40 hp (30 kW) VFD, 3 Phase 230V, 420V, 480V

High quality 40 hp (30 kW) VFD with low cost, three phase 230V, 420V, 480V variable frequency drive, strong overload capacity, brand new direct sale by manufacturer.
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Delivery date: 6 - 12 Days

40 hp (30 kW) heavy duty variable frequency drive, three phase 230V, 420V, 480V for selection.


Basics Model GK3000-4T0300G/ GK3000-2T0300G
Capacity 40 hp (30 kW)
Shipping weight 30 kg
Dimension 500*296*276 mm
I/O Feature Rated current 60A at 380V ~ 480V, 112A at 220V ~ 240V
Input voltage 3 phase 230V /420V /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: In today's time, most of control algorithms are available by way of standard blocks or configurable based on IEC 61131 standard in any VFDs excluding very few models/ manufacturers who still depend upon add on hardware for different applications either for making VFD systems cost effective & competitive or due to ignorance of technologies.

VFD will definitely result in energy savings. More can be expected in the 40 - 70% speed range. But one has to see the motor characteristics as well consider the combined effect of the VFD and the motor while evaluating the saving. It will be better to study the whole system before embarking on a costly VFD installation.

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