... -performance energy saving Inverter3-phase 380V, 0.75-400 kW (standard)3-phase 220V, 0.4-200 kW (customized)EM303A is ... extruder, pump,Technical specificationControl mode: OLV, V/F, Frequency width: 0.01-600.00HzDigital channels: 7 inputs, 2 outputs, programmableAnalog channels ... ( AVR)Built-in braking chopper for standard inverter 0.75-15kw3 separate AC chokes on input side of standard inverter 90 ...