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3RW4427-1BC34

2-year Warranty

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Siemens 3RW4427-1BC34

SIRIUS SOFT STARTER, VALUES WITH 460 V, 50 DEG., STANDARD: 82A, 60HP

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2 Year warranty

Part Number3RW4427-1BC34
ManufacturerSiemens
TypeBreakers
Model #3RW44271BC34
Warranty2 Year
RangeSIRIUS
Category3RW4
DescriptionSoft starter
FeaturesIntegrated bypass contact system, thyristors
Operational current93 A 40 °C, 82 A at 50 °C, 72 A at 60 °C
Current/ 3-phase motors at inside-delta circuit161 A at 40 °C, 142 A at 50 °C, 125 A at 60 °C
Pollution3, acc. to IEC 60947-4-2
Frequency50/60 Hz
Height192 mm
Width170 mm
Depth270 mm
Fastening Screw fixing

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 3RW4427-1BC34 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 3RW4427-1BC34 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 3RW4427-1BC34, 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 3RW4427-1BC34 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 3RW4427-1BC34 Overview

Siemens 3RW4427-1BC34: Powering Industrial Applications with Precision Soft Start Technology

The Siemens 3RW4427-1BC34, part of the SIRIUS soft starter series, represents a pinnacle of precision and reliability in industrial motor control. Engineered to provide seamless and efficient operation, this soft starter is designed to deliver optimal performance in a wide range of industrial applications.

Precision Soft Start Technology: 

At the heart of the Siemens 3RW4427-1BC34 lies precision soft start technology, which ensures smooth and controlled acceleration of motors, thereby reducing mechanical stress and extending equipment lifespan. This technology also minimizes electrical disturbances during motor start-up, enhancing system stability and reliability.

Optimized Voltage Ratings: 

With voltage ratings tailored to industrial standards, the Siemens 3RW4427-1BC34 offers exceptional versatility and compatibility with various power systems. Featuring values of 460V and 50 degrees, this soft starter efficiently manages motor operations across different voltage environments, ensuring seamless integration into diverse industrial setups.

Standardized Current Ratings: 

The Siemens 3RW4427-1BC34 has standardized current ratings, providing users with clear and consistent performance specifications. With a standard rating of 82A, equivalent to approximately 60HP, this soft starter delivers reliable and efficient motor control for various industrial machinery and equipment.

Enhanced Motor Protection: 

Motor protection is paramount in industrial applications, and the Siemens 3RW4427-1BC34 incorporates advanced features to safeguard motors against various electrical faults and anomalies. From overload protection to phase imbalance detection, this soft starter offers comprehensive motor protection, minimizing downtime and maintenance costs.

Seamless Integration: 

Integration is seamless with the Siemens 3RW4427-1BC34, thanks to its user-friendly interface and flexible connectivity options. Whether used as a standalone unit or integrated into larger control systems, this soft starter interfaces effortlessly with Siemens PLCs and HMI devices, facilitating easy setup and configuration.

Compact and Durable Design: 

Designed for space-saving installation and long-term reliability, the Siemens 3RW4427-1BC34 features a compact and durable enclosure that withstands the rigors of industrial environments. Its rugged construction ensures protection against dust, moisture, and mechanical impact, guaranteeing uninterrupted operation in harsh conditions.

Efficient Energy Management: 

Efficiency is critical in industrial motor control, and the Siemens 3RW4427-1BC34 helps optimize energy consumption through precise motor control and management. This soft starter contributes to energy savings and sustainability in industrial operations by reducing inrush currents and minimizing voltage fluctuations.

Comprehensive Diagnostic Capabilities: 

To ensure optimal performance and uptime, the Siemens 3RW4427-1BC34 offers comprehensive diagnostic capabilities for proactive maintenance and troubleshooting. Real-time monitoring of motor parameters, combined with fault detection and event logging features, allows users to quickly identify and address issues, minimizing downtime and maximizing productivity.

Future-Ready Adaptability: 

As industrial automation evolves, the Siemens 3RW4427-1BC34 remains at the forefront of innovation, adapting to the changing needs of industrial applications. With ongoing advancements in soft start technology and motor control algorithms, this soft starter ensures compatibility with emerging technologies, empowering manufacturers to stay ahead in a dynamic and competitive market.

Frequently Asked Questions

Q: What is the Siemens 3RW4427-1BC34?

A: The Siemens 3RW4427-1BC34 is a SIRIUS soft starter designed to control the acceleration and deceleration of industrial motors. It provides precise motor control and protection against electrical faults, ensuring smooth and efficient operation in various industrial applications.

Q: What are the key specifications of the Siemens 3RW4427-1BC34?

A: The Siemens 3RW4427-1BC34 operates with voltage values of 460V and 50 degrees, with a standard current rating of 82A, equivalent to approximately 60HP. These specifications make it suitable for various motor sizes and industrial environments.

Q: What industries can benefit from using the Siemens 3RW4427-1BC34?

A: The Siemens 3RW4427-1BC34 benefits manufacturing, mining, oil and gas, water treatment, and more. This soft starter's precise control and motor protection benefit any industry that relies on motor-driven machinery and equipment.

Q: How does the Siemens 3RW4427-1BC34 contribute to motor control efficiency?

A: The Siemens 3RW4427-1BC34 utilizes soft start technology to control motor acceleration and deceleration, reducing mechanical stress and energy consumption during start-up. This results in smoother operation, extended equipment lifespan, and improved energy efficiency in industrial applications.

Q: Is the Siemens 3RW4427-1BC34 easy to integrate into existing systems?

A: The Siemens 3RW4427-1BC34 features a user-friendly interface and flexible connectivity options, making it easy to integrate into existing control systems. It interfaces seamlessly with Siemens PLCs and HMI devices, facilitating quick setup and configuration.

Q: What kind of motor protection does the Siemens 3RW4427-1BC34 provide?

A: The Siemens 3RW4427-1BC34 offers comprehensive motor protection features, including overload protection, phase imbalance detection, and fault diagnostics. These features help minimize downtime and maintenance costs by preventing damage to motors and associated equipment.

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 sales@mroelectric.com, we strive for customer satisfaction first. This means lower prices and better service for you. For more products like 3RW4427-1BC34, 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 3RW4427-1BC34 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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