SIEMENS AUXIL. SWITCH, TRANSVERSE 1NO + 1NC, F. CIRCUIT-...
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2 Year warranty
| Part Number | 3RV1901-1E |
| Manufacturer | Siemens |
| Type | Contactors |
| Model # | 3RV19011E |
| Warranty | 2 Year |
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 3RV1901-1E 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 3RV1901-1E 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 3RV1901-1E, 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 3RV1901-1E for credit when ordering from MRO Electric
The Siemens 3RV1901-1E is a high-quality auxiliary contact block designed to enhance the control and signaling capabilities of Siemens SIRIUS motor protection circuit breakers. Featuring a normally open (1NO) and one normally closed (1NC) contact configuration, this auxiliary switch enables reliable status indication and extended control functions in your motor starter or control circuit.
This unit is a transverse front-mounting auxiliary contact that installs easily on the front of compatible Siemens 3RV motor protection circuit breakers. With a rated current of 2.5 amps, the Siemens 3RV1901-1E is ideal for low-power signaling tasks in both AC and DC control circuits. It allows operators or automation systems to monitor the status of the primary breaker, improving overall system visibility and responsiveness.
Perfect for use in industrial control panels, motor control centers, and automation systems, the 3RV1901-1E is built for durability, long life, and dependable operation. Whether you need to signal breaker position, initiate interlock functions, or trigger alarms, this auxiliary contact delivers a compact and effective solution without taking up extra panel space.
Engineered to integrate into the Siemens SIRIUS modular system seamlessly, this contact block provides fast installation with secure, vibration-resistant connection points. The transverse front-mount design ensures that it stays firmly in place and maintains reliable contact during demanding industrial operations.
MRO Electric and Supply offers the Siemens 3RV1901-1E with a 2-year warranty, providing extra confidence in the longevity and quality of your purchase. This part is in stock and ready for immediate shipping, with free shipping included, allowing you to keep your operations running without delay.
What is the function of the Siemens 3RV1901-1E?
It's an auxiliary contact block used to signal or control functions related to a primary motor protection circuit breaker.
What does 1NO/1NC mean?
This means the unit has one normally open and one normally closed contact, suitable for a range of signaling tasks.
Where is this contact mounted?
It mounts transversely on the front of Siemens 3RV circuit breakers.
What is the rated current of this auxiliary contact?
It has a rated current of 2.5 amps, suitable for control and signal applications.
Is this compatible with all Siemens 3RV circuit breakers?
It's compatible with select Siemens 3RV series breakers—typically the S0 and S2 sizes in the SIRIUS family.
What kind of applications use this auxiliary contact?
Used in motor control centers, control panels, and industrial automation systems for status indication and logic interlocking.
Is the installation complicated?
No, the snap-on front mount design makes installation fast, easy, and secure.
Does it come with a warranty?
Yes, MRO Electric offers a 2-year warranty on this product.
Is the Siemens 3RV1901-1E in stock?
Yes, it is immediately available and ships fast from MRO Electric.
Is shipping free?
Yes, free shipping is included with your purchase of this auxiliary contact block.
Enhance the flexibility and control of your Siemens motor protection setup with the Siemens 3RV1901-1E auxiliary contact, available now at MRO Electric and Supply—where quality, speed, and reliability come standard.
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 3RV1901-1E, 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 3RV1901-1E 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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