Specification Brand : ATO.COM Label : ATO Manufacturer : ATO MaterialType : iron NumberOfItems : 1 PackageDimensions_Weight : 6.66016493502 PackageDimensions : L:11.0 X W:9.0 X H:7.0 PartNumber : ATO-GK3000-4T0022G-002 ProductGroup : CE ProductTypeName : POWER_INVERTER Publisher : ATO SmallImage_Height : 75 SmallImage_URL : https://m.media-amazon.com/images/I/419FXWy0IkL._SL75_.jpg SmallImage_Width : 75 Studio : ATO Title : ATO 3hp (2.2 kW) 480V Three Phase VFD Inverter, AC 3-Phase 480V Input Output VFD Variable Frequency Drive, for Spindle Motor Speed Control (480) Weight : 6.7 WeightUnit : pounds