... CE, ISO9000 certification single phase, 220V AC 1.5~2.2KW inverter VVVF control, constant,vairable torque mode VD4 series single phase, ... 220V AC 1.5~2.2KW inverter VD4-21P5Suitable motor: 1.5KW, rated output current: 7 ... to avoid trip caused by over-currentFix-length controlThe frequency inverter will stop when reaching the fixed lengthCommunicationfunctionWith RS485 port, ...