Automatic Transfer Switch, Voltage 208, Phase 3, NEMA Enclosure Type 3R, Load Transition Type Open, Standard Installation, Max. Amps 800, Height 66 in, Width 36 in, Depth 21 in, Enclosure Material Steel, 2-Wire Start No, Warranty 2 yr, Automatic Exerciser Yes, Gray, For Use With QT07068GNAC, QT07068GVAN, QT10068GNAC, QT10068GVAC, QT13068GNAC, QT13068GVAC, QT15068GNAC, QT15068GVAC, QTO7068GNAX, QTO7068GVAC QTO8046GNAX, QTO8046GVAX, Lockable Yes, Manual Override Yes, Max. Wire Size 500 MCM