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    2 hp (1.5 kW) VFD, Single Phase Input & Output

    5 out of 5 based on 19 reviews | Write a review
    Discounted 2 hp VFD, 1 phase for single phase AC motor, 220V - 240V 9.6 amps, brand new direct sale by manufacturer.
    SKU: GK3000-1S0015
    Availability: In stock
    30-day Returns
    Free Shipping
    Delivery date: 2-3 days

    2 hp variable frequency drive, 1.5 kW, 1 phase 220V - 240V for single phase AC motor, manufacturer direct sale.


    Basics Model GK3000-1S0015
    Capacity 2 hp (1.5 kW)
    Shipping weight 2 kg
    Dimension 190*104*150 mm
    I/O Feature Rated current 9.6 A
    Input voltage single phase AC 220V±15%
    Input frequency 47~63Hz
    Output voltage 0~rated input voltage
    Output frequency 0~1000Hz
    Over load capacity 150% of rated current for 60s, 180% of rated current for 10s, 200% of rated current for 3s
    Control Features Control mode V/F, Sensorless vector control (SVC), Speed sensor vector control (FVC)
    Operation command mode Keypad control, Terminal control, Serial communication control
    Frequency setting mode Digital setting, analog setting, pulse frequency setting, serial communication setting, multi-step speed setting & simple PLC, PID setting, etc. These frequency settings can be combined & switched in various modes.
    Start frequency 0.40Hz~20.00Hz
    Speed adjustment range 1:50
    Carrier frequency 1.0-16.0kHz, automatically adjusted according to temperature and load characteristics
    Frequency accuracy Digital setting: 0.01Hz
    Analog setting: Maximum frequency * 0.05%
    Torque boost Automatically torque boost; manually torque boost: 0.1%~30.0%
    V/f curve Three types: linear, multiple point and square type (1.2 power, 1.4 power, 1.6 power, 1.8 power, square)
    Acceleration/deceleration mode Straight line/S curve; four kinds of acceleration/deceleration time, range: 0.1s~3600.0s
    DC braking DC braking when starting and stopping
    DC braking frequency: 0.0Hz~maximum frequency, braking time: 0.0s~100.0s
    Jog operation Jog operation frequency: 0.0Hz~maximum frequency
    Jog acceleration/deceleration time: 0.1s~3600.0s
    Simple PLC & multi-step speed operation It can realize a maximum of 16 segments speed running via the built-in PLC or control terminal.
    Built-in PID Built-in PID control to easily realize the close loop control of the process parameters (such as pressure, temperature, flow, etc.)
    Automatic voltage regulation Keep output voltage constant automatically when input voltage fluctuating
    Control Function Common DC bus Common DC bus for several VFDs, energy balanced automatically
    Torque control Torque control without PG
    Torque limit "Rooter" characteristics, limit the torque automatically and prevent frequent over-current tripping during the running process
    Wobble frequency control Multiple triangular-wave frequency control, special for textile
    Timing/length/counting control Timing/length/counting control function
    Over-voltage & over-current stall control Limit current & voltage automatically during the running process, prevent frequent over-current & over-voltage tripping
    Fault protection function Up to 30 fault protections including over-current, over-voltage, under-voltage, overheating, default phase, overload, shortcut, etc., can record the detailed running status during failure & has fault automatic reset function
    Input/output terminals Input terminals Programmable DI: 7 on-off inputs, 1 high-speed pulse input 2 programmable AI:
    AI1: 0~10V or 0/4~20mA
    A12: 0~10V or 0/4~20mA
    Output terminals 1 programmable open collector output: 1 analog output (open collector output or high-speed pulse output)
    2 relay output
    2 analog output: 0/4~20mA or 0~10V
    Communication terminals Offer RS485 communication interface, support MODBUS-RTU communication protocol
    Human machine interface LED display Display frequency setting, output frequency, output voltage, output current, etc.
    Multifunction key QUICK/JOG key, can be used as multifunction key
    Environment Ambient temperature -10℃~40℃, derated 4% when the temperature rise by every 1℃ (40℃~50℃).
    Humidity 90%RH or less (non-condensing)
    Altitude ≤1000M: Output rated power, >1000M: Output derated
    Storage temperature -20℃~60℃

    Note: The single phase motor should Not be adjusted to run based on a lower frequency than 80% of its rated frequency for along time, otherwise the motor may fail.


