... pumps, compressors, mills, conveyors and lifts 1. Variable Frequency Drive characteristicsVFD is a masterpiece of outstanding performance ... new type of IGBT with advanced microcomputer control.High-High voltage resource VFD, direct 3, 3.3, 4.16, 6, 6.6, 10, 11 kV input, direct 3, 3.3 ... failure message in local interface and send the alarm to user's remote interface. Local/ remote control; ...