Product Description
The Allen-Bradley 140G-H3F4-C80 is a robust and versatile 4-pole molded case circuit breaker, weighing 3.53 pounds, designed for industrial efficiency with adjustable thermal-magnetic protection, a 125-amp capacity (managing up to 80 amps effectively), a 35kA interrupting rating for high fault current protection, and a durable construction featuring a 1000V insulation voltage and 8kV impulse withstand voltage, ensuring long-lasting performance with a mechanical life of 240 operations/hour and an electrical life of 120 operations/hour, making it crucial for enhancing circuit safety.
Is Your Device Showing These Signs?
The Allen Bradley 140G-H3F4-C80 molded case circuit breaker commonly experiences issues such as nuisance tripping due to incorrect trip settings or thermal overload, failure to reset after a fault caused by a defective operating mechanism, and contact erosion resulting in increased resistance and voltage drop. Furthermore, problems arise from a faulty solid-state trip unit preventing proper overcurrent protection, and mechanical damage to the enclosure compromising its integrity and safety. Resolve these issues through proper calibration, mechanism repair or replacement, contact cleaning or breaker replacement, trip unit troubleshooting, and enclosure repair or substitution.
Technical specifications
The Allen-Bradley 140G-H3F4-C80 is a durable and efficient 4-pole circuit breaker for industrial use. It offers adjustable thermal-magnetic protection, a 125A capacity (effectively managing 80A), a 35kA interrupting rating, and high insulation/impulse withstand voltages for safety. It's designed for long-lasting performance with specified mechanical and electrical life cycles.
Our Repair Process for the
140G-H3F4-C80
Our repair process for the Allen Bradley 140G-H3F4-C80 molded case circuit breaker begins with a thorough inspection to diagnose nuisance tripping, reset failures, contact erosion, trip unit malfunctions, and enclosure damage. Calibration corrects incorrect trip settings and addresses thermal overloads. A defective operating mechanism necessitates repair or complete replacement to ensure proper reset functionality. Contact cleaning removes erosion, but breaker replacement occurs if damage is extensive. Trip unit troubleshooting identifies and rectifies any solid-state trip unit faults, ensuring proper overcurrent protection. Enclosure repair restores integrity, but substitution is mandatory if mechanical damage is severe, guaranteeing operational safety.
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.

















