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6ES7421-1BL00-0AA0
€ 420Siemens Simatic S7-400 6ES7421-1BL00-0AA0 SM421 Digital Input Module, Optically Isolated, 32 DI, 24V DC
S7 Automation - SIEMENS Simatic and Sinamics supplier of choice
SIEMENS supplier for PLC - HMI - Drives - TIA Portal Software