Product Description
The Allen-Bradley 140G-J3C3-C63 is a robust 250A J-frame molded-case circuit breaker, weighing 5.51 pounds, designed for reliable overcurrent protection in diverse applications with its fixed thermal/magnetic trip, 63A rated current, 35kA interrupting capacity, 1000V insulation voltage, and 8kV impulse withstand voltage, supporting frequent operation with a mechanical life of 240 and electrical life of 120 operations per hour.
Is Your Device Showing These Signs?
The Allen Bradley 140G-J3C3-C63 molded case circuit breaker commonly experiences issues such as nuisance tripping due to incorrect overload settings or thermal magnetic trip unit malfunction. Contact wear and degradation are frequent problems, leading to increased resistance and potential overheating. Calibration drift in the trip unit necessitates recalibration or replacement to ensure proper overcurrent protection. Damage to the operating mechanism, including the handle and linkages, prevents proper breaker operation and requires repair or component replacement. Inspect for loose connections at the line and load terminals, addressing any found to prevent arcing and further damage.
Technical specifications
The Allen-Bradley 140G-J3C3-C63 is a 250A circuit breaker offering overcurrent protection. Key features include a fixed thermal/magnetic trip, 63A rated current, 35kA interrupting capacity, high insulation and impulse withstand voltages, and a durable design for frequent operation. It weighs 5.51 pounds.
Our Repair Process for the
140G-J3C3-C63
Our repair process for the Allen Bradley 140G-J3C3-C63 molded case circuit breaker begins with a thorough inspection for nuisance tripping causes, including verification of overload settings and assessment of thermal magnetic trip unit functionality. Contact surfaces are examined for wear and degradation; cleaning, repair, or replacement occurs as needed to minimize resistance. The trip unit undergoes calibration testing, and recalibration or replacement is performed if calibration drift is detected. The operating mechanism, handle, and linkages are inspected for damage, with repair or component replacement executed to restore proper operation. Finally, all line and load terminal connections are checked and tightened to prevent arcing and ensure secure electrical connections.
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.