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    30 hp (22 kW) VFD, 3 Phase 208V, 440V, 460V

    5 out of 5 based on 3 reviews | Write a review
    Cheap price 30 hp (22 kW) VFD, three phase 208V, 440V, 460V high performance variable frequency drive, IP20, RS485 enabled, brand new direct sale by manufacturer.
    SKU: GK3000-4T0220G
    30-day Returns
    Free Shipping
    Delivery date: 6-12 days

    30 hp (22 kW) high performance variable frequency drive, three phase 208V, 440V, 460V for selection, manufacturer direct sale.


    Basics Model GK3000-4T0220G/ GK3000-2T0220G
    Capacity 30 hp (22 kW)
    Shipping weight 8 kg
    Dimension 330*200*200 mm for GK3000-4T0220G/ 555*310*260 for GK3000-2T0220G
    I/O Feature Rated current 45A at 380V ~ 480V, 91A at 220V ~ 240V
    Input voltage 3 phase 208V /440V /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 overheated
    Overheating is also a relatively common failure of VFD, which is mainly caused by high environment temperature, fan locked-rotor, poor temperature sensor performance or motor overheating.
    For example, a 30 hp VFD displays "OH" after running for about half an hour.
    Analysis and maintenance: Because the failure happens after a period of running, so the temperature sensor is not likely to be broken. Maybe VFD temperature is truly high. After power on, find the fan is slowly rotating, and there is a lot of cotton inside the shield (VFD is used in the textile industry). After cleaning the fan, VFD runs well, and doesn't display the failure for hours of running.

    Existing reviews of 30 hp (22 kW) VFD, 3 Phase 208V, 440V, 460V
    A series of question about VFD
    can the VFD start normally after removing the motor?
    After the VFD displays the E09 fault, please click the shift key on the panel >> to switch to b-12. What is the current value displayed by b-12 in A?
    The VFD does not display E09 fault
    The VFD starts, the motor turns and tightens up the chains and then stops, will NOT drive the chains with a load on them
    The drive does not fault, it just sits there trying
    You can tell the motor is trying to move, it maintains tension on the chain but will not move it
    If you stop the VFD, the chain gets loose again
    That is all the info available
    From: Colin | Date: 23/10/2023
    Was this review helpful? Yes No (0/0)
    ATO Responded
    Based on your description, we think the 30HP VFD should be overloaded, because after removing the motor, it can run normally without load.

    Therefore, the chain connected to the motor should be a heavy load.
    In order to verify this problem, you can ask your customer to remove the chain on the motor, remove the tension, and then VFD and motor again to check whether the 30HP motor can run without load?

    If the motor can run without load, it means that the load of the chain is very large and the VFD is overloaded.
    What is the best way to set up the parameters for the motor I have installed in the system?
    I am not using the displayed numbers. I have attached a True RMS and an RMS clip-on ampere meter to both the input and out terminals. The difference between the True RMS and RMS meters on the input terminal is about 1.5, which makes sense since you are assuming a 1.5 delta between the numbers. One thing both meters agree on is the output of the VFD. They both agree the ampere's read there are just about 30 AMPs. This does not change much if there is a load or not, which surprised me. What surprises me is when there are no restrictions to the flow of water through the pump, the amperes are really high on the input side. Yet when I constrict the flow, the input amps drop like a rock. I would have thought the amps would be greater with a restriction since the pump needs to work harder to push the water. But I'm wrong. What is the best way to set up the parameters for the motor I have installed in the system? Should I peck in the configuration information, or does the Senseless Vector control perform the best?
    From: Abys | Date: 11/08/2023
    Was this review helpful? Yes No (0/0)
    ATO Responded
    Please do not worry, we think your VFD is working fine. In fact, the current output by the VFD is related to the operating load capacity of the pump: when you do not limit the flow, the pump needs to run at full speed, and the load is larger, and the relative current is larger. Conversely, when the pump is limiting flow, the pump does not need to run at full speed to reach the target water flow, and the current is relatively low, which is normal. Now you just need to change the circuit breaker on the input side of the VFD to a larger capacity 80A. VFD does not need to set motor parameters.
    3 phase vfd can be run CNC spindle motors?
    My supply voltage is 3 phase, 480V, can I use your 3 phase drive, and adjust its output to 380V, 400Hz to run my CNC spindle motor?
    From: Kennedy | Date: 01/08/2021
    Was this review helpful? Yes No (0/0)
    ATO Responded
    Yes, of course.
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