Free Shipping Across the USA — Worldwide Delivery Available!
PALM Parts Solution
AccountQuote
In Stock Fast Shipping Available
Siemens SINUMERIK NCU 720.3 PN Advanced control unit 6FC5357-0BB23-0AE0 for industrial automation

*Image shown is a representation only. Actual product may vary.

Siemens 6FC5357-0BB23-0AE0

by Siemens

Read verified buyer reviews ↓

OverviewElevate the capabilities of your CNC equipment with the Siemens 6FC5357-0BB23-0AE0 SINUMERIK NCU 720.3 PN Advanced. This state-of-the-art control unit is engineered for demanding industrial environments, providing exceptional precision and real-time motion control. As a key component of the SINUMERIK 840D sl series, it's an optimal choice for various CNC systems, from compact setups to advanced configurations. Its design emphasizes efficiency and expandability, seamlessly integrating sophisticated system software and PROFINET communication to ensure swift data processing and dependable operation. The 6FC5357-0BB23-0AE0 is meticulously designed to meet the rigorous demands of contemporary manufacturing, offering a forward-looking platform for intricate machining tasks. Its advanced architecture ensures superior command over axes and spindles while providing user-friendly diagnostic features that simplify upkeep and minimize downtime. Whether your goal is to enhance milling, turning, or multi-axis motion control, this Siemens NCU exemplifies German engineering, laying a robust groundwork for improved productivity and unmatched accuracy.Key Features Integrated NCU 720.3 PN Advanced Controller: Powers the SINUMERIK 840D sl system, delivering exceptional processing for intricate CNC applications. Pre-installed System Software: Equipped with essential software for rapid and effortless setup immediately upon installation. PROFINET Communication: Features a high-speed PROFINET interface for robust, real-time data transmission and seamless integration into industrial networks. Modular and Compact Design: Maximizes cabinet space and offers unmatched versatility for diverse machine tool configurations. Scalable CNC Configurations: Supports a wide array of CNC setups, from smaller machines to complex multi-axis automation systems, adapting to evolving production needs. Real-time Axis and Spindle Control: Provides precise, synchronized control of up to 10 axes/spindles per NCU for impeccable machining accuracy. Diagnostic and Service-Friendly: Engineered for easy diagnostics and maintenance, minimizing downtime and maximizing operational efficiency. Technical SpecificationsThe Siemens 6FC5357-0BB23-0AE0 is built to exact standards, ensuring reliability and peak performance: Siemens Identifier: 6FC5357-0BB23-0AE0 NCU Model: 720.3 PN Advanced System Software: Included (Pre-installed) Communication Interface: PROFINET Mounting: Designed for seamless cabinet installation Control Capacity: Capable of controlling up to 10 axes/spindles per NCU Cooling Method: Efficient internal air cooling Power Supply: Reliably powered via SINAMICS S120 power modules Compatible Control System: Fully compatible with the SINUMERIK 840D sl system ApplicationsVersatile and robust, the Siemens 6FC5357-0BB23-0AE0 is perfectly suited for a multitude of industrial applications: Compact CNC Milling and Turning Machines: Enhances precision and speed in smaller, high-performance machining centers. Modular Machine Tools: Provides a flexible and powerful control backbone for reconfigurable manufacturing systems. High-Precision Automation Systems: Essential for applications demanding sub-micron accuracy and repeatable performance. Multi-Axis Motion Control Setups: Manages complex coordinated movements across multiple axes and spindles with ease. OEM Machine Integration: An ideal component for original equipment manufacturers looking to incorporate advanced CNC capabilities. Robotics and Handling Systems: Empowers robotic systems with enhanced accuracy and faster response times. Why Choose?This model offers optimized performance for CNC environments, delivering exceptional speed and accuracy that directly translates into higher quality parts and increased output. It ensures seamless integration within the Siemens ecosystem, guaranteeing perfect compatibility and communication with Siemens SINAMICS drives and other components.Order NowAcquire the Siemens 6FC5357-0BB23-0AE0 to upgrade your industrial automation capabilities. For current pricing and dependable shipping, contact Palm Parts Solution today.FAQWhat is the Siemens 6FC5357-0BB23-0AE0?It is a SINUMERIK NCU 720.3 PN Advanced control unit, designed for high-performance industrial automation and compatible with the SINUMERIK 840D sl system.What are the primary benefits of this NCU?Key advantages include superior processing capabilities for complex CNC tasks, real-time axis and spindle control for precise machining, and advanced diagnostic features for simplified maintenance.How many axes/spindles can this unit manage?Each NCU 720.3 PN Advanced is capable of precisely controlling up to 10 axes/spindles.What communication interface does it utilize?The unit features a high-speed PROFINET interface for robust and real-time data exchange.Is software included with the purchase?Yes, the unit comes with essential system software pre-installed for immediate commissioning.

