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    • Simatic S7-300, module of binary inputs SM 321, 16 inputs/48-125V DC - 6ES7321-1CH20-0AA0

    • 6ES7321-1CH20-0AA0
    • Manufacturer: Siemens
    • Manufacturer's code: 6ES73211CH200AA0
    • Availability: None None
    Simatic S7-300, module of binary inputs SM 321, 16 inputs/48-125V DC, optical isolation, needed connection 20 PIN
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