6FC5357-0BB35-0AA0
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Original Packaging
Surplus stock in its original box. Units may have been briefly powered on for verification purposes only.
- No visible signs of wear, use, or physical damage.
- Arrives in the original manufacturer packaging — factory seal may be absent and outer box may show minor shelf wear or labeling.
- All standard hardware and accessories included unless otherwise noted.
- Documentation and instructions not guaranteed.
- Date codes or product series may differ from current factory inventory.
- Packaging language and country of origin may vary.
- Backed by Marci Hardware's 1-year warranty. Original manufacturer warranty does not apply.
Marci Hardware Packaging
Surplus stock repacked and shipped in Marci Hardware-branded packaging. Units may have been briefly powered on for verification purposes only.
- No visible signs of wear, use, or physical damage.
- Ships in Marci Hardware-branded or generic aftermarket packaging — original manufacturer box not included.
- Some accessories, hardware, or documentation included with factory-new units may not be present.
- Date codes or product series may differ from current factory inventory.
- Packaging language and country of origin may vary.
- Backed by Marci Hardware's 1-year warranty. Original manufacturer warranty does not apply.
Refurbished
Previously owned or unused units with minor cosmetic imperfections, restored to full working condition.
- May have prior production or field use.
- Each unit is inspected, tested, and cleaned by Marci Hardware before shipment.
- Some accessories, hardware, or documentation included with factory-new units may not be present.
- Backed by Marci Hardware's 1-year warranty. Original manufacturer warranty does not apply.
Overnight Shipping Available
Rush service is available during checkout, or contact us for expedited shipping options:
Phone Number: (832) 343-0718
Email: sales@marcihardware.com
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Ships from Stafford, TX
The Siemens 6FC5357-0BB35-0AA0 SINUMERIK Numerical Control Unit (NCU) is a reliable CNC control hardware module designed for use with SINUMERIK 840D and 840DE CNC systems. This NCU plays a critical role in executing CNC control functions, coordinating motion control, and managing PLC interactions within high-precision machining environments.
Equipped with a 933 MHz processor, the unit delivers fast and deterministic processing required for complex CNC operations. It features a total memory capacity of 128 MB, including dedicated NC memory and PLC memory, ensuring efficient handling of part programs, machine logic, and real-time control tasks.
The 6FC5357-0BB35-0AA0 is prepared for PROFIBUS DP communication, allowing seamless integration with drives, I/O modules, and other automation components in SINUMERIK-based architectures. As an official SINUMERIK spare part, this NCU is ideal for system maintenance, replacements, and lifecycle support of existing CNC installations where reliability and compatibility are essential.
Technical Details
| Specification | Details |
|---|---|
| Manufacturer | Siemens |
| Product Type | Numerical Control Unit (NCU) |
| Product Line | SINUMERIK |
| Part Number | 6FC5357-0BB35-0AA0 |
| CNC System Compatibility | SINUMERIK 840D / 840DE |
| Functionality | CNC Control Hardware |
| Processor Speed | 933 MHz |
| Total Memory Capacity | 128 MB |
| NC Memory | 3 MB |
| PLC Memory | 128 KB |
| Communication Interface | PROFIBUS DP (prepared) |
| Product Category | Spare Part |
| Weight | 5.00 lbs (2.27 kg) |
I will ship within one business day. International buyers are welcome. IF you want Expedited Shipping we can help you as well. We can ship under your (FedeX, UPS, DHL) Account if you have one. We Do Trade-Ins as well. Customer satisfaction is our priority. Call us 8323430718
1 Year Warranty ( Manufacturer warranty DO NOT apply )