    1500W Single Phase VFD Details

    Tips: Variable frequency drive dust cleaning attentions
    In actual operation of the variable frequency drive, the device will always be affected by the environment, such as temperature, humidity, air quality and so on. Especially in the dusty production workshops, if not timely clean up the dust, the operation of the VFD will have a certain impact, or seriously lead to some problems. In the process of dust removal of VFD, there are something need to pay attention:

    1. Each VFD needs to be dust cleaned once a season.
    2. Shutdown the VFD before cleaning, and wait for the voltage down to the safety then start working.
    3. First use brush to clean the dust on the surface of the VFD, but pressure fan is not recommended for the cleaning.
    4. If the VFD surface is greasy, use a small amount of alcohol to wipe clean, and must wait for the VFD dried before booting again.
    5. In the maintenance, carefully check whether there are hot discolor parts, whether there is cracking of the cement resistance, or whether the electrolytic capacitors has expansion of leakage hole, protruding holes and other phenomena.
    6. If possible, remove the shell and use compressed air to blow out the dust inside the VFD and in the wind path. Pay attention when using compressed air because it may contain large amount of moisture. Using a vacuum cleaner is better than compressed air, because the moisture in the compressed air may cause error to the VFD.

    Running a single phase motor with VFD

    In this video, ATO will show you details about running a single phase motor on a VFD. It's important to note that there are two wiring methods for single phase motor connecting to ATO single phase VFD: wiring of removing motor capacitor & wiring of keeping motor capacitor. At first, you should choose the wiring method you needed, and then set basic parameters step by step.

    Existing reviews of 2 hp (1.5 kW) VFD, Single Phase Input & Output
    Since we are not going to run the fan with full speed power (actually it will only use about 50%), we chose this VFD. Also, the input power supply that I provide is single-phase 220VAC, and we exactly connected the wires as the attached diagram. Also, we could not see any errors when the VFD is running since when we give the power, the lcd panel shows up for few seconds and then fuse blows.
    From: Andrew | Date: 23/11/2023
    Was this review helpful? Yes No (0/0)
    ATO Responded
    1. Your fan is a single-phase motor. It is not recommended to run a single-phase motor at low speed. The speed should be kept above 35% of the rated speed. If the speed is too low, the motor can easily overheat and burn out.
    2. Where did the fuse you mentioned burnt out? Please provide us with pictures or videos for further confirmation.You can send us the large video file via
    I am having issues
    I am having issues programming the GK3000 VFD.  I am wiring a 240Vac 60hz, 1PH fan motor and I keep getting alarms E-01 and occasionally E-03.  What can I adjust to get the frequency drive working?
    From: joseph | Date: 23/11/2023
    Was this review helpful? Yes No (0/0)
    ATO Responded
    The VFD appears to be undercapacity and overloaded.You can extend the acceleration and deceleration time, modify the following parameters, and test again:
    P0.12=10 or 12 (Acceleration time; you may change the time)
    P0.13=10 or 12 (Deceleration time; you may change the time)
    PA.01=5 (motor overload protection gain)
    PA,02=100% (motor overload protection coefficient)
    If you still have problems, please send us a picture of the nameplate of the VFD and fan for further confirmation. Maybe you need to replace it with a larger VFD.
    We are in need of assistance setting up a VFD.
    Sequence will be, VFD receives start stop signal and drives to constant speed, no modulating. Need N/O status contacts. Also would like to have dry contact for enabling a relay for a damper.

    1) Where do we wire start/stop and how is it programmed?

    2) Where do we wire dry contact status? Needs to be N/O and close when fan starts.

