Product Description
The Allen-Bradley 140G-MTK4-D80, a robust molded case circuit breaker from Rockwell Automation, provides reliable and precise circuit protection in demanding industrial environments, handling up to 800A with its M-frame, four-pole design and electronic LSIG protection, while safely operating at 1000V withstanding 8kV impulses, and offering a long mechanical and electrical lifespan despite its manageable 33.29-pound weight.
Is Your Device Showing These Signs?
The Allen Bradley 140G-MTK4-D80 molded case circuit breaker commonly exhibits issues such as nuisance tripping due to incorrect trip settings or thermal overload. We address mechanical failures including damaged operating mechanisms and faulty trip units. Electrical problems such as contact erosion, reduced insulation resistance, and blown fuses in the shunt trip or undervoltage release circuits are repaired. Calibration drift affecting the accuracy of the overcurrent protection and communication failures in networked systems are corrected. We also resolve issues related to improper installation or environmental factors that cause premature component degradation.
Technical specifications
The Allen-Bradley 140G-MTK4-D80 is a durable 800A, four-pole molded case circuit breaker designed for industrial use. It offers electronic LSIG protection, operates safely at 1000V with 8kV impulse withstand, and has a long lifespan, all while weighing just over 33 pounds.
Our Repair Process for the
140G-MTK4-D80
Our repair process for the Allen Bradley 140G-MTK4-D80 molded case circuit breaker begins with a thorough inspection to diagnose nuisance tripping, mechanical failures, electrical problems, calibration drift, communication failures, and issues from improper installation or environmental factors. We address incorrect trip settings, thermal overloads, damaged operating mechanisms, and faulty trip units. Contact erosion is eliminated, insulation resistance is restored, and blown fuses in shunt trip or undervoltage release circuits are replaced. Overcurrent protection accuracy is recalibrated, and communication failures in networked systems are resolved. Finally, we correct any issues related to improper installation or environmental factors to prevent premature component degradation.
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