Product Description
The Allen-Bradley 140U-J2L3-C50 MCCB is a UL-listed, 3-pole, size J frame circuit breaker rated for 250 Amps and 400-480VAC, offering adjustable magnetic and fixed thermal overcurrent and short circuit protection with a 25kA interrupting rating. Weighing approximately 11.4 pounds, it provides main disconnecting facilities for control panels and is suitable for industrial applications involving motors, lighting, and heating. Its adjustable trip setting allows for use with low current applications, and its common accessories simplify installation and maintenance. Ensure proper rating selection and install in a clean, dry environment.
Is Your Device Showing These Signs?
The Allen Bradley 140U-J2L3-C50 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 of the operating mechanism lead to failure to close or open, requiring inspection and potential replacement of internal components. Furthermore, damage to the enclosure compromises insulation integrity, posing safety hazards and necessitating immediate repair or replacement. Calibration drift in the trip settings results in inaccurate protection, demanding recalibration or replacement of the breaker.
Technical specifications
The Allen-Bradley 140U-J2L3-C50 is a 250 Amp, 3-pole circuit breaker designed for industrial applications. It provides adjustable magnetic and fixed thermal protection against overcurrent and short circuits, with a 25kA interrupting rating. It's suitable for use as a main disconnect in control panels and features adjustable trip settings for low current applications.
Our Repair Process for the
140U-J2L3-C50
Our repair process for the Allen Bradley 140U-J2L3-C50 molded case circuit breaker begins with a thorough inspection to identify the root cause of the malfunction, whether it be nuisance tripping, failure to operate, enclosure damage, or calibration drift. Overload settings are verified and adjusted to the correct specifications, and the thermal magnetic trip unit is tested for proper functionality; any malfunctioning components are replaced. Contact surfaces are inspected for wear, and the operating mechanism is examined for degradation; worn or damaged parts are replaced to ensure reliable operation. Enclosure integrity is assessed, and compromised enclosures are repaired or replaced to maintain insulation and safety standards. Trip settings are recalibrated to guarantee accurate protection, or the breaker is replaced if recalibration is not possible.
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