    3) We would like to have a contact closure to control a damper actuator. Can this be accomplished with Ta, Tb and Tc contacts? When fan starts a contact would close.
    From: Mavis | Date: 16/10/2023
    Was this review helpful? Yes No (0/0)
    ATO Responded
    1. You can use the three-wire control mode of our VFD (Note: this method only applies to 3-phase motors).
    Please refer to the video link for connection and settings:
    As demonstrated in the video, to achieve the switch control function of starting and stopping the VFD that you need, you need to perform the following program settings:
    1).Set P0.03 = 1, terminal control mode
    2).Set P4.02 = 9, enable terminal X3 as 3-wire control
    3).Set P4.08 = 2, select 3-wire control mode 1
    Please refer to the wiring diagram of manual P115 in the attachment. Unnecessary control wires do Not need to be connected.

    2. Regarding the relay output, please refer to P32 and P116~P117 of the manual in the attachment.
    You can connect TA and TB to get N/O output, and set P4.12 = 0 (flip when inverter is in RUN state)
    The VFD's relay output can also be configured to flip under other circumstances, please see manual P116~P117.
    I want to use this VFD to change frequency of pumps, the nominal current for pumps (two models) are, 6.1 and 8.3 Amps. Which models should I choose?

    The pumps rated at 1.1
    From: Hesham | Date: 03/10/2023
    Was this review helpful? Yes No (0/0)
    ATO Responded
    You can use the 1.5kW VFD on this page, or go to the 2kW VFD page to purchase.
    Is there a box available for connecting?
    When installing the VFDs today the electrician said there needs to be a junction box on the VFD where they can connect the conduit for the wires or the VFDs will need to be installed in a cabinet. Is there a box available for connecting conduit that can attach to the VFD or will they need to be installed in a cabinet?
    From: Jakko | Date: 09/08/2023
    Was this review helpful? Yes No (0/0)
    ATO Responded
    Our VFD is usually installed in a cabinet with good ventilation and heat dissipation. Unfortunately, we do not provide the corresponding junction box.  You need to configure the junction box or cabinet yourself.
    Which VFD input should I connect the winding cable end to?
    I want to make sure before I buy.
    After the engine capacitors are removed, it does not work with the starting load without auxiliary winding, which input should I connect the auxiliary winding cable end to?
    From: sita | Date: 21/07/2023
    Was this review helpful? Yes No (0/0)
    ATO Responded
    Please refer to page P41 of the manual for how to remove the capacitor and reconnect it:
    Is there any problem of VFD?
    2 capacitors are available in the engine start and permanent capacitor is this a problem?
    Is there any problem?
    From: heard | Date: 20/07/2023
    Was this review helpful? Yes No (0/0)
    ATO Responded
    Please describe your problem carefully.
    If it is a single-phase motor, we do not recommend removing the capacitor, nor do we recommend that the single-phase motor run at low speed for a long time.
    A VFD for a drill press
    I was wondering if I can use this VFD to drive my drill press 750w permanent split capacitor motor.
    I have no idea about how I should connect the motor, my main concern is to control the speed of the motor with keeping the torque. Also, I was wondering if it is possible to control the rotation of the motor and adding external switches and potentiometers. Thank you
    From: Maisara | Date: 23/05/2023
    Was this review helpful? Yes No (0/0)
    ATO Responded
    Single-phase VFDs have a small starting torque when controlling single-phase motors. If you want constant torque or high torque starting and speed regulation operation, ATO suggests you replace your single-phase (split-phase) motor with a three-phase motor. Also, the current and power rating of the VFD must be greater than or equal to the current and power rating of the motor.
    good morning, I have a 220v 2hp 1440rpm single-phase motor to which I want to install a frequency inverter to control the speed, this inverter; GK3000-1S0015, would it work for me?
    Thank you and I await your comments
    From: Pedro | Date: 06/05/2023
    Was this review helpful? Yes No (0/0)
    ATO Responded
