Product Description
The Allen-Bradley/Rockwell Automation 140U-I0C3-C20 circuit breaker, part of the 140U series designed for motor protection, is a three-pole, NEMA size 1 molded case circuit breaker with a 20 Amp continuous current rating and a breaking capacity of up to 100kA. It features a THE thermal-magnetic/non-adjustable magnetic trip protection with a 500-1000 Amp trip range, an I Frame, and complies with UL 489, CSA C22.2 (No. 5), and IEC 60947-2 standards, making it CE marked, CSA certified, and UL listed with an IP2X protection class. While it lacks an internal control module, it offers rotary, flex cable, and molded case switch operator options.
Is Your Device Showing These Signs?
The Allen Bradley 140U-I0C3-C20 molded case circuit breaker commonly experiences issues such as nuisance tripping due to incorrect trip settings or thermal overload. We frequently address failures in the breaker's internal mechanisms, including the operating handle and trip unit, which prevent proper operation and require repair or replacement. Corrosion on the breaker's terminals and housing is a common problem, especially in harsh environments, leading to connection issues and reduced performance. Routine maintenance, including cleaning and tightening connections, is essential to prevent premature failure of the 140U-I0C3-C20.
Technical specifications
The Allen-Bradley 140U-I0C3-C20 is a 20 Amp, three-pole molded case circuit breaker designed for motor protection. It has a high breaking capacity (100kA), thermal-magnetic trip protection, and complies with various safety standards (UL, CSA, IEC). It lacks an internal control module but offers different operator options.
Our Repair Process for the
140U-I0C3-C20
Our repair process for the Allen Bradley 140U-I0C3-C20 molded case circuit breaker begins with a thorough inspection to diagnose the cause of malfunction, focusing on trip settings, thermal overload, and the condition of internal mechanisms such as the operating handle and trip unit. We address failures by repairing or replacing defective components to restore proper operation. Corrosion on terminals and the housing is meticulously removed, and connections are tightened to ensure optimal performance. The breaker undergoes rigorous testing to verify it meets original specifications and functions reliably under various load conditions. Finally, preventative maintenance, including cleaning and connection tightening, is performed to mitigate future issues and extend the breaker's lifespan.
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.
Buying Options
To receive a quote within 2 hours, please provide us with the details of your requirements. Our team will promptly review your request and send you a custom offer.
Ships from Rochester, NY