Stepper Motor Drive System. Servo Motor Drive System. Gearbox & Speed Reducer. 4KW 5.4HP 9.6A Variable Frequency VFD Drive Inverter 380V fr Motor speed control. 1 x 4KW VFD Inverter 1 x 5 meters panel control cable. 4Khz 6Khz 8Khz 10Khz. Forward (positive) and reverse rotation. Seven stage of speed. AI/AO, DI/DO, Relay output. 0-95% Relative Humidity(without dew). Industrial flame retardant ABS plastics. LK350 series is compact high performance VFD, it has 7 main functions, such as forward/reversal rotation, point movement, seven stage of speed, sleep function, analog input and output, digital output, relay output. Adopting high quality components, quality assurance, Quick responding speed, high suitability, Use-friendly keyboard panel, easy to operate, and can be installed on the door of the control cabinet or elsewhere through the 5 meter extension cable, Big fin and fan cooling. It is widely used in fan speed control and noise reduction, water pump constant pressure water supply, and machine speed control in the field of engraving machine, conveyor belt, woodworking machinery, food packaging machinery, textile machinery, printing machine, circular loom machinery, drying machinery, backflow welding and flowing water production line, stripping machine, cutting machine, shot blasting machine, and so on. Feedback is very important to us. It is impossible to address issues if we do not know about them! Faction is our ultimate goal. We work hard to earn your trust and future business. A If you receive a defective item, you may return it or ask for a discount. Like LCD screen, industrial burner accessories, printer accessories, instrument accessories, and other fields solutions, we supply Sumsung, LG, AUO, Xinje, Riello, Honeywell, Dungs, Mitsubishi, Siemens, Heidelberg machine parts and The international famous brand accessories etc. Due to time zones, our reply to your questions may not be immediately. But within above working time, we w. If it’s non-workdays, please kindly be patient and wait till Monday.