    To confirm whether VFD can drive your motor, you need to know: VFD power is greater than or equal to motor power, and VFD current is greater than or equal to motor current. For the speed regulation of single-phase motor, we recommend that the running speed of the motor is greater than 80% of the rated speed.
    The pressure switch on the compressor is normally closed
    I have a question about my VFD. The pressure switch on the compressor is normally closed (NC). What happened?
    From: Alob | Date: 22/03/2023
    Was this review helpful? Yes No (0/0)
    ATO Responded
    If the pressure switch on the compressor is normally closed (NC) , then this pressure switch cannot be used directly. Could you please tell us how you want to control the start and stop of the VFD through this pressure switch, and what is the process?
    Which terminal of VFD will send the signal VFD fault feedback to our PLC?
    For the GK3000 series, which terminal of VFD will send the signal VFD fault feedback to our PLC? any? So we can disconnect the circuit to VFD, and show the alarm indicator on the our HMI Display
    From: Rokyd | Date: 06/03/2023
    Was this review helpful? Yes No (0/0)
    ATO Responded
    The TA TB terminal of VFD can feed back the fault signal of VFD to PLC.
    Well pump controller
    I have a Goulds 13GS10412CL submersible pump and I see that it is compatible with variable speed controller. It is 1.0 HP 60 Hz FLA 8.1 SFA 9.4 single phase. What do you recommend as far as VFD to make it constant pressure supply? I would like to use a psi transducer also.
    From: Randy | Date: 11/02/2023
    Was this review helpful? Yes No (0/0)
    How do I set the controller to reverse?
    How can I control the direction of the motor with the control panel rather than installing some switches to the com port? The controller shows a jog/rev button, but it seems to only jog the motor.
    From: Christopher | Date: 03/01/2023
    Was this review helpful? Yes No (0/0)
    ATO Responded
    The single-phase VFD cannot control the reverse rotation of the motor. Please refer to the motor nameplate for reverse wiring.
    Can you provide a wire diagram for this application?
    I'm installing this VFD on my well pump and using it as a soft start to reduce the impact to my batteries on my solar system. When I wire it in do I still use my Franklin Electric control box with the capacitor or does that get replaced with he VFD? I have a 3 wire 1/2 hp pump, can you provide a wire diagram for this application?
    From: Drew | Date: 27/06/2022
    Was this review helpful? Yes No (0/0)
    ATO Responded
    1. The single-phase motor can be connected to the VFD without removing the capacitor. The two wires of the motor are directly connected to any two of the U, V, and W terminals of the VFD.
    2. If you want to use VFD for constant pressure water supply, you could refer to our video. Please see on <[5UQ[BL(6~BS2JV6W}N6[%S.png>
    Reliable 2hp (1.5kW) VFD
    I need adrive for my 2HP motor, why would it not be GK3000-1S0015? Which is listed for 2HP?
    From: Groove | Date: 22/06/2021
    Was this review helpful? Yes No (0/0)
    ATO Responded
    You should have a margin of at 10-20%. So GK3000-1S0022 (3HP) will be more reliable.
    2 hp VFD can withstand voltage
    For your GK3000-1S0015 and GK3000-1S0007 1 phase drive, will these take 208v without any issues?
    From: Elmer | Date: 03/06/2021
    Was this review helpful? Yes No (0/0)
    ATO Responded
    Yes, of course. It can take 208/220/230/240V with no problem.
    2 hp VFD using current
    Can I use your 2 hp 1 phase drive on a single phase AC 220V-230V blower motor to control the motor speed?
    From: Robinson | Date: 29/04/2021
    Was this review helpful? Yes No (1/0)
    ATO Responded
    Yes, it can as long as your motor rated current is less than 7.5A.
    Can 2hp VFD be delivered the earliest?
    Can you suggest the earliest delivery of 2HP 1-phase VFD?
    From: Wass | Date: 28/03/2021
    Was this review helpful? Yes No (0/0)
    ATO Responded
    It can be delivered within 5 to 6 days because it needs to be well tested before shipment.
    High Quality
    This 2hp single phase VFD was bought for my belt grinders. This product is sealed up so that no dust gets inside, which makes it suitable for rugged environment. It's easy to install and no programming requirements. What's more, this unit works well, provides good soft start, and realizes variable speed control. High quality and recommend.
    From: Redneck | Date: 20/03/2019
    Was this review helpful? Yes No (3/0)
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