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Siemens 3RW3044-1AB14

SIRIUS SOFT START, SIZE S3, 63 A, 30 KW / 400 V, AC 200...460 V, UC 110...230 V

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Part Number3RW3044-1AB14
Model #3RW30441AB14
Warranty2 Year
CategorySoft Start
Power rating30 kW
Voltage400 VAC, 200-460 VUC
Max fuse400 A
Wire60/75˚C CU
Aux. Cont. B300/R/300
Ambient temp50˚C

Our Repair Services

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.

Repair Benefits

MRO can restore your failed 3RW3044-1AB14 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 3RW3044-1AB14 we also repair a wide range of other Siemens products, so if you don’t see the model you need, please contact us.

Core Exchange

If you are interested in getting credit for your faulty 3RW3044-1AB14, 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.

  • Shipping Weight : 1lb

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Ask about exchanging your faulty 3RW3044-1AB14 for credit when ordering from MRO Electric

MRO Electric provides a 2-year warranty on every item we sell and repair. We stand behind all of our products and guarantee them for the full 2 years. If there is an issue with any of our products within the warranty period, we will evaluate the unit and repair or replace it under warranty.

Siemens 3RW3044-1AB14 Overview

Siemens 3RW3044-1AB14: 

Soft Start, Size S3, 63 A, 30 kW / 400 V, AC 200...460 V, UC 110...230 V

The 3RW3044-1AB14 soft starter is engineered to provide seamless control over motor starting operations. With a size S3 rating, it offers a maximum current capacity of 63 A, enabling it to handle heavy-duty industrial loads easily. Its impressive power rating of 30 kW at 400 V ensures compatibility with a wide range of motor specifications. Moreover, the input voltage range of AC 200 to 460 V and control voltage range of UC 110 to 230 V make it adaptable to various power supply configurations, enhancing its versatility in industrial settings.

Product Type Info: Sirius

As part of the Sirius product line, the 3RW3044-1AB14 soft starter benefits from Siemens' legacy of excellence in motor control solutions. The Sirius brand is synonymous with reliability, performance, and innovation, making it the preferred choice for industrial automation professionals worldwide. With the 3RW3044-1AB14, Siemens continues to uphold its commitment to delivering high-quality products that meet the evolving needs of modern industrial environments.

Optimizing Motor Starting Operations:

The 3RW3044-1AB14 soft starter delivers precise and controlled motor starting, minimizing mechanical stress and reducing the risk of voltage dips and current surges. By gradually ramping up the motor speed, it prevents sudden jolts and extends the lifespan of motors, thereby reducing maintenance costs and downtime. Additionally, its advanced features ensure smooth acceleration and deceleration, enhancing overall operational efficiency.

Ensuring Reliability and Safety:

Siemens strongly emphasizes reliability and safety in its products, and the 3RW3044-1AB14 soft starter is no exception. Built to withstand harsh industrial environments, it features robust construction and comprehensive protection mechanisms to safeguard against overloads, short circuits, and overheating. Furthermore, it complies with international standards and certifications, providing users with quality assurance and compliance with regulatory requirements.

FAQ: Siemens 3RW3044-1AB14 Soft Starter

What is the Siemens 3RW3044-1AB14 Soft Starter used for?

The Siemens 3RW3044-1AB14 Soft Starter is designed to control the starting and stopping of motors in industrial applications, providing smooth and controlled acceleration to reduce mechanical stress and extend motor life.

What are the key specifications of the 3RW3044-1AB14 Soft Starter?

The soft starter is rated for 63 A, 30 kW at 400 V, with an input voltage range of AC 200 to 460 V and a control voltage range of UC 110 to 230 V. It features a size S3 rating, making it suitable for heavy-duty industrial loads.

What type of motors is the 3RW3044-1AB14 Soft Starter compatible with?

The soft starter is compatible with various motors, including those used in pumps, fans, compressors, conveyors, and other industrial machinery.

How does the 3RW3044-1AB14 Soft Starter improve motor starting operations?

By gradually ramping up the motor speed, the soft starter reduces the inrush current and mechanical stress during startup, ensuring smoother acceleration and minimizing voltage dips in the electrical supply.

What safety features does the 3RW3044-1AB14 Soft Starter offer?

The soft starter has comprehensive protection mechanisms to safeguard against overloads, short circuits, and overheating. It complies with international standards and certifications, ensuring safe and reliable operation in industrial environments.

What is the product type of the 3RW3044-1AB14 Soft Starter?

The 3RW3044-1AB14 Soft Starter belongs to the Siemens Sirius product line, known for its reliability, performance, and innovation in motor control solutions.

Can the 3RW3044-1AB14 Soft Starter be integrated into existing industrial systems?

Yes, the soft starter is designed for seamless integration into existing industrial control systems and offers compatibility with various communication protocols and control interfaces.

How does the 3RW3044-1AB14 Soft Starter contribute to energy efficiency?

By reducing the inrush current and optimizing motor acceleration, the soft starter helps minimize energy consumption and improve overall system efficiency, leading to cost savings and environmental benefits.

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 Breakers from other manufacturers such as FANUC and Yaskawa.

Contact Us Today For More Information About Siemens Products

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, we strive for customer satisfaction first. This means lower prices and better service for you. For more products like 3RW3044-1AB14, take a look at more from our Breakers 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 3RW3044-1AB14 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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