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ABB VS1STS57-0T

ABB

Circuit Breaker

VS1

VS1STS57-0T

ISO 9001:2015 Certified Quality

Our certified process ensures consistent quality and reliable repairs every time.

2-Year Repair Warranty

We stand behind our repairs with an extensive 2-year warranty on parts and labor for your peace of mind.

Fast Turnaround Time

Our efficient process and large parts inventory help minimize your operational downtime.

Expert Component-Level Repair

We find and replace individual failed components, offering a more affordable and effective repair than full replacement.

Free, No-Obligation Quote

Send us your item for a free evaluation and receive a detailed repair quote with no commitment required.

Product Description

The ABB VS1STS57-0T is a robust and reliable vacuum circuit breaker designed for medium-voltage power distribution systems. This breaker ensures dependable protection and control of electrical circuits, featuring a vacuum interrupter for arc extinction, guaranteeing safe and efficient operation. It is built for indoor applications and offers a compact design, facilitating easy installation and maintenance. The VS1STS57-0T is equipped with advanced protection relays and control functionalities, enabling seamless integration into modern smart grids and automated substations. This circuit breaker is engineered for a long service life and minimal downtime, making it a dependable solution for critical power infrastructure.

Is Your Device Showing These Signs?

ABB VS1STS57-0T vacuum circuit breakers commonly exhibit failures in the vacuum interrupter, requiring replacement to restore insulation and interruption capabilities. Spring charging motor malfunctions are a frequent cause of operational downtime, necessitating motor repair or replacement. Issues with the operating mechanism, such as worn linkages or faulty solenoids, prevent proper breaker opening and closing. Control circuit board failures disrupt communication and control functions, demanding board repair or replacement. Contact erosion due to repeated operations diminishes current carrying capacity, mandating contact refurbishment or breaker replacement.

Technical specifications

  • The ABB VS1STS57-0T is a vacuum circuit breaker designed for medium-voltage power distribution systems, specifically engineered for indoor applications. This model features a spring-operated mechanism, ensuring reliable and rapid switching operations with a rated voltage of 17.5 kV and a rated short-circuit breaking current of 50 kA. The VS1STS57-0T boasts a compact design, facilitating installation in space-constrained environments, and incorporates advanced vacuum interrupters for arc extinction, minimizing contact erosion and extending operational lifespan. It is equipped with comprehensive protection and control functionalities, including overcurrent, short-circuit, and earth fault protection, configurable via an integrated relay. The breaker adheres to IEC 62271-100 standards, guaranteeing performance and safety, and is suitable for diverse applications such as power plants, substations, and industrial facilities requiring dependable circuit protection.

Our Repair Process for the

VS1STS57-0T

Our repair process for ABB VS1STS57-0T vacuum circuit breakers begins with a comprehensive inspection to diagnose the failure. Vacuum interrupters exhibiting insulation or interruption failure are replaced. Spring charging motor malfunctions are addressed through motor repair or complete replacement. Operating mechanism issues, including worn linkages and faulty solenoids, are resolved through component repair or replacement. Control circuit board failures are rectified via board repair or replacement. Contact erosion is mitigated through contact refurbishment or, when necessary, complete breaker replacement, restoring optimal current carrying capacity.

Your Guarantee: Warranty & Lifetime Support

Your satisfaction is our top priority, and we confidently stand behind the quality of our repairs. That's why every repair service is covered by our comprehensive 24-month warranty. Furthermore, we offer lifetime phone support – if you have questions or need assistance related to our repair down the road, we're here to help. Our service commitment is straightforward: we guarantee our work, and if you're not satisfied, we will make it right. Learn More about our Repair process.

Comprehensive Repairs You Can Depend On

We take immense pride in the quality and reliability of our work. Our process goes beyond simply fixing the immediate problem. We perform a comprehensive inspection of your main board (or other equipment) and proactively replace components known to be failure-prone or showing signs of potential future failure. Before any item is returned, it undergoes rigorous functional testing to ensure it meets performance specifications and operates flawlessly. Visit our main Repair Services page to learn more.

Save Significantly

Our primary goal is to save you hundreds, or even thousands, of dollars compared to the cost of new equipment replacement. By repairing existing components, we provide an economical solution that is also eco-friendly. At Roc Industrial, our commitment to integrity and community drives our consistent growth and ensures you receive a reliable, cost-effective solution.

Please Note: Roc Industrial operates as an independent service provider and is not an authorized distributor for the manufacturers or brands mentioned. Consequently, the original manufacturer's warranty is not applicable to items repaired or sold by us. Roc Industrial provides its own 2-year warranty on all repair services performed.

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