125 hp (90 kW) VFD, 3 Phase 220V, 415V, 480V

Low cost 125 hp (90 kW) VFD for induction motor speed controls, three phase 220V, 415V, 480V energy saving variable frequency drive, direct sale by manufacturer in wholesale price.
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Delivery date: 6 - 12 Days

125 hp heavy duty variable frequency drive, three phase 220V, 415V, 480V for selection.


Basics Model GK3000-4T0900G/ GK3000-2T0900G
Capacity 125 hp (90 kW)
Shipping weight 50 kg
Dimension 618*398*306 mm
I/O Feature Rated current 176A at 380V ~ 480V, 380A at 220V ~ 240V
Input voltage 3 phase 220V /415V /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: Using VFD to improve motor efficiency
The induction motor system will be more efficient on a variable frequency drive (VFD) than a soft starter. If you have a 6-pulse VFD the inefficient motor will look like 98.5% efficient, on an 18-pulse VFD it will look like 96.5% efficient. The DC bus of the VFD can supply the VARs to the load making it look all the more efficient. VFDs are great for making poor power factor motors look better but really do not make sense if you just run at 100% speed due to you will have the conversion losses.

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