... 3 phases, AC380V, 0.75~3.7KW inverter VVVF control, constant,vairable torque mode VD4 series, 3 phases, AC380V, 0.75~3.7KW inverter ... 6.0A, External dimension: 83*210*152mmVD4-43P7Suitable motor :3.7KW, Rated output current: 9.6A, External Dimension: 83 ... avoid trip caused by over-currentFix-length controlThe frequency inverter will stop when reaching the fixed lengthCommunicationfunctionWith RS485 port ...