Product Description
The ABB S271-K20A is a robust, single-pole miniature circuit breaker designed for reliable overcurrent and short-circuit protection in residential, commercial, and industrial applications. This device features a K-characteristic tripping curve, ensuring dependable protection for circuits with high inrush currents, such as those found in motor and lighting applications. With a 20A current rating and a 6kA breaking capacity, the S271-K20A confidently interrupts fault currents, preventing damage to equipment and wiring. It is DIN rail mountable for easy installation in standard distribution boards and enclosures. The breaker's durable construction and clear markings guarantee long-lasting performance and simple identification. The S271-K20A provides a secure and efficient solution for circuit protection needs.
Is Your Device Showing These Signs?
The ABB S271-K20A miniature circuit breaker commonly experiences issues such as nuisance tripping due to incorrect overload settings or sensitivity to inrush currents from inductive loads. Terminal connection failures, resulting in loose wiring and potential arcing, are addressed through tightening or replacement. Internal component degradation leads to breaker failure, requiring complete unit replacement. Calibration drift affects trip accuracy, necessitating recalibration or replacement to maintain circuit protection integrity. Environmental factors like humidity and temperature extremes accelerate corrosion and component wear, impacting performance and lifespan.
Technical specifications
The ABB S271-K20A is a high-performance, single-pole miniature circuit breaker (MCB) designed for reliable overcurrent and short-circuit protection in residential, commercial, and industrial applications. This device features a K-characteristic tripping curve, providing enhanced protection for inductive loads with moderate inrush currents, and has a rated current of 20A at a rated voltage of 230/400V AC. The S271-K20A offers a breaking capacity of 6kA, ensuring safe disconnection under fault conditions, and is equipped with a positive trip indication for clear status visibility. It is DIN rail mountable for easy installation in standard distribution boards and complies with IEC/EN 60898-1 standards, guaranteeing quality and safety. The breaker incorporates a robust construction with high-quality materials, ensuring long-term durability and dependable performance in demanding environments.
Our Repair Process for the
S271-K20A
Our repair process for the ABB S271-K20A miniature circuit breaker begins with a thorough inspection to diagnose the specific issue, whether it is nuisance tripping, terminal connection failure, internal component degradation, calibration drift, or environmental damage. Nuisance tripping is resolved by adjusting overload settings or addressing inrush current sensitivity. Terminal connection failures are rectified by tightening or replacing the affected connections. Breakers with internal component degradation are replaced entirely. Calibration drift is corrected through recalibration, or if necessary, the breaker is replaced to ensure accurate trip functionality. Environmental damage necessitates component replacement or complete unit replacement, depending on the extent of the corrosion or wear.
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.