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SIRIUS AUXIL. SWITCH, CIRCUIT-BREAKERS, SIZE S00
| Part Number | 3RV1901-1A |
| Manufacturer | Siemens |
| Type | Contactors |
| Model # | 3RV19011A |
| Warranty | 2 Year |
| Range | SIRIUS |
| Category | Aux switch |
| Description | Lateral switch |
| Circuit breaker size | S00, S0, S2, S3 |
| Ambient temp | -20 ... +60°C |
| Protection | IP20 |
| Contacts | NC 1/NO 1 |
| Mounting | Plug in |
| Electrical connection | Screw-type terminals |
| Height | 90mm |
| Width | 9.5mm |
| Depth | 70mm |
| Certificates | CE / UL / CSA / CCC |
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 3RV1901-1A 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 3RV1901-1A 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 3RV1901-1A, 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 3RV1901-1A for credit when ordering from MRO Electric
The Siemens 3RV1901-1A is a high-performance auxiliary switch designed for lateral fitting on circuit breakers. Part of the renowned SIRIUS product line, this auxiliary switch enhances circuit protection systems by offering reliable control and signaling functions. It is engineered to integrate seamlessly with circuit breakers S00, S0, S2, and S3, providing an optimal solution for industrial and commercial electrical installations. Backed by CE, UL, CSA, and CCC certifications, the Siemens 3RV1901-1A guarantees safety, reliability, and compliance with international standards.
This auxiliary switch features a lateral design, allowing for easy installation and efficient use of panel space. With a robust IP20 protection rating on the front, the 3RV1901-1A is built to withstand demanding environments while ensuring operator safety. Its compact dimensions—9.5 mm width, 90 mm height, and 70 mm depth—make it suitable for limited-space applications. The switch has screw-type terminals, supporting secure connections for auxiliary and control circuits.
The Siemens 3RV1901-1A auxiliary switch is designed to operate effectively in a wide range of temperatures, with a storage range of -50°C to +80°C and an operational range of -20°C to +60°C. This makes it suitable for diverse industrial and commercial settings. The auxiliary circuit includes one normally open (NO) and one normally closed (NC) instantaneous contact, providing versatile control options.
The auxiliary switch delivers dependable performance across various voltage levels. At AC-12, it supports up to 10A at 24V, 230V, 400V, and 690V. For AC-15 operations, it handles 6A at 24V, 4A at 230V, and 3A at 400V, with a maximum capacity of 1A at 690V. For DC-13 applications, it accommodates 2A at 24V, 0.5A at 110V, and 0.25A at 220V. These ratings ensure compatibility with a broad range of electrical systems.
The 3RV1901-1A uses a plug-in fixing mechanism, enabling straightforward installation and removal. Its versatile electrical connections support solid and finely stranded wires with core-end processing, allowing conductor cross-sections of 0.5–2.5 mm² or AWG sizes 18–14. This adaptability ensures seamless integration into existing systems.
This auxiliary switch is certified globally and meets CE, UL, CSA, and CCC standards. Additionally, it comes with a 2-year warranty and free shipping from MRO Electric and Supply, offering buyers peace of mind and cost savings.
What circuit breaker sizes are compatible with the Siemens 3RV1901-1A?
The 3RV1901-1A is compatible with circuit breakers of sizes S00, S0, S2, and S3.
What is the protection class of this auxiliary switch?
The auxiliary switch has an IP20 protection class on the front.
What is the operating temperature range?
The switch operates effectively between -20°C and +60°C.
What type of contacts does it include?
It includes one normally open (NO) and one normally closed (NC) instantaneous contact.
What is the maximum operating current at AC-12?
The maximum operating current at AC-12 is 10A at all voltage levels (24V, 230V, 400V, 690V).
Can it handle DC loads?
Yes, the switch supports DC-13 applications with ratings of 2A at 24V, 0.5A at 110V, and 0.25A at 220V.
What is the mounting type?
The 3RV1901-1A uses a plug-in fixing mechanism for easy installation.
What types of conductors can be connected?
It supports solid and finely stranded wires with 0.5–2.5 mm² cross-sections or AWG 18–14.
Does the product come with certifications?
It is certified with CE, UL, CSA, and CCC approvals.
Is there a warranty available?
Yes, MRO Electric and Supply offers a 2-year warranty with free shipping for this product.
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 3RV1901-1A, 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 3RV1901-1A 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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