... )≤2mode of connection3 phase 4 linecontrol systemmicrocomputer control systemEDCHigh elastic rubber shock absorbersengineEngine typeNTA855-G. ... voltages, unit three-phase phase voltage, frequency, line current, line current, active power, power factor, total runtime ... battery voltage downtime protection, emergency stop, remote control, support expanding RS232 communication module (MODBUS agreement), ...