220V Single-Phase to 380V Three-Phase VFD Frequency Inverter — 0.75/1.5/2.2/4/5.5/7.5/11kW (4kW & 5.5kW Models)

Compact variable frequency drive that converts single-phase 220VAC input to three-phase 380VAC output for precise AC motor speed control. Available power ratings: 0.75KW / 1.5KW / 2.2KW / 4KW / 5.5KW / 7.5KW / 11KW. Designed for industrial duty with open-loop vector (SVC) and standard V/F control modes, PWM control and sensorless vector capability for low-speed torque performance. Key electrical specs - Input voltage: AC 1PH 220 ±15% (50Hz/60Hz) - Output voltage: AC 3PH 380V ±15% (also referenced as AC 3PH 0V-380V) - Output frequency: commonly 0~400Hz (spec sheet also notes 0Hz–650Hz) - Rated frequency: 50hz / 60hz - Control methods: Open loop vector control (SVC), V/F control, PWM control - Built-in filter and optional RS485 communication - Protection rating: IP20 Protection & reliability - Up to 25 fault protections including over-current, over-voltage, under-voltage, over-temperature, phase loss, overload and more - Double-layer PCB design for improved safety and lower failure rate - Motherboard treated with three-proof paint for dust resistance and stability Construction & cooling - Flame-retardant industrial ABS plastic shell: heat-resistant and impact-resistant - Efficient cooling using an all-aluminum base hot plate combined with a high-performance imported fan for fast heat dissipation - Human-friendly keypad with clear display for convenient operation Typical functions - Speed control and adjustment of AC motors - Low-frequency high-torque performance via sensorless vector control - Multi-speed preset adjustment Dimensions and model-specific data - Smaller units (0.75KW / 1.5KW / 2.2KW) size: 85mm * 125mm * 150mm (also referenced as 82mm * 135mm * 155mm) - 0.75KW: Input 220(+/-15%), Output 380VAC, Input Frequency 50/60Hz, Output Frequency 0~400Hz, Rated current 2.5A, Input Phase 1, Output Phase 3 - 1.5KW: Input 220(+/-15%), Output 380VAC, Input Frequency 50/60Hz, Output Frequency 0~400Hz, Rated current 3.7A (listed) / 3.5A (table), Input Phase 1, Output Phase 3 - 2.2KW: Input 220(+/-15%), Output 380VAC, Input Frequency 50/60Hz, Output Frequency 0~400Hz, Rated current 5A, Input Phase 1, Output Phase 3 - Mid units (4KW / 5.5KW) size: 172mm * 125mm * 165mm - 4KW: Input 220(+/-15%), Output 380VAC, Input Frequency 50/60Hz, Output Frequency 0~400Hz, Rated current 8.5A, Input Phase 1, Output Phase 3 - 5.5KW: Input 220(+/-15%), Output 380VAC, Input Frequency 50/60Hz, Output Frequency 0~400Hz, Rated current 13A, Input Phase 1, Output Phase 3 - Higher ratings (7.5KW / 11KW): Matching motor power options and rated currents: 16A (7.5KW) and 25A (11KW) as listed in product data Applications - Suitable for crushers, grinders, water pumps, textile machines, wood cutters, exhaust fans, blowers and other industrial motor-driven equipment. Additional notes - Product function highlights: low frequency high torque, sensorless vector control, standard V/F control and multi-speed adjustable presets. - Demonstration video available for inverter conversions from 220 to 380V including 11KW and models 0.75KW / 1.5KW / 2.2KW. This inverter family provides flexible control options, robust protection features and compact footprints across multiple power ratings for single-phase 220V to three-phase 380V motor applications.