🇺🇸 Ships from our Florida warehouse
1-Year PALM Parts Warranty
CONDITION
$7,529.00
3 in stock

USA — Free FedEx Priority & UPS Ground · Worldwide shipping available

For more quantity please contact Customer Service

Experts Available 24/7 · 365
+1 (689) 263-1985
sales@palmpartssolution.com

Fast Shipping

Dispatched quickly on in-stock items via UPS, FedEx & DHL worldwide.

Availability

Thousands of parts in stock — ready for immediate dispatch from Florida.

Payment Flexibility

AMEX, Visa, MasterCard, PayPal, Discover and wire transfer accepted.

PRODUCT DETAILS

Siemens 6FC5357-0BB23-0AE0

Overview

This is a genuine Siemens component from the Sinumerik CNC Systems family. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.

Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.

Key Features

  • Genuine Siemens catalog part
  • Tested before shipment
  • Backed by PalmPartsSolution warranty
  • Cross-reference and revision assistance available
  • Compatible with the broader Siemens automation ecosystem
  • Engineered to integrate inside Sinumerik CNC Systems installations

Compatibility

When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Siemens equipment. Where applicable, confirm:

  • Input/output voltage and current rating
  • Communication protocol and network role
  • Mounting form factor and footprint
  • Operating temperature, humidity, and IP rating
  • Required certifications (UL, CE, ATEX, marine, etc.)

Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.

Replacement Information

Three ways to source this part through PalmPartsSolution:

  1. Exact replacement — same Siemens catalog number, new or refurbished, tested and warrantied
  2. Form-fit-function equivalent — alternate revision or build that drops in without code changes
  3. Engineered migration — current-generation Siemens platform with documented conversion notes for the Sinumerik CNC Systems family

Contact our engineering team if you need help choosing between these tracks.

Technical Specifications

The Siemens 6FC5357-0BB23-0AE0 is built to exact standards, ensuring reliability and peak performance:

  • Siemens Identifier: 6FC5357-0BB23-0AE0
  • NCU Model: 720.3 PN Advanced
  • System Software: Included (Pre-installed)
  • Communication Interface: PROFINET
  • Mounting: Designed for seamless cabinet installation
  • Control Capacity: Capable of controlling up to 10 axes/spindles per NCU
  • Cooling Method: Efficient internal air cooling
  • Power Supply: Reliably powered via SINAMICS S120 power modules
  • Compatible Control System: Fully compatible with the SINUMERIK 840D sl system

Applications

Versatile and robust, the Siemens 6FC5357-0BB23-0AE0 is perfectly suited for a multitude of industrial applications:

  • Compact CNC Milling and Turning Machines: Enhances precision and speed in smaller, high-performance machining centers.
  • Modular Machine Tools: Provides a flexible and powerful control backbone for reconfigurable manufacturing systems.
  • High-Precision Automation Systems: Essential for applications demanding sub-micron accuracy and repeatable performance.
  • Multi-Axis Motion Control Setups: Manages complex coordinated movements across multiple axes and spindles with ease.
  • OEM Machine Integration: An ideal component for original equipment manufacturers looking to incorporate advanced CNC capabilities.
  • Robotics and Handling Systems: Empowers robotic systems with enhanced accuracy and faster response times.

Why Choose the 6FC5357-0BB23-0AE0?

This model offers optimized performance for CNC environments, delivering exceptional speed and accuracy that directly translates into higher quality parts and increased output. It ensures seamless integration within the Siemens ecosystem, guaranteeing perfect compatibility and communication with Siemens SINAMICS drives and other components.

Availability & Shipping

  • In stock: 6FC5357-0BB23-0AE0 ready for immediate dispatch from our Florida warehouse.
  • Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
  • Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
  • Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
  • Buy with confidence: Every 6FC5357-0BB23-0AE0 ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Siemens

It is a SINUMERIK NCU 720.3 PN Advanced control unit, designed for high-performance industrial automation and compatible with the SINUMERIK 840D sl system.

Machine down? We ship parts the same day.

New, surplus, and refurbished Siemens inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.

CUSTOMER REVIEWS

What Verified Buyers Say

No reviews yet for this product. Be the first verified buyer to share your experience — we email a review invitation after every purchase.

Independent Supplier Notice

PALM Parts Solution operates as an independent industrial automation supplier and is not an authorized distributor or affiliate of any listed manufacturer or brand name. Manufacturer trademarks and product names are used solely for identification purposes. Original manufacturer warranties do not apply. All products sold by PALM Parts are backed by our own 1-year warranty.

Product Condition & Firmware

All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.

Are you an Electrical Distributor?Learn more about our distributor program

PALM Parts Solution sells used surplus products. PALM Parts Solution is not an authorized distributor, affiliate, or representative for the brands we carry. Products sold by PALM Parts Solution come with PALM Parts Solution's 1-Year Warranty and do not come with the original manufacturer's warranty. Designated trademarks, brand names and brands appearing herein are the property of their respective owners. This website is not sanctioned or approved by any manufacturer or tradename listed.

Read full disclaimer →