breakers and contactors. This module is particularly suited for applications requiring reliable screw terminal electrical connections. It is compatible with the S00 and S0 sizes of circuit breakers and S0 size contactors, ensuring a broad spectrum of use cases within industrial settings.
Crafted for DC operation, the 3RA2921-1B link module facilitates the mechanical and electrical linking of components such as the 3RV2.1/3RV2.2 and 3RT2.2, as well as the 3RW3 soft starters and 3RF34 solid-state contactors. Its design prioritises ease of installation with a screw fixing mounting type, making it a practical choice for various control panel configurations.
With dimensions of 45mm in width, 43mm in height, and 83mm in depth, the module maintains a compact footprint, allowing for efficient use of space within electrical enclosures. The product is part of the esteemed SIRIUS range, which is synonymous with high-quality industrial control gear, offering robust performance in demanding environments.
The 3RA2921-1B is engineered to meet the rigorous standards expected of industrial components, ensuring reliability and durability for your electrical control systems. Whether you're upgrading existing equipment or designing new installations, this link module is an essential component for achieving streamlined and secure electrical connections.
Crafted for DC operation, the 3RA2921-1B link module facilitates the mechanical and electrical linking of components such as the 3RV2.1/3RV2.2 and 3RT2.2, as well as the 3RW3 soft starters and 3RF34 solid-state contactors. Its design prioritises ease of installation with a screw fixing mounting type, making it a practical choice for various control panel configurations.
With dimensions of 45mm in width, 43mm in height, and 83mm in depth, the module maintains a compact footprint, allowing for efficient use of space within electrical enclosures. The product is part of the esteemed SIRIUS range, which is synonymous with high-quality industrial control gear, offering robust performance in demanding environments.
The 3RA2921-1B is engineered to meet the rigorous standards expected of industrial components, ensuring reliability and durability for your electrical control systems. Whether you're upgrading existing equipment or designing new installations, this link module is an essential component for achieving streamlined and secure electrical connections.
| Specification | Description |
|---|---|
| Part Number | 3RA2921-1B |
| Alternative Part Number | 3RA29211B |
| Manufacturer | Siemens |
| Product Type | Link Module |
| Design | For screw terminal electrical and mechanical connections |
| Suitable For | 3RV2.1/3RV2.2 and 3RT2.2 DC operation, 3RW3 soft starters, or 3RF34 solid-state contactors |
| Product Brand Name | SIRIUS |
| Size of Circuit-Breaker | S00, S0 |
| Size of Contactor | S0 |
| Mounting Type | Screw fixing |
| Width | 45 mm |
| Height | 43 mm |
| Depth | 82.9 mm |
| Commodity Code | 853690 |
| General Product Approval | Declaration of Conformity available |
| Special Features | Multi-unit packaging |
| Installation | Easy installation with screw fixing for secure and reliable connection |
| Usage | Facilitates the connection between contactors and circuit breakers for streamlined integration |
What is the purpose of this link module?
The link module is designed to facilitate the electrical and mechanical connection between Siemens SIRIUS contactors and circuit breakers, specifically for the 3RV2.1/3RV2.2 and 3RT2.2, as well as for DC operation with soft starters 3RW3 or solid-state contactors 3RF34.
Can this link module be used with AC contactors?
No, this link module is specifically designed for actuating voltage contactors with DC operation.
What are the dimensions of the link module?
The link module has a width of 45 mm, a height of 43 mm, and a depth of 83 mm.
How is the link module mounted?
The link module is mounted using screw fixing, which allows for a secure and stable installation.
What sizes of circuit breakers and contactors is the link module compatible with?
The link module is compatible with size S00 and S0 circuit breakers and size S0 contactors.
Are there any certifications or approvals for this link module?
Yes, the link module has general product approvals and declarations of conformity, which can be found in the product's documentation.
What is the design of the product?
The design of the product is focused on actuating voltage contactors for DC operation, ensuring compatibility with specific Siemens components.
Is this link module part of a multi-unit packaging?
Yes, the 3RA2921-1B is available as part of a multi-unit packaging, which may be beneficial for projects requiring multiple units.
What is the product brand name associated with this link module?
The link module is part of the SIRIUS product range from Siemens.
How can I find further technical information about the link module?
Further technical information can be obtained from the product's documentation, which includes detailed specifications and installation instructions.
- Connecting circuit breakers to contactors in motor control systems
- Facilitating quick and secure electrical connections in industrial automation panels
- Enabling easy assembly and disassembly of control units for maintenance and troubleshooting
- Integrating soft starters with motor circuits for smooth operation
- Linking solid-state contactors for precise control in heating applications
- Utilising in DC actuating voltage contactor setups for direct current applications
- Implementing in modular control systems for flexibility and space-saving
- Serving as an interface between different components in a control cabinet
- Providing mechanical and electrical connection in multi-unit packaging systems
- Assisting in retrofitting or upgrading existing control systems with minimal rewiring
This content has been produced using multiple sources. EU Automation takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
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Warranty
All parts new or reconditioned are covered by EU Automation 12 month warranty
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Customer reviews
steve
Daniel
Excellent customer service...
Alex Bailey is my main point of contact at EU Automation...he is extremely friendly, has exceptional customer service skills and always offers great pricing & lead times.
4 months ago
Jerry Schrink
Tom Higgins provided amazing service
Tom Higgins provided great prompt service. I contacted Tom by phone and within 10 minutes there was a quote in my in box. WOW Thank you Tom and Thank you EU Automation!
5 months ago
Paulo Pereira
Excellent service and communication…
Excellent service and communication from Alex Bailey. He truly goes above and beyond to ensure his clients are 100% satisfied. The entire process was seamless, and his attention to detail made a huge difference. Highly recommended for anyone looking for amazing service!
5 months ago
Gary
Tom Higgins did a great job at getting…
Tom Higgins did a great job at getting us the part we needed. He saw a concern with the part a verified before shipping.
5 months ago
Lessle Smith
Thomas Higgins has gone above and…
Thomas Higgins has gone above and beyond to make things happen for my facility. His customer service and knowledge were an asset in helping me with my order and the logistics challenges!
6 months ago
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