Plus, it offers convenience, fitting neatly between two stackable inverter units and keeping receptacles off the ground. Feature:. Application: Parallel operation for 2,000 Watt inverters. Amps: 30. Volts: 120. Dimensions: 19 1/2L x 4W x 3 1/8H inches. Designed specifically for use with Category 5 (Powered by Champion) stackable 2000W inverters. RV ready. L5-30 and TT30R RV receptacles. No tools required.