Allen-Bradley 1791D-OB16P I/O Compact Block Output module

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Allen Bradley 1791D-8B8P CompactBlock I/O 8 Input 8 Output 24V DC Module OEM

Allen Bradley 1791D-0V16PX CompactBlock I/O DeviceNet 16 Point Output Module

Allen Bradley 1791D-8B8P Devicenet Compact Block I/o Module Ser C

Allen-Bradley 1791-16AC Ser B Block I/O Module ** GREAT WORKING CONDITION!! **

Allen Bradley 1791D-16V0X Ser D Rev A01 CompactBlock I/O, 16 Inputs, DC Power

Allen-Bradley 1791D-16B0x Compactblock I/O 16 Sinking Input Expansion Module