top of page

Allen Bradley 140G-K0K4-D30

Allen Bradley

PLCs

140G MCB

140G-K0K4-D30

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 robust and compact 140G-K0K4-D30 molded-case circuit breaker, operating within a K frame and weighing 9.15 pounds, is designed to protect electrical systems up to 1000 volts with a 300A current rating and a high 100kA interrupting rating against short circuits and overloads. Featuring electronic LSIG protection with an MM option, four poles for enhanced versatility, and an 8kV impulse voltage withstand, this breaker offers reliable performance with a mechanical life of 120 operations per hour and an electrical life of 60 operations per hour, making it suitable for demanding industrial applications.

Is Your Device Showing These Signs?

The Allen Bradley 140G-K0K4-D30 molded case circuit breaker commonly experiences issues such as nuisance tripping due to incorrect overload settings or thermal magnetic trip unit malfunction. We address failures in the operating mechanism, preventing proper breaker actuation and reset. Contamination or corrosion on the electrical contacts increases resistance, leading to overheating and potential arcing, requiring contact cleaning or replacement. Damaged or worn internal components within the breaker's assembly cause operational failures, necessitating component-level repair or complete breaker replacement. We also resolve issues with the breaker's inability to maintain its rated current, leading to premature tripping and system downtime.

Technical specifications

  • The 140G-K0K4-D30 circuit breaker is a robust, 300A, 4-pole device designed for industrial applications. It offers electronic LSIG protection, a 100kA interrupting rating, and protects electrical systems up to 1000V against short circuits and overloads. It's built for reliable performance with a high impulse voltage withstand and specified mechanical/electrical life.

Our Repair Process for the

140G-K0K4-D30

Our repair process for the Allen Bradley 140G-K0K4-D30 molded case circuit breaker begins with a thorough inspection to diagnose issues such as nuisance tripping, thermal magnetic trip unit malfunction, or failures in the operating mechanism. We address contamination or corrosion on electrical contacts through meticulous cleaning or component replacement. Damaged or worn internal components are repaired at the component level, or the entire breaker is replaced if necessary. The breaker's inability to maintain its rated current is resolved to prevent premature tripping and system downtime, ensuring the breaker operates within specified parameters.

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.

Repair flow chart new_edited.jpg

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.

American Flag

Ships from Rochester, NY

bottom of page