... , VF 2. Speed: 0.-600Hz 3. High-end Chinese brand; 4. ISO9000 5. CE EM303A Frequency inverter1-phase 220V+/-20%, 0 ... .4 - 4kW3-phase 220V +/-20%, 0.4- 200kW3-phase 380V +/-20%, 0.75-400kW ... .01-600.00HzDigital channels: 7 inputs, 2 outputs, programmableAnalog channels: 4 inputs, 2 output1 set of relay( NO / NC selectable)LED ...