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SIRIUS AUXILIARY SWITCH BLOCK, 22, 2 NO + 2 NC, FOR MOTOR CONTACTORS, SIZE S0 .. S3
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2 Year warranty
| Part Number | 3RH1921-1HA22-3AA1 |
| Manufacturer | Siemens |
| Type | Contactors |
| Model # | 3RH19211HA223AA1 |
| Warranty | 2 Year |
| Range | SIRIUS |
| Category | Auxiliary contact |
| Description | Switch block |
| Current | 10 A |
| Voltage | 240 V |
| Contacts | 2 NC, 2 NO |
MRO Electric repairs CNCs, PLCs, Servo/Spindle Drives, Motors, Amplifiers, VFDs, HMIs, and more, most of which can be repaired in only 3-5 days.
MRO can restore your failed 3RH1921-1HA22-3AA1 to remanufactured condition and save you up to 75% compared to buying new. We offer standard repair pricing to ensure you the best value for your repair.
Our certified technicians use rigorous testing procedures to ensure your parts are restored to fully functioning condition. Our team proudly stands behind all repairs by providing a minimum 2-year warranty.
Our technicians have vast experience with most manufacturers and models. In addition to this 3RH1921-1HA22-3AA1 we also repair a wide range of other Siemens products, so if you don’t see the model you need, please contact us.
If you are interested in getting credit for your faulty 3RH1921-1HA22-3AA1, just let us know, and we can issue you an RMA to send it in as an exchange. Our exchange program provides you with savings and keeps us stocked for the next time you need anything.
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Ask about exchanging your faulty 3RH1921-1HA22-3AA1 for credit when ordering from MRO Electric
The Siemens 3RH1921-1HA22-3AA1 is a high-quality auxiliary switch block designed to enhance the functionality of motor contactors. As part of the SIRIUS series, this switch block provides reliable electrical signaling and control, making it an essential component for industrial automation and motor control applications. It has a 2 Normally Open (NO) and 2 Normally Closed (NC) contact configuration, so it is built for versatility and efficiency in complex control circuits.
The Siemens 3RH1921-1HA22-3AA1 auxiliary switch block is engineered for seamless integration with motor contactors of sizes S0 to S3. This ensures compatibility with various motor control systems, enhancing operational efficiency and reliability. The snap-on design allows quick installation, reducing downtime and simplifying maintenance.
With a 2 NO + 2 NC contact setup, this auxiliary switch block enables multiple switching functions within control circuits. The normally open (NO) contacts allow current to flow when activated, while the normally closed (NC) contacts ensure circuit continuity when deactivated. This flexibility makes it ideal for signal transmission, status indication, and interlocking functions.
Built with high-grade materials, the Siemens 3RH1921-1HA22-3AA1 is designed for long-term durability in demanding industrial environments. It provides excellent resistance to mechanical wear and electrical stress, ensuring consistent performance over extended periods. The robust construction minimizes the risk of contact failure, making it a reliable choice for automation systems.
This auxiliary switch block is widely used in industrial motor control panels, automation systems, and electrical distribution networks. Its ability to handle high switching frequencies and provide secure electrical connections makes it a preferred choice for industries requiring precise and dependable control mechanisms.
The 3RH1921-1HA22-3AA1 features a modular design, allowing fast installation onto motor contactors without additional tools. This plug-and-play functionality enhances operational efficiency, making it easier for technicians to implement control circuit modifications or replacements when needed.
As a Siemens SIRIUS component, this auxiliary switch block complies with international safety and quality standards, ensuring secure operation in industrial settings. The fail-safe contact design minimizes the risk of electrical faults, making it suitable for critical applications requiring high reliability.
The Siemens 3RH1921-1HA22-3AA1 auxiliary switch block comes with a 2-year MRO Electric and Supply warranty, providing peace of mind and quality assurance. Additionally, free shipping ensures cost-effective procurement for businesses looking to optimize their automation systems.
What is the function of the Siemens 3RH1921-1HA22-3AA1 auxiliary switch block?
This auxiliary switch block provides additional control and signaling functions in motor contactor circuits, enabling status indication, interlocking, and circuit switching.
What is the contact configuration of this switch block?
It features a 2 NO + 2 NC contact configuration, allowing for versatile switching operations in industrial control circuits.
Which motor contactor sizes are compatible with this auxiliary switch block?
The Siemens 3RH1921-1HA22-3AA1 is designed for use with SIRIUS motor contactors, sizes S0 to S3, ensuring broad compatibility.
Is the installation process complicated?
No, this auxiliary switch block features a snap-on design, allowing for quick and tool-free installation onto compatible motor contactors.
What are the primary applications of this auxiliary switch block?
It is commonly used for signal transmission and control functions in industrial automation systems, motor control panels, and electrical distribution networks.
Does this switch block comply with safety standards?
It meets international safety and quality standards, ensuring secure and reliable operation in industrial environments.
Can this switch block handle high switching frequencies?
It is designed to withstand high switching frequencies, making it suitable for applications requiring frequent operation cycles.
What materials are used in the construction of this switch block?
It is built with high-quality, durable materials that resist mechanical wear and electrical stress for long-term reliability.
What is the warranty period for this product?
The Siemens 3RH1921-1HA22-3AA1 is backed by a 2-year warranty from MRO Electric and Supply, ensuring customer satisfaction and product reliability.
Is free shipping available for this product?
Yes, free shipping is offered, making it more convenient and cost-effective for businesses and customers.
Siemens products are manufactured in Germany and are designed for Automotive, aerospace, power generation, and electronics usage. They come with a 2-year warranty from MRO Electric. We also carry Contactors from other manufacturers such as FANUC and Yaskawa.
Check out the rest of our Siemens product line. Whether it's using our online instant quote feature, giving us a call at (800) 691-8511, or emailing us at sales@mroelectric.com, we strive for customer satisfaction first. This means lower prices and better service for you. For more products like 3RH1921-1HA22-3AA1, take a look at more from our Contactors line. If your current unit has gone bad, take advantage of our Core Exchange program for the most inexpensive route. You can learn more about this program on our FAQ page here. We offer a repair service on all of our 3RH1921-1HA22-3AA1 products that keep your downtime to a minimum. To stay up to date on manufacturer news, as well as access any of our datasheets, manuals, or other documentation, we suggest you take a look at our blog.
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