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Allen Bradley 140G-H3C3-C20

Allen Bradley

PLCs

140G MCB

140G-H3C3-C20

ISO 9001:2015 Certified Quality

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

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-H3C3-C20 molded case circuit breaker is a reliable and easily installed H-frame device, weighing 2.65 pounds, designed to protect electrical circuits in industrial applications with its 125-amp maximum current rating, fixed thermal-magnetic protection, 35kA interrupting rating, 20-amp current range, 1000V insulation voltage, and 8kV impulse voltage withstand, offering a mechanical life of 240 operations per hour and an electrical life of 120 operations per hour for effective electrical system management.

Is Your Device Showing These Signs?

The Allen Bradley 140G-H3C3-C20 molded case circuit breaker commonly experiences issues such as nuisance tripping due to incorrect trip settings or thermal overload. Failed or damaged operating mechanisms prevent proper breaker operation, requiring replacement or repair of internal components. Contact erosion or corrosion on the breaker's contacts increases resistance, leading to overheating and potential failure. Calibration drift affects the accuracy of the breaker's protection functions, necessitating recalibration or replacement. Damage to the breaker enclosure compromises its insulation and safety, requiring immediate attention and possible replacement.

Technical specifications

  • The Allen-Bradley 140G-H3C3-C20 is a 2.65-pound molded case circuit breaker designed for industrial electrical circuit protection. It features a 125-amp maximum rating, fixed thermal-magnetic protection, a 35kA interrupting rating, a 20-amp current range, high insulation and impulse voltage withstand, and specified mechanical and electrical operational lifespans.

Our Repair Process for the

140G-H3C3-C20

Our repair process for the Allen Bradley 140G-H3C3-C20 molded case circuit breaker begins with a thorough inspection to diagnose the specific issue, whether it be nuisance tripping, a failed operating mechanism, contact erosion, calibration drift, or enclosure damage. We address nuisance tripping by verifying and correcting trip settings, and we repair or replace internal components of the operating mechanism to ensure proper breaker function. Contact erosion is resolved through cleaning, resurfacing, or replacement of the affected contacts. Calibration drift is corrected through precise recalibration procedures, or the breaker is replaced if recalibration is not feasible. Damaged enclosures are either repaired to restore insulation and safety, or the entire breaker is replaced to guarantee operational integrity.

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.

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