Siemens 6FC5357-0BB33-0AE2 SINUMERIK 840D/DE NCU control module NCU 573.3
Siemens 6FC5357-0BB33-0AE2 SINUMERIK 840D/DE NCU control module NCU 573.3
Part number 6FC5357-0BB33-0AE2
Also written as 6FC53570BB330AE2·6FC5 357-0BB33-0AE2
1 left in stock
Siemens 6FC5357-0BB33-0AE2 is an NCU 573.3 (Pentium III) numerical control unit for the SINUMERIK 840D/DE CNC system. The NCU runs the NC, PLC and drive-bus communication, linking to SIMODRIVE drives over the device bus and to programming devices and operator components over MPI. The label reads VERSION: F and OHNE SYSTEMSOFTWARE, so the unit is supplied without system software; the software must be loaded or supplied separately to match your machine. Also searched as 6FC53570BB330AE2.
Specifications
| Manufacturer | Siemens |
| Part number | 6FC5357-0BB33-0AE2 |
| Product | NCU 573.3 Pentium III |
| System | SINUMERIK 840D/DE |
| Hardware version | F |
| System software | None (OHNE SYSTEMSOFTWARE) |
| Label serial | S T-V92053116 |
| Label code | GWE-570038963511 |
| Origin | Made in Germany |
| Approvals | UL Listed IND CONT EQ 58RA, CE marked |
| Front panel labels | LINK MODULE, X121 DEVICE BUS, X130A / SIMODRIVE, PG MPI X102/X101 |
| Front connectors | High-density D-sub ports, DB25-style DEVICE BUS port, additional sub-D ports |
| Front controls | Rotary/DIP switches, status LEDs |
| Expansion | Card-edge slot (PCMCIA/CardBus-like) with plug-in daughter card |
| Mezzanine slots | 2 edge-connector slots with smaller boards fitted |
| Logic | Altera MAX EPM7256 CPLD, Siemens ASICs, SRAM/flash |
| Cooling | Finned aluminum heatsink over socketed processor area |
| Mounting | Card frame with front I/O faceplate |
| Condition | Used-Tested |
| Warranty | 14-30 days depend on the parts |
Condition & testing
Used, tested. Pulled from service. Visible general wear, light dust and scattered component-level solder marks; no missing hardware observed. Plug-in daughter card and two mezzanine boards are fitted. Supplied without system software.
Compatibility
SINUMERIK 840D/DE
What's included
NCU 573.3 module (6FC5357-0BB33-0AE2) with fitted daughter card and mezzanine boards. No system software.
Before you order
- Unit is supplied without system software (OHNE SYSTEMSOFTWARE); load or source the NC software matching your machine.
- Hardware version F is on the label; confirm it matches the version required by your system and software release.
- Parameters, PLC program and machine data from the old NCU must be restored or re-loaded after replacement.
Compatible & Related
FAQs
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What payment methods can I use?
We accept all major credit cards (Visa, Mastercard, American Express), PayPal, and bank transfers for B2B orders. For large industrial orders, we also offer invoice payment with NET-30 terms for verified business customers.
Are the parts on your website tested and genuine?
Yes. Every part sold by Samonde is professionally tested by our technicians in Tallinn before shipping. We source directly from decommissioned industrial equipment, authorized distributors, and certified surplus stock. Each item comes with a functionality warranty.
Do you offer warranties on industrial spare parts?
Absolutely. All parts come with a minimum 14-30 day warranty. Many items, especially Siemens and Heidenhain components may have include extended 90-day coverage (depends on the parts). If a part fails during the warranty period, we offer replacement or full refund.
Can you source a part that is out of stock?
Yes. If you need a specific Siemens, Heidenhain, Fanuc, or other industrial part that is currently out of stock, contact us with the part number. Our sourcing team across Europe can usually locate hard-to-find automation components within 5-10 business days.
How do I know I'm ordering the correct part for my machine?
Each product listing includes the exact manufacturer part number (MPN), compatibility notes, and photos of the actual item. If you are unsure, send us your machine model and part number via the Contact page or WhatsApp, and our engineers will verify compatibility before you purchase.
Do you ship internationally outside the EU?
Yes. Samonde ships worldwide from our EU warehouse. We offer UPS and DHL Express and standard freight options to North America, Asia, Middle East, and South America. All shipments include tracking and customs documentation.
Siemens 6FC5357-0BB33-0AE2 SINUMERIK 840D/DE NCU control module NCU 573.3