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    5 hp VFD, Single Phase 120V Input, 1ph/3ph 220V Output

    5 out of 5 based on 8 reviews | Write a review
    5 hp variable frequency drive, single phase 110v-120v input, single phase and three phase 220v-240v output, V/F & vector control, running AC motor on single phase 120v power supply via ATO VFD.
    SKU: GK3000-SP1S1-004
    30-day Returns
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    Delivery date: 6-12 days

    5 hp (4 kW) VFD, 1 phase for single phase AC motor, single phase to 3 phase converter. 110v/115v/120v input, 220v/230v/240v output.


    Basics Model EM15-SP1S1-004
    Capacity 5 hp (4 kW)
    Shipping weight 5 kg
    Dimension (W x H x D) 162*250*191 mm
    I/O Feature Rated current 16 A
    Input voltage 1 phase 120V AC ±15%
    Input frequency 50Hz/60Hz
    Output voltage 1 phase or 3 phase 220V AC ±15%
    Output frequency 0~320Hz (SFC)
    Control Feature Control mode V/F control; vector control
    Communication Offer RS485 communication interface, support MODBUS-RTU communication protocol
    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 smaller than 95%RH, non-condensation
    Altitude ≤1000m; VFD will be derated if above 1000m
    Vibration Less than 5.9 m/s2 (0.6 g)
    Cooling forced air cooling
    Store environment –20℃~ +60℃; no dust, no corrosive gas, no direct sunlight

    Tips: How to build a trouble-free VFD system

    1. Spent a lot of time up front to size the VFD properly for the application.
    2. Spent time up front to research the VFD product specified to be used for the application - in some cases I have had to recommend to the end user an alternative VFD model as a better fit for the application.
    3. Designed the power circuits with the VFD, the power supply, the cable run and the location of the motor in mind. Use input reactors and harmonic filters or chokes on the output as specified by the VFD manufacturer. Use VFD rated cables when necessary, and checked that the motor load was rated as inverter duty.
    4. Designed the VFD panel so that there was adequate ventilation/cooling for the VFD. Provided proper grounding points for the VFD, power supply, and connection points for the shields if shielded VFD cables used.
    5. Inspected the panel construction carefully, to ensure that the VFD and associated equipment were properly installed in the panel and that no metal shavings or chips entered this equipment.
    6. Repeat 5 when the equipment is installed at site, and check installation to ensure that it meets the recommendations of the manufacturer.


    How to run a three phase or single phase motor with ATO VFD on 120V power supply. Take a 2 hp, single phase 120V input, single phase or three phase 220V output variable frequency drive as an example. It shows you how to wire, set parameters, commissioning VFD, run motors, etc.

    A three-phase motor can be regulated using a single-phase 120V to three-phase 220V VFD, and control can be managed through terminals, as demonstrated in the following video.

    In the video, it's demonstrated that ATO VFD offers multiple methods to adjust the frequency: Not only can you use the knob on the panel, but you can also utilize the buttons for adjustments.

