Automatic Transfer Switch, Phase Single, Current Rating 100 A, Service Rated Transfer Switch No, Rated Voltage 120/240V AC, Maximum Wattage 24,000 W, Enclosure Material Steel, NEMA Enclosure Rating 3R, Lockable No, Compatible with Series RXS, Overall Height 20 in, Overall Width 14 5/8 in, Overall Depth 7 1/16 in, Automatic Exerciser Yes, Manual Override Yes, Re-Transfer Time Delay 15 sec, Color Gray, Compatible with Brand Generac