Automatic Transfer Switch, Phase Single, Current Rating 400 A, Service Rated Transfer Switch Yes, Rated Voltage 120/240V AC, Maximum Wattage 96,000 W, Enclosure Material Aluminum, NEMA Enclosure Rating 3R, Lockable No, Compatible with Series RTS, Overall Height 48 in, Overall Width 21 13/16 in, Overall Depth 10 in, Automatic Exerciser Yes, Manual Override Yes, Re-Transfer Time Delay 15 sec, Color Gray, Compatible with Brand Generac