... , constant,vairable torque mode VD4 series single phase, 220V AC 1.5~2.2KW inverter VD4-21P5Suitable motor: 1.5KW, rated output current ... : 7.5A, External Dimension: 83*210*152mmVD4-22P2Suitable motor: 2.2KW, rated output current: 10A, External Dimension: 83*210 ... /F curve, 1 V/F curve mode by user and 3 kinds of torque-derating modes (2nd power, 1.7th power ...