4kw 380v Variable Frequency Drive VFD Inverter  3HP  Input  3HP Output 

Application
Metallurgy, petroleum, chemical, textile, electricity, building material, coal, medicine, food, paper making, plastic,

printing, lifting, cable, washing, water supply, HVAC, sewage disposal and other industries.

-Machinery:winding machine,mixer, extruder,slitter,winder,compressor,ventilator,pump,grinder,conveyor,elevator,centrifuger and other speed control machines.
-PID control: advanced calculous PID closed-loop arithmetic,quick responding speed and high suitability;
-Easy PLC function can realize 16 legs of speed and inverter control function;
-RS485 communication port,adopting standard international MODBUS main circuit control
-With extremely strong anti-jamming capability;
-Low output ratting torque 0.5HZ-150%,low speed running ability;
-Carrier adjustable by 16KHZ,completely soundless working environment;
-Broad voltage working area,normal running in 304V-456V;
-Auto voltage regulation (AVR) technique,for ensuring the inverter load capability;
-Various control technique by both synchronization and non-synchronization,dynamically realize fast starting without changing brakes;
-With perfect error protection and short circuit starting protection capability;
-Dead-time compensation and auto torque slip compensation function,can realize 180% high torque output at low frequency 0.25Hz;
-Unique EMC design,can minimize inverter’s pollution to power;
-Overall reinforcement layer to suit all kinds of harsh environmen


Tech parameters:

Input Voltage: 380V(+/-15%)
Output Voltage: 380 VAC
Input Frequency: 48-63 Hz
Output Frequency: 0-400 Hz
Input Phase: 3 phase
Output Phase: 3 phase
Warranty: 1 year from the date you purchased
Advantage:

Low price
Powful function
Restart after instant stop,stall protection.
Fuse protection,
Overload protection,
Fin over-heat protection,
Protection functions are very strong,
Control Mode is SPWM,it is very easy to use and convenient