3hp (2.2kW) VFD, Three Phase 220V, 380V, 480V

Affordable 3 hp (2.2 kW) VFD, three phase 220V, 380V, 480V variable frequency drive, IP20 enclosure, RS485 enabled, V/F & vector control, brand new direct sale by manufacturer.
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Delivery date: 6 - 12 Days

3 hp variable frequency drive, three phase 220V, 380V, 480V for selection.


Basics Model GK3000-4T0022G/ GK3000-2T0022G
Capacity 3 hp (2.2 kW)
Shipping weight 3 kg
Dimension 230*118*153 mm
I/O Feature Rated current 5.1A at 380V ~ 480V, 9A at 220V ~ 240V
Input voltage 3 phase 220V /380V /480V AC ±15% (Optional)
Input frequency 50Hz/ 60Hz
Output voltage 3 phase AC 0~input voltage
Output frequency 0.00~400.00Hz
Over load capacity 150% of rated current for 1 minute, 180% of rated current for 3 seconds
Control Feature Control mode V/F control;
Sensorless vector control;
Communication RS485
Speed regulation 1:100
Start torque 150% of rating torque at 1 Hz
Speed control accuracy ≤±0.5% of rating synchronous speed
Frequency precision Digital setting: max frequency x± 0.01%;
Analog setting: max frequency x± 0.2%
Frequency resolution Analog setting: 0.1% of max frequency;
Digital setting: 0.01Hz
Torque boost Automatic torque boost, manual torque boost 0.1%~30.0%
Interior PID controller Be convenient to make closed-loop system
Automatic energy save running Optimize V/F curve automatically based on the load to realize power save running
Automatic voltage regulation (AVR) Can keep constant output voltage when power source voltage varies.
Automatic current limiting Limit running current automatically to avoid frequent over-current which will cause trip
Environment Enclosure rating IP 20
Temperature –10℃~ +40℃; VFD will be derated if ambient temperature exceed 40℃; each rise 1℃, the derate will be 5%
Humidity 5%-95%, without condensation
Altitude ≤1000m; VFD will be derated if above 1000m
Impingement and oscillation Normal running:<5.9m/s2 (0.6g); Transportation:<15m/s2 (1.5g)
Store environment –20℃~ +60℃; no dust, no corrosive gas, no direct sunlight


Tips: VFD derating on altitude & temperature
While derating variable frequency drives (VFD) for altitude varies from manufacturer to manufacturer, as long as you are de-rating the VFD to meet the environment (temperature & altitude) you really shouldn't have a problem finding a VFD. I use a factor of 1% per every 328 feet above 3280 feet. Using that method, you will need to oversize the VFD by 20% to properly work over 10,000 feet, for example, you should go to a 5hp VFD instead of a 3hp VFD for that altitude. That, of course, doesn't account for the extreme cold temperatures which will be a problem, in such condition the operating and storage temperatures can be overcome by proper thermal management like putting a heater into the enclosure of the VFD. The storage temperature is about 20 degrees F lower that what is recommended by most VFD manufacturers but it may be tolerated.

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