GenTran KIT3026 Prewired Manual Transfer Switch Kit for 6-10 Circuits and Generators up to 7500-Watt (Discontinued by Manufacturer) The GenTran manual transfer switch kit connects to THE existing load center like a subpanel Compatible with any portable generator up to 7500-watt continuous Includes prewired transfer switch, power inlet box, 10-foot cord, and extra 20-amp plug A 60-amp, 2-pole main breaker is required in existing load center; not included; UL listed Made in USA; measures 9-1/4 by 11-1/8 by 3-3/8 inches