SINUMERIK Rack 3M Basic Control 4B. Compatible with Sinumerik 3. Used. Sourced to order through our supplier network — lead time confirmed at the time of quote.
| Compatible systems | Sinumerik 3 |
| Condition | Used — pulled from a working machine, tested before dispatch |
| Warranty | 30 days functional |
| Lead time | Source to order — 2–4 weeks, confirmed on quote |
| Image note | Siemens brand logo — product photo unavailable. |