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    20 hp (15kW) VFD, 3 Phase 220V, 380V, 460V

    5 out of 5 based on 6 reviews | Write a review
    Cheap price 20 hp (15 kW) VFD, three phase 220V, 380V, 460V variable frequency drive with good performance, IP20 enclosure, RS485 enabled, brand new direct sale by manufacturer.
    SKU: GK3000-4T0150G
    30-day Returns
    Free Shipping
    Delivery date: 6-12 days

    20 hp (15 kW) high performance vector variable frequency drive, three phase 220V, 380V, 460V for selection, RS485 enabled.


    Basics Model GK3000-4T0150G/ GK3000-2T0150G
    Capacity 20 hp (15 kW)
    Shipping weight 8 kg
    Dimension 330*200*200 mm for GK3000-4T0150G/ 530*320*235 for GK3000-2T0150G
    I/O Feature Rated current 32A at 380V ~ 480V, 60A at 220V ~ 240V
    Input voltage 3 phase 220V /380V /460V AC ±15% (Optional)
    Input frequency 50Hz/ 60Hz
    Output voltage 3 phase AC 0~input voltage
    Output frequency 0Hz~1000Hz
    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: Variable frequency drive selection precautions

    1. The purpose of using VFD: Constant voltage control, constant current control or others.
    2. The load type of the VFD: Such as vane pump, displacement pump or others, pay special attention to the load performance curve, the performance curve determines the applications method.
    3. The VFD and the load matching problem:
      1) Voltage matching: The rated voltage of VFD should be accordance with the rated voltage of the load.
      2) Current matching: For ordinary centrifugal pump, VFD rated current and motor rated current should be accordant. For special loads such as deep water pumps, should refer to the motor performance parameters, use the maximum current to determine the VFD current and overload capacity.
      3) Torque matching: This situation may occur when a constant torque load or a deceleration device is present.
    4. When using VFD to drive high-speed motor, due to high-speed motor reactance is small, higher harmonics increase may cause output current value increases. So for high-speed motor, the capacity of VFD should be slightly higher than for ordinary motor.
    5. If the VFD will use long cable, should take measures to suppress effect from the long cable to the ground coupling capacitor, in order to avoid insufficient output of the VFD. So in this case, should choose a VFD with higher capacity or install a reactor on the output terminal.
    6. For some special applications, such as high temperature or high altitude, these situations will cause the VFD derating capacity, and should choose a higher capacity VFD.
    Existing reviews of 20 hp (15kW) VFD, 3 Phase 220V, 380V, 460V
    I need some instructions
    Hi, do you have instructions you could send me on what all needs to be input in the VFD before we do the autotune?
    From: Lucas | Date: 16/11/2023
    Was this review helpful? Yes No (0/0)
    ATO Responded
    After re-checking, for the synchronous motor under V/F control mode with No encoder, you can try to perform P8.37=11 (Static self-learning for synchronous motor) When done, some parameters between P8.16~P8.20 will be changed automatically. We will continue to improve the content of the manual. Thank you for your understanding.
    What numbers am I not doing right?
    My controller will not recognize the high and low pressure inputs that I need to run the irrigation system. I have a twenty hp pump and installed a 0-200psi pressure sensor when I installed the ATO controller it will shut off at 120 psi but will not restart when the pressure drops below 70psi. What numbers am I not doing right?
    From: Keran | Date: 14/08/2023
    Was this review helpful? Yes No (0/0)
    ATO Responded
    Please refer to the video link for setting:
    Please connect the two pressure sensor signal wires to the +24V and CI terminals respectively. VFD sets the JP3 jumper and sets the P7 parameter group.
    Note: When setting pressure parameters, Mpa unit should be used, and you need to convert PSI unit to Mpa unit, such as parameter P7.05, P7.08-P7.09, P7.20, etc.
    VFD program
    So there’s no way to program the VFD to alternate between the two speeds automatically?
    We were hoping it could cycle between two speeds without any external control besides a start/stop signal.
    From: coco | Date: 19/07/2023
    Was this review helpful? Yes No (0/0)
    ATO Responded
    You can use the P8 group parameters to program the VFD to cycle between two speeds.
    Please set P8.00=0103, and then set the parameters of P8.01-P8.04, which are the running frequency and time of 2 speeds.
    You can check the manual again about the P8 group PLC programming function.
    Guide for VFD
    We have a GK3000-4T0150G VFD. We would like to program it so that after we start it does the following:
    Ramp up to 25 Hz and hold for 5 seconds.
    Ramp up in a couple of seconds to 50 Hz and hold for 30 seconds, then repeat this cycle until we manually stop it. The manual is not very easy to follow.
    Can you please provide a guide to accomplish our specific application?
    From: shelly | Date: 19/07/2023
    Was this review helpful? Yes No (0/0)
    ATO Responded
    If you would like the VFD to run at 2 speeds, you only need to configure an external contact x1 to achieve it. The parameter settings are as follows:
    P0.01=2 (frequency comes from a digital given)
    P0.02= 25HZ (0 segment speed, when X1 and COM are disconnected)
    P0.03=1 (terminal control mode)
    P3.26=50HZ (1 stage speed, when X1 and COM are closed)

    You also need to configure a start signal, with a self-locking push button switch to connect the FWD terminal and the COM terminal. When you press the self-locking switch, the FWD and COM are connected, the VFD will run at 25HZ set by P0.02, and when you connect X1 and COM (through a self-locking button), the VFD will run at 50HZ. You can test.
    Also, about Multi-stage speed control of VFD, you can refer to our YouTube video:
    Efficiency of 1-phase VFD
    What is your 1-phase variable frequency driving efficiency?
    From: Marla | Date: 27/09/2021
    Was this review helpful? Yes No (0/0)
    ATO Responded
    The efficiency varies according to some factors like loading percentage, frequency change, etc.. But it's 90% on average.
    VFD recommended by ATO
    We have a job with a 240vac 1phase that I need to run a 3ph 15hp pump. Please send your recommendations for a VFD that I can purchase from you for this matter.
    From: Sarahb | Date: 04/08/2021
    Was this review helpful? Yes No (0/0)
    ATO Responded
    If you want to convert 1-phase, 240V to 3-phase, 240V to run 15hp pump. Recommended VFD would be: GK3000-2S0150G, 20hp capacity.
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