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- Condition: Used
- Brand: Siemens
- Model: 6ES7 421-1BL01-0AA0
- MPN: N/A
- Country of Manufacture: Germany
- Siemens Simatic S7 SM 421 Digital Input Module
- 32 Digital Inputs
- 24V DC
- Input Current: 20mA
- Shows normal signs of usage
