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Allen Bradley 140G-JC6H3-C40

Allen Bradley

PLCs

140G MCB

140G-JC6H3-C40

ISO 9001:2015 Certified Quality

Our certified process ensures consistent quality and reliable repairs every time.

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2-Year Repair Warranty

We stand behind our repairs with an extensive 2-year warranty on parts and labor for your peace of mind.

Fast Turnaround Time

Our efficient process and large parts inventory help minimize your operational downtime.

Expert Component-Level Repair

We find and replace individual failed components, offering a more affordable and effective repair than full replacement.

Free, No-Obligation Quote

Send us your item for a free evaluation and receive a detailed repair quote with no commitment required.

Product Description

The Allen-Bradley 140G-JC6H3-C40, a robust 250 Amp molded case circuit breaker from Rockwell Automation, offers reliable electrical circuit protection in industrial settings with its 65 kA interrupting rating, electronic LSI protection, 1000V insulation, 8 kV impulse withstand, and durable design capable of 240 mechanical/120 electrical operations per hour, all within a 5.51 pound JC frame suitable for up to 40 Amp current ranges.

Is Your Device Showing These Signs?

The Allen Bradley 140G-JC6H3-C40 molded case circuit breaker commonly experiences issues such as nuisance tripping due to incorrect overload settings or thermal magnetic trip unit malfunction. We address contact erosion from repetitive high fault current interruptions, which degrades breaker performance. Calibration drift in the electronic trip unit leads to inaccurate protection, requiring recalibration or replacement. Mechanical failures in the operating mechanism, including handle binding or latching problems, prevent proper breaker operation. We also resolve communication failures in breakers equipped with communication modules, ensuring seamless integration with power management systems.

Technical specifications

  • The Allen-Bradley 140G-JC6H3-C40 is a durable 250 Amp circuit breaker designed for industrial use. It provides reliable electrical protection with a 65 kA interrupting rating, electronic LSI protection, and robust insulation and impulse withstand capabilities. It's built for frequent operation and comes in a JC frame suitable for up to 40 Amp current ranges.

Our Repair Process for the

140G-JC6H3-C40

Our repair process for the Allen Bradley 140G-JC6H3-C40 molded case circuit breaker begins with a comprehensive diagnostic evaluation to pinpoint the root cause of the malfunction, whether it is nuisance tripping, contact erosion, calibration drift, mechanical failure, or communication issues. Overload settings are verified and adjusted to the correct specifications. The thermal magnetic trip unit is thoroughly inspected and repaired or replaced as needed. Contact surfaces are cleaned and reconditioned to eliminate erosion, and the electronic trip unit is recalibrated to guarantee accurate protection. Mechanical components are inspected, repaired, or replaced to ensure proper operation of the handle and latching mechanisms. Communication modules are tested and repaired to restore seamless integration with power management systems. Each breaker undergoes rigorous testing to confirm it meets or exceeds original performance standards 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.

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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.

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Ships from Rochester, NY

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