.jpg)
Siemens 3RH19211HA31 Auxiliary Switch Block | 4-Pole (3NO + 1NC) | 10A 240V Industrial Component
Available
Free Shipping
2 Year MRO warranty
| Part Number | 3RH19211HA31 |
| Manufacturer | Siemens |
| Type | AC Drives |
| MRO Warranty | 2 Year |
| Range | 3RH |
| Category | Auxiliary Contact Block |
| Description | Motor Contactor |
| Current rating | 10A |
| Voltage rating | 240 V |
| 4-pole | 3NO + 1NC |
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 3RH19211HA31 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 MRO warranty.
Our technicians have vast experience with most manufacturers and models. In addition to this 3RH19211HA31 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 3RH19211HA31, 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.
Want it shipped today?
Ask about exchanging your faulty 3RH19211HA31 for credit when ordering from MRO Electric
The Siemens 3RH19211HA31 Auxiliary Switch Block is a premium-quality control accessory designed for dependable operation in motor control and automation systems. Engineered by Siemens, a global leader in electrical and industrial technology, this auxiliary switch block delivers outstanding performance, versatility, and safety. With a 10-AMP, 4-pole configuration and a 240V rating, it is ideal for integration with Siemens motor contactors, providing accurate control feedback and seamless communication within your electrical system.
Built with 3 Normally Open (N/O) and 1 Normally Closed (N/C) contacts, the Siemens 3RH19211HA31 is designed to handle complex switching operations, ensuring reliable auxiliary functions in both industrial and commercial applications. Whether you're managing automation panels, machinery controls, or electrical distribution systems, this switch block guarantees long-term stability and efficient functionality.
The screw terminal design ensures secure, vibration-resistant connections, making installation straightforward and maintenance minimal. Its compact structure allows for lateral mounting on Siemens 3RT series contactors, optimizing space within control cabinets. This adaptability makes it an excellent choice for engineers and maintenance professionals seeking compatibility, precision, and durability in a single compact unit.
Every Siemens 3RH19211HA31 Auxiliary Switch Block is built to Siemens' exacting standards of quality and reliability. It is designed to endure demanding industrial conditions while maintaining consistent electrical performance. The device plays a critical role in providing status indication, interlocking functions, and signaling tasks essential for the safe and efficient operation of motor starters and contactor assemblies.
When purchased from MRO Electric and Supply, the Siemens 3RH19211HA31 comes with a 2-year warranty, ensuring peace of mind and dependable post-sale support. MRO Electric offers free shipping and immediate availability, minimizing downtime and ensuring that your project or repair can continue without delay. As a trusted source for industrial automation components, MRO Electric provides genuine Siemens products backed by expert customer service and technical assistance.
Choose the Siemens 3RH19211HA31 for your auxiliary switching needs and experience top-tier performance, long-lasting durability, and seamless integration with Siemens motor control systems. It's the wise, reliable choice for professionals who demand precision and quality from every component.
What is the Siemens 3RH19211HA31 used for?
It's an auxiliary switch block used with Siemens motor contactors to provide additional switching functions such as signaling and interlocking.
How many poles does this switch block have?
It has four poles—3 Normally Open (N/O) and 1 Normally Closed (N/C).
What is the current rating of this device?
The Siemens 3RH19211HA31 is rated for 10 amps.
What is the voltage rating?
This auxiliary switch block operates at 240 volts AC.
How is it connected?
It features a screw terminal design for secure and easy connections.
Is it compatible with Siemens 3RT contactors?
Yes, it's specifically designed for use with Siemens 3RT motor contactors.
What type of mounting does it use?
It uses lateral mounting for easy installation on compatible contactors.
Does MRO Electric offer a warranty?
Yes, MRO Electric provides a 2-year warranty on this product.
Is the Siemens 3RH19211HA31 available for immediate shipping?
Yes, it's available immediately with free shipping from MRO Electric and Supply.
Why choose Siemens auxiliary switch blocks?
Siemens products are known for their precision engineering, durability, and reliability—making them the preferred choice for demanding industrial applications.
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 3RH19211HA31, take a look at more from our AC Drives 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 3RH19211HA31 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.
Very happy with the overall service, delivery, communication and delivery,
Conley CookeI needed a special drive, found it, and I was quickly assisted by Joe Kaminski. Everything was exactly as it should be....
JackWe have an older DMU80 CNC Machine and the Handheld Control was damaged beyond repair. MRO was very helpful in confirmin...
Abbey-Purchasing Specialist
© copyright 2025
.jpg)
