Can be used on either inverter model (2000 or 3000-watt) or combination of both inverters (2000 and 3000-watt). Includes a 30A, 120V outlet and a 20A, 120V duplex receptacle. The largest appliance that can be run is 3500 watts - even with (2) GEN-3000-IMM0 inverters. It is limited by the 30A outlet.