9999MX11, Square D, Electrical Interlock Kit
UNS = Unused Surplus REF = Refurbished
In addition to supplying this Square D 9999MX11 Electrical Interlock Kit, we have an Exchange Program for all our In-Stock, ready-to-ship products. Buy a 9999MX11 and buy with confidence! We offer a one (1) year warranty on all in-stock items.