6SN1118-0DH21-0AA0
Buying 6SN1118-0DH21-0AA0 from Flexa Systems
Buy the Siemens 6SN1118-0DH21-0AA0 servo drive, available on request in brand new or refurbished condition, or send yours to Flexa Systems for repair. This unit is not currently on the shelf, so request a quote and our team will source this exact part number for you. A servo drive like this one powers a motion axis, so when it fails the machine it serves usually stops, whether that is a machine tool, a handling axis or a packaging line.
When replacing it, compare the full part number on the rating plate of your existing drive, confirm the servo motor and feedback device it runs, and save the drive parameters before removal. Every unit is tested before it leaves Lewisville, Texas, and carries a 2-year warranty, while refurbished units typically save 30-60% over brand new.
Repair option: send in your faulty unit for component-level repair — $950.00 with free diagnostics, a 2-year warranty, and a 5–30 business day turnaround. Repair typically costs 40–70% of a new unit, saving you 30–60%. Learn more about our Siemens repair and servo drive repair service.
6SN1118-0DH21-0AA0 at a glance
| Part Number: | 6SN1118-0DH21-0AA0 |
| Manufacturer: | Siemens |
| Type: | SIMODRIVE 611-D CLOSED LOOP PLUG-IN UNIT |
| Communication: | PROFIBUS DP |
| Feedback: | Encoder feedback |
| Enclosure: | IP20 |
| Software: | SIMODRIVE 611-D configuration tool |
6SN1118-0DH21-0AA0 FAQ
What should I match before installing a 6SN1118-0DH21-0AA0 servo drive?
Check that the rating plate on your old drive reads exactly 6SN1118-0DH21-0AA0. Confirm that the servo motor and feedback type match your existing setup, and back up the drive parameters so the axis can be recommissioned without retuning from scratch.
How can I get a 6SN1118-0DH21-0AA0 when none are in stock?
It is available on request in brand new or refurbished condition. Request a quote with your quantity and preferred condition, and Flexa Systems will reply with availability and pricing.
Can I trade in a failed 6SN1118-0DH21-0AA0?
Yes. Use the Trade-In button on this page for a free evaluation, and the credit is applied toward the purchase of your replacement.
