Receive a Text Quote
We will send you price and availability shortly
Invalid number. Please call (800) 691-8511
Looking for a fast quote? Click here, and we'll text you.

2-year Warranty

Same Day Shipping

Schneider Electric 140CPU53414A

2 ratings

Select Condition


6 in stock


2 in stock


Request a formal quote

  • Ships Today
  • 2 Year Warranty
  • Free Shipping
Part Number140CPU53414A
ManufacturerSchneider Electric
Model #140-CPU-534-14A
Warranty2 Year
Communication Ports2 Modbus (RS-232)
1 Modbus Plus (RS-485)
Modules Supported6
Key SwitchYes
Processor ModelIntel 586 DX
Clock Speed133 MHZ
On-Board Math ProcessorYes
Watchdog Timer250 ms S/W adjustable
Internal Memory2.7 MB
Max HSBY Unlocated Data128kB
Ethernet Remote I/O Not Supported
Battery3V Lithium Battery
Service Life1200 mAh
Shelf Life10 Years

Our Repair Services

MRO Electric repairs CNCs, PLCs, Servo/Spindle Drives, Motors, Amplifiers, VFDs, HMIs, and more, most of which can be repaired in only 3-5 days.

Repair Benefits

MRO can restore your failed 140CPU53414A to remanufactured condition and save you up to 75% compared to buying new. We offer standard repair pricing to ensure you the best value for your repair.

Our certified technicians use rigorous testing procedures to ensure your parts are restored to fully functioning condition. Our team proudly stands behind all repairs by providing a minimum 2-year warranty.

Our technicians have vast experience with most manufacturers and models. In addition to this 140CPU53414A we also repair drives, motors, PLCs and more, so if you don’t see the model you need, please contact us.

Core Exchange

If you are interested in getting credit for your faulty 140CPU53414A, just let us know, and we can issue you an RMA to send it in as an exchange. Our exchange program provides you with savings and keeps us stocked for the next time you need anything.

  • Shipping Weight : 2lbs

Want it shipped tomorrow?

  • Order within the next 4 minutes.
  • If you order between 4pm and 6pm EST, you will be charged a small rush fee.

Ask about exchanging your faulty 140CPU53414A for credit when ordering from MRO Electric

MRO Electric provides a 2-year warranty on every item we sell and repair. We stand behind all of our products and guarantee them for the full 2 years. If there is an issue with any of our products within the warranty period, we will evaluate the unit and repair or replace it under warranty.

Schneider Electric 140CPU53414A Overview

Overview of Schneider Electric 140CPU53414A


The Schneider Electric 140CPU53414A is a central processing unit (CPU) designed for industrial automation applications. It belongs to the Modicon Quantum series and is equipped with features tailored to meet the demanding requirements of modern manufacturing and process control systems.

Key Features of the Schneider Electric 140CPU53414A:

  • Communication Ports: The 140CPU53414A features two Modbus ports (RS-232) and one Modbus Plus port (RS-485), providing versatile connectivity options for communication with other devices in the industrial network.
  • Module Support: It supports up to six expansion modules, allowing for scalability and flexibility in system configuration and expansion.
  • Key Switch: Equipped with a key switch for enhanced security and access control, ensuring authorized access to the CPU's functionalities.
  • Processor Model and Clock Speed: Powered by an Intel 586 DX processor with a clock speed of 133 MHz, the CPU delivers robust performance and efficient operation.
  • On-Board Math Processor: Featuring an on-board math processor, the CPU enables rapid execution of arithmetic and mathematical operations, enhancing overall system performance.
  • Watchdog Timer: The integrated watchdog timer, with a software-adjustable timeout period of 250 ms, provides reliable monitoring and ensures system integrity by detecting and recovering from software or hardware faults.
  • Memory Capacity: With 2.7 MB of internal memory, the CPU offers ample storage for program code, data, and configuration settings, supporting complex automation tasks.
  • Battery Backup: The CPU is equipped with a 3V lithium battery, providing backup power to preserve critical data and program memory in the event of a power outage.
  • Service Life and Shelf Life: Featuring a 1200 mAh battery, the CPU offers an extended service life, while its shelf life of 10 years ensures long-term reliability and performance.

FAQ (Frequently Asked Questions) about the Schneider Electric 140CPU53414A:

Q: What is the primary function of the 140CPU53414A?

A: The 140CPU53414A serves as a central processing unit in industrial automation systems, responsible for executing control logic, data processing, and communication tasks to facilitate the operation of manufacturing and process control equipment.

Q: What communication protocols are supported by the CPU?

A: The CPU supports Modbus communication protocols, with two RS-232 ports for standard Modbus communication and one RS-485 port for Modbus Plus communication, enabling seamless integration with a wide range of industrial devices and systems.

Q: Can the CPU be expanded to accommodate additional modules?

A: Yes, the 140CPU53414A supports up to six expansion modules, allowing users to customize and expand the functionality of their automation systems according to specific application requirements.

Q: How does the key switch enhance security?

A: The key switch on the CPU provides an additional layer of security by requiring authorized personnel to physically engage the switch to access and modify the CPU's settings and configurations, preventing unauthorized access and tampering.

Q: What is the significance of the watchdog timer?

A: The watchdog timer plays a crucial role in ensuring system reliability and fault tolerance by monitoring the CPU's operation and resetting it in the event of a software or hardware fault, thereby minimizing downtime and ensuring continuous operation.

Contact Us Today For More Information About Schneider Electric Products

Check out the rest of our Schneider Electric product line. Whether it's using our online instant quote feature, giving us a call at (800) 691-8511, or emailing us at, we strive for customer satisfaction first. This means lower prices and better service for you. For more products like 140CPU53414A, take a look at more from our CPUs line. If your current unit has gone bad, take advantage of our Core Exchange program for the most inexpensive route. You can learn more about this program on our FAQ page here. We offer a repair service on all of our 140CPU53414A products that keep your downtime to a minimum. To stay up to date on manufacturer news, as well as access any of our datasheets, manuals, or other documentation, we suggest you take a look at our blog.

5 stars

4.9 Overall Satisfaction Rating

Over 1700 Ratings from Actual Customers

Read Our Reviews

Very happy with the overall service, delivery, communication and delivery,

Conley Cooke

I needed a special drive, found it, and I was quickly assisted by Joe Kaminski. Everything was exactly as it should be....


We have an older DMU80 CNC Machine and the Handheld Control was damaged beyond repair. MRO was very helpful in confirmin...

Abbey-Purchasing Specialist