140U MCB Repair

Allen Bradley PLC 140U MCB
One Year DO Supply WarrantyOne Year DO Supply Warranty 
'Fast RepairsFast repairs at low costs

We offer extensive repairs for your 140U MCB. We keep many spare parts in stock so that we can repair your 140U MCB as efficiently and effectively as possible. Our standard repair lead time is 2-4 weeks. However, we can often repair your unit much faster if necessary. We can repair most issues with your 140U MCB and if for some reason we cannot repair your unit we will do our best to offer a refurbished unit at the repair cost, so that you can get a working unit back as soon as possible!

Repair Details

We can repair hardware issues and error codes with your 140U MCB such as:

  • Processors
    • Bad communication ports
    • Broken selector/key switches
    • Dead batteries/Bad Battery connections
    • Solid or Blinking RED OK Status Light
    • Solid or Blinking RED RUN Status Light
    • Solid or Blinking RED Fault Status Light
  • I/O Modules 
    • Bad analog inputs or ouptus
    • Bad digital input or outputs
    • Bad relays (stuck on/off)
    • Incorrect voltages on inputs or outputs
    • Incorrect current on inputs or outputs
  • Communication Modules​​​​​​​
    • DF1, DH-485, DH+, Profibus, Remote I/ (RIO) failures and more!
    • Intermittent communication 
    • Solid RED/Blinkging RED communication lights
    • Devicenet, Ethernet, ControlNet, RS232 ports. 
  • Thermocouple Modules/RTD Modules
    • Missing CJC Jumpers
    • Incorrect readings
  • High Speed Counters
    • ​​​​​​​Failed inputs
  • Power Supplies​​​​​​​
    • Dead power supplies
    • Incorrect voltage
  • Chassis/Racks
    • ​​​​​​​Broken Plastic
    • Poor Connections
    • Bad Slots

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The 140U MCB circuit breaker series is a molded case circuit breaker series manufactured by Allen-Bradley. Circuit breakers are electrical devices that are capable of carrying and breaking currents under normal and abnormal circuit conditions. The series is certified with the CE rating and the cULus listing. The breakers in this series meet the CSA, IEC, and the UL compliances. The 140U series is a series of compact circuit breakers which use less panel space and have more features. The circuit breakers in this series are 45 millimeters wide,102 millimeters high, and 85 millimeters deep. They offer higher interruption ratings of 65 kA at 480 Y/277 Volts. They allow for higher overall short circuit ratings. The 140U MCB series provides up to 6 times the high interrupt rating that traditional circuit breakers deliver. This series comes with current limiting features. It offers high interrupt ratings for both 2-pole and 3-pole setups. The circuit breaker is 100% rated for up to 15 Amps of current. These circuit breakers are ideal for feeder circuits which include small cabinets, distribution panels, branch circuit protection, transformers, and heaters. They are also used in control circuits like control transformers and power supplies.


The 140U MCB series is also HACR certified (Heating, Air Conditioning, and Refrigeration). These circuit breakers can be used for global applications. The 140U MCB series is a cost-effective circuit breaker series. These breakers use compact bus bars and feeder blocks which helps to reduce the wiring errors and the installation costs. The circuit breakers can be selected on the basis of the rated current, magnetic trip, breaking capacity, interrupting rating, and the number of poles. These breaker devices can be operated at temperatures between -25 and 60 degrees Celsius. The breakers can also take accessories manufactured by Allen-Bradley.

Part Number Description Price Action
140U-D6D2-A50140U MCB Repair Service$153cartAdd To Cart
140U-D6D2-B10140U MCB Repair Service$151cartAdd To Cart
140U-D6D2-B20140U MCB Repair ServiceAskRequest A Quote
140U-D6D2-B30140U MCB Repair Service$151cartAdd To Cart
140U-D6D2-B40140U MCB Repair Service$153cartAdd To Cart
140U-D6D2-B50140U MCB Repair Service$153cartAdd To Cart
140U-D6D2-B60140U MCB Repair Service$123cartAdd To Cart
140U-D6D2-B80140U MCB Repair Service$151cartAdd To Cart
140U-D6D2-C10140U MCB Repair ServiceAskRequest A Quote
140U-D6D2-C12140U MCB Repair Service$151cartAdd To Cart
140U-D6D2-C15140U MCB Repair ServiceAskRequest A Quote
140U-D6D2-C20140U MCB Repair ServiceAskRequest A Quote
140U-D6D2-C25140U MCB Repair Service$151cartAdd To Cart
140U-D6D2-C30140U MCB Repair ServiceAskRequest A Quote
140U-D6D3-A50140U MCB Repair Service$218cartAdd To Cart
140U-D6D3-B10140U MCB Repair ServiceAskRequest A Quote
140U-D6D3-B20140U MCB Repair Service$217cartAdd To Cart
140U-D6D3-B30140U MCB Repair Service$219cartAdd To Cart
140U-D6D3-B40140U MCB Repair Service$216cartAdd To Cart
140U-D6D3-B50140U MCB Repair Service$218cartAdd To Cart
140U-D6D3-B60140U MCB Repair Service$215cartAdd To Cart
140U-D6D3-B80140U MCB Repair Service$219cartAdd To Cart
140U-D6D3-C10140U MCB Repair Service$217cartAdd To Cart
140U-D6D3-C12140U MCB Repair Service$215cartAdd To Cart
140U-D6D3-C15140U MCB Repair Service$217cartAdd To Cart
140U-D6D3-C20140U MCB Repair ServiceAskRequest A Quote
140U-D6D3-C25140U MCB Repair ServiceAskRequest A Quote
140U-D6D3-C30140U MCB Repair ServiceAskRequest A Quote
Part Number Description Price Action
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