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Siemens 6FC5372-0AA30-0AB0


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Part Number6FC5372-0AA30-0AB0
Model #6FC53720AA300AB0
Warranty2 Year

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 6FC5372-0AA30-0AB0 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 6FC5372-0AA30-0AB0 we also repair a wide range of other Siemens products, 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 6FC5372-0AA30-0AB0, 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.

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Ask about exchanging your faulty 6FC5372-0AA30-0AB0 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.

Siemens 6FC5372-0AA30-0AB0 Overview

Siemens 6FC5372-0AA30-0AB0: Enhancing CNC Control Systems with Precision

Siemens is a beacon of innovation and reliability in precision manufacturing and industrial automation. The Siemens 6FC5372-0AA30-0AB0, a pivotal component in their arsenal of CNC control systems, epitomizes their commitment to excellence. Designed as an accessory for the SINUMERIK 840D division, this NCU (Numerical Control Unit) module is the nerve center, orchestrating intricate machining operations with unparalleled efficiency and precision.

Unraveling the Specifications

At its core, the 6FC5372-0AA30-0AB0 embodies Siemens' dedication to cutting-edge technology and seamless integration. Operating within the SINUMERIK 840D framework, this module bears the model number 6FC53720AA300AB0, distinguishing itself as a cornerstone of advanced manufacturing solutions. Categorized under SL NCU 720.3B, it represents the pinnacle of CNC control, delivering unrivaled performance and reliability in diverse industrial settings.

Empowering Connectivity

One of the 6FC5372-0AA30-0AB0's hallmark features is its seamless integration with many interfaces, most notably PN with PLC 317-3PN/DP. This interoperability enables effortless communication between the NCU module and peripheral devices, facilitating streamlined workflow orchestration and real-time data exchange. Whether coordinating complex machining sequences or synchronizing with auxiliary equipment, this module ensures unparalleled connectivity and interoperability.

Robust Design, Enhanced Durability

Reliability is non-negotiable in the demanding landscape of industrial automation. Recognizing this imperative, Siemens has endowed the 6FC5372-0AA30-0AB0 with a robust design built to withstand the rigors of continuous operation. Equipped with a battery backup and dual-fan cooling system, this module ensures uninterrupted performance even in the most challenging environments. Whether it's enduring high temperatures or mitigating power fluctuations, this accessory stands as a paragon of resilience and durability.

Optimizing Performance

Beyond its robust construction and seamless connectivity, the 6FC5372-0AA30-0AB0 is engineered to optimize performance across every facet of CNC machining. This module empowers manufacturers to push the boundaries of productivity and quality by leveraging state-of-the-art technology and precision engineering. Every function is meticulously calibrated to deliver unparalleled performance and efficiency, from rapid toolpath calculations to dynamic feed rate adjustments.

Future-Proof Scalability

In an era defined by rapid technological advancements, scalability is paramount. The 6FC5372-0AA30-0AB0 is designed with future-proof scalability in mind, ensuring compatibility with evolving industry standards and emerging technologies. Whether it's accommodating new machining techniques or integrating with next-generation automation systems, this module remains poised to adapt and grow alongside the ever-changing demands of modern manufacturing.

Frequently Asked Questions about the Siemens 6FC5372-0AA30-0AB0 NCU Module

Q: What is the Siemens 6FC5372-0AA30-0AB0 NCU Module?A: The Siemens 6FC5372-0AA30-0AB0 NCU Module is a crucial component in CNC (Computer Numerical Control) systems, specifically designed to operate within the SINUMERIK 840D division. It serves as the control unit, orchestrating intricate machining operations with precision and efficiency.

Q: What are the key features of the 6FC5372-0AA30-0AB0 NCU Module?

A: This module boasts seamless integration with various interfaces, including PN with PLC 317-3PN/DP, enabling effortless communication with peripheral devices. It also has a battery backup and dual-fan cooling system, ensuring uninterrupted performance even in challenging industrial environments.

Q: What is the model number and category of the 6FC5372-0AA30-0AB0 NCU Module?

A: This module's model number is 6FC53720AA300AB0. It falls under the category of SL NCU 720.3B, denoting its specific configuration within the SINUMERIK 840D division.

Q: How does the 6FC5372-0AA30-0AB0 NCU Module optimize performance?

A: This module leverages state-of-the-art technology and precision engineering to optimize performance across various CNC machining operations. It facilitates rapid toolpath calculations, dynamic feed rate adjustments, and seamless coordination of complex machining sequences, enhancing productivity and quality.

Q: Is the 6FC5372-0AA30-0AB0 NCU Module scalable for future upgrades?

A: Yes, it is designed with future-proof scalability in mind. It remains compatible with evolving industry standards and emerging technologies, ensuring seamless integration with new machining techniques and next-generation automation systems.

Q: What industries can benefit from the Siemens 6FC5372-0AA30-0AB0 NCU Module?

A: The Siemens 6FC5372-0AA30-0AB0 NCU Module suits various industries, including automotive, aerospace, electronics, and general manufacturing. Its advanced features and capabilities benefit any industry that relies on precision machining.

Contact Us Today For More Information About Siemens Products

Check out the rest of our Siemens 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 6FC5372-0AA30-0AB0, take a look at more from our Accessories 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 6FC5372-0AA30-0AB0 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.

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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