Voltage : 380V Single-unit power : 1.5-400kW (frequency inverter) ......AC drive,frequency inverter, frequency converter......1. Open-loop vector control2. built-in braking chopper for 45kw or below, external DC choke for 93kw or above3. Built-in PLC,Built-in PID regulator4. 16-step speed5. traverse operation 6. Continuous operation function at momentary power failure7. Perfect fault protection ...