For sale is a factory sealed Allen Bradley 1756-L61S Guardlogix CPU. Unit is a Series B, Software/Firmware Revision 1.9. This unit is brand new and never opened in factory sealed box, as pictured. Thank you for your interest.Use the FREE Counters 1 million sellers do - Andale! The item "SEALED Allen Bradley 1756-L61S/1756L61S Guardlogix CPU Series B WARRANTY" is in sale since Sunday, May 8, 2011. This item is in the category "Business & Industrial\Industrial Automation & Motion Controls\PLCs & HMIs\PLC Processors". The seller is "skinsfn" and is located in Egg Harbor Township, New Jersey. This item can be shipped worldwide.