Part number 6ES7131-4BD01-0AA0: Siemens PLC / I-O module. A refurbished unit, tested before dispatch, typically sourced in 7–15 days.
| Compatible systems | |
| Condition | Refurbished — bench-tested and re-certified |
| Warranty | 90 days functional |
| Lead time | Source to order — 2–4 weeks, confirmed on quote |
| Weight | 2.00 kgs |
| Availability | Immediate shipment |
| Image note | Siemens brand logo — product photo unavailable. |