Allen-Bradley 1747-L553 Ser B CPU Processor slc500

Allen-Bradley SLC 500 Processor Unit – 1747-L551 - SER B - REV 4 – Used/Untested

AB CPU 5/05 SLC 500 1747-L551 SER C REV 5 FRN 10

Allen-Bradley 1747-L551 SLC 5/05 PLC CPU Ethernet 10/100 SLC500 Processor

New Factory Sealed AB 1747-L551 Allen-Bradley CPU Processor Unit Module 1747L551

Allen-Bradley 1747-L551 Ser B SLC 500 CPU Processor -UNTESTED

Allen-Bradley 1747-L551 SER C SLC500 5/05 CPU Processor Unit Module New Sealed

NEW Allen-Bradley 1747-L551 SLC 5/05 CPU Processor Unit Module AB 1747L551 US