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8 in stock (can be backordered)
Part No: 6ES7288-1ST40-0AA1
SIMATIC S7-200 SMART, CPU ST40, CPU, DC/DC/DC,
Onboard I/O: 24 DI 24 V DC; 16 DO 24 V DC;
Power supply: DC 20.4-28.8V DC, program/data memory 40 KB