170-AAI-520-40, Modicon, I/O Base, 4 Channel
UNS = Unused Surplus REF = Refurbished
In addition to supplying this Modicon 170-AAI-520-40 I/O Base, 4 Channel, we have an Exchange Program for all our In-Stock, ready-to-ship products. Buy a 170-AAI-520-40 and buy with confidence! We offer a one (1) year warranty on all in-stock items.