Product Description
The Allen-Bradley 140G-J2F3-D12 is a robust and reliable 120-250 Amp molded case circuit breaker designed for demanding industrial applications, offering adjustable thermal and magnetic trip settings, 25kA interrupting capacity, 1000V insulation, 8kV impulse withstand, and a long service life with high mechanical and electrical operation rates.
Is Your Device Showing These Signs?
The Allen Bradley 140G-J2F3-D12 Molded Case Circuit Breaker commonly experiences issues such as nuisance tripping due to incorrect overload settings or thermal magnetic calibration drift. Contact erosion and subsequent failure occur from repetitive high fault current interruptions. The operating mechanism becomes stiff or inoperable due to accumulated debris and lack of lubrication, preventing proper breaker actuation. Auxiliary contact malfunction is traced to loose wiring connections or component degradation. Diagnose these issues through proper testing and calibration procedures, replacing components as needed to restore optimal performance.
Technical specifications
The Allen-Bradley 140G-J2F3-D12 is a durable 120-250 Amp circuit breaker for industrial use, featuring adjustable trip settings, a 25kA interrupting capacity, high insulation and impulse withstand ratings, and a long operational lifespan.
Our Repair Process for the
140G-J2F3-D12
Our repair process for the Allen Bradley 140G-J2F3-D12 Molded Case Circuit Breaker begins with a comprehensive diagnostic evaluation to pinpoint the root cause of the malfunction, whether it be nuisance tripping, contact erosion, operating mechanism failure, or auxiliary contact issues. This evaluation includes rigorous testing and calibration procedures to assess overload settings, thermal magnetic calibration, contact integrity, and the functionality of the operating mechanism and auxiliary contacts. Upon identifying the specific problems, we proceed with the replacement of faulty components, meticulous cleaning, lubrication of the operating mechanism, and secure re-establishment of wiring connections. The breaker undergoes final testing to confirm adherence to original performance specifications before it is returned.
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