Product Description
The Allen-Bradley 140U-J0D3-D22 is a 3-pole, 220 Amp molded case circuit breaker (MCCB) from the 140U series, designed for inverse time overcurrent protection in motor control installations. It boasts a breaking capacity exceeding 100 kA and is often used in conjunction with disconnect switches and contactors as part of motor starters. While the magnetic tripping point is user-adjustable, the thermal protection setting is fixed. This inverse time breaker offers rapid response to high-magnitude overcurrents while allowing brief stabilization periods for lower-level events. A range of optional accessories are available, and proper enclosure mounting is recommended for optimal performance and longevity.
Is Your Device Showing These Signs?
The Allen Bradley 140U-J0D3-D22 molded case circuit breaker commonly experiences issues such as nuisance tripping due to incorrect overload settings or thermal magnetic calibration drift. We address contact erosion from repetitive high fault current interruptions, ensuring proper arc quenching and dielectric withstand. Failed or sluggish operating mechanisms, including the handle assembly and internal linkages, are repaired or replaced to guarantee reliable breaker operation and prevent single phasing. Furthermore, we resolve issues with the shunt trip or undervoltage release modules, restoring remote tripping and protection functionality. Degraded insulation resistance, measured via megohmmeter testing, is rectified through cleaning, drying, or component replacement to maintain electrical safety and prevent short circuits.
Technical specifications
The Allen-Bradley 140U-J0D3-D22 is a 220 Amp, 3-pole MCCB used for motor control, providing inverse time overcurrent protection. It has a high breaking capacity (over 100 kA), adjustable magnetic tripping, fixed thermal protection, and is often paired with disconnect switches and contactors. Proper mounting and optional accessories enhance its performance and lifespan.
Our Repair Process for the
140U-J0D3-D22
Our repair process for the Allen Bradley 140U-J0D3-D22 molded case circuit breaker begins with a thorough inspection and electrical testing to pinpoint the root cause of malfunction. We correct nuisance tripping by verifying and adjusting overload settings and recalibrating the thermal magnetic trip unit. Contact erosion is addressed through reconditioning or replacement of contacts, ensuring optimal arc quenching and dielectric strength. We repair or replace faulty operating mechanisms, including handle assemblies and internal linkages, to guarantee dependable breaker operation and prevent single phasing. Shunt trip and undervoltage release modules are meticulously repaired or replaced, restoring remote tripping and protection capabilities. Insulation resistance is restored to specified levels through rigorous cleaning, drying, and component replacement as needed, ensuring electrical safety and preventing short circuits.
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