    Existing reviews of 5 hp VFD, Single Phase 120V Input, 1ph/3ph 220V Output
    Can you quote a DC choke for this drive?
    I am quoting a 120V (generator power) input application. Can you quote a DC choke for this drive? Trying to reduce potential harmonics...thank you
    From: Kim | Date: 05/02/2024
    Was this review helpful? Yes No (0/0)
    ATO Responded
    Our low-power VFD has No internal reactor. Reactors and filters can be added externally to reduce harmonics.
    What the power consumption of the actual VFD is?
    I was just hoping that you might be able to confirm what the power consumption of the actual VFD unit is? We know that the model we purchased has a capacity of 5 hp (4 kW), but do you have a figure on how much power the VFD itself draws? If we are running a pump which runs at 1 kW, we are hoping to understand what the total consumption of that system would be with this unit.
    From: Alob | Date: 04/08/2023
    Was this review helpful? Yes No (0/0)
    ATO Responded
    The unit you purchased has a rated power of 4kW and a rated output current of 16A. When the VFD is running at full load, the current at the input terminal is about 4 times the rated current, which is 60A. Of course, the current capacity of the input terminal is related to the actual load capacity. If the pump you are running is 1KW and the rated current is about 5A, then the current at the input terminal is about 20A. You can run the motor with No load and use a clamp ammeter to test the actual current.
    Could you confirm the VFD wiring?
    Hope you are doing well.
    We ordered 5 of these units and now are at a point to install them and power up our equipment. Can you confirm the wiring please?
    We purchased these VFD’s (SKU: GK3000-SP1S1-004) from ATO because we have equipment that runs on 220-230v, 50Hz (European). Our incoming power in Canada is 110v, 60 Hz, Single phase. Can you please confirm the proper wiring where we connect the incoming power of 110v, 60 Hz and then the outgoing power to the equipment as in attached picture our temp wiring so we can confirm its correct.
    Also, we are wondering if you can confirm how this VFD works. When we turn it on, it ramps up from 0 to 50Hz. It takes a bit of time. Is there a way that it can be set to ramp from 0-50 in under 3 seconds? Also, if the power is disconnected, is there an auto start button so that when the power comes back on, it powers back up?
    Is there a rep in Calgary area who has experience setting these VFD’s up or a training video on how they work and are properly set up?
    From: blanche | Date: 12/06/2023
    Was this review helpful? Yes No (0/0)
    ATO Responded
    1. We confirm that your VFD wiring is correct. And this VFD’s (SKU: GK3000-SP1S1-004) supports 110v, 60 Hz, Single phase.
    2. The VFD output terminal can only be directly connected to the motor, and cannot be used as a power supply to connect to equipment. So the equipment you mentioned is the motor?
    3. Please refer to the attached parameter setting documentation. Regarding the automatic restart operation function, can you please tell us whether the VFD is started directly through the panel or operated by the terminal?
    4. For setting these VFD’s up, please refer to the link:
    120v Victron 3000w Inverter on Boat
    can I use the 120v output plug on my boat to use a 230v Single Phase Air Compressor?  Or would everything just be much easier to get a new compressor engine that will work with the 120v boat setup?
    From: Blair | Date: 01/10/2022
    Was this review helpful? Yes No (0/0)
    ATO Responded
    Yes, you can use the 120V output plug to drive your 230V single phase air compressor.
    How can I do factory reset? How to set up and control the speed with 3 different frequencies with 3 different inputs?
    1. How do I reset my factory settings? Is it P3.01 - 1?

    2. how to configure and regulate the speed using three separate inputs and three different frequencies, 35 Hz, 50 Hz, and 60 Hz.
    The amount is P0.23, P0.25, P0.27, P0.01 - 8, or P4.00 -.
    From: Chandler | Date: 09/09/2022
    Was this review helpful? Yes No (0/0)
    ATO Responded
    1. To return to the factory settings, set P3.01=10.
    2. To regulate the speed with three different frequencies, set the following parameters:
    5hp VFD Modbus and PLC connection method
    For your GK3000-SP1S1-004, is Modbus the only way to interface with the PLC or is there any other way to do that? Using Ethernet IP or a 4-20mA output?
    From: Fayec | Date: 26/11/2021
    Was this review helpful? Yes No (0/0)
    ATO Responded
    You can use 4-20mA signal to interface with PLC, but no Ethernet IP.
    Can I use a VFD to control the speed?
    What is the motor type of your vacuum pump? Can I use VFD with it to control the speed?
    From: Harolde | Date: 28/09/2021
    Was this review helpful? Yes No (0/0)
    ATO Responded
    It is a 1-phase induction motor, and yes, you can use VFD to control the speed. But note that the single phase motor should not be adjusted to run based on a lower frequency than 80% of its rated frequency for a long time, otherwise the motor may fail.
    ATO 120V VFD
    This 5 hp VFD is a good product, 120v single phase input, 240v 3 phase output, fully comply with my request. Moreover, its video is very useful.
    From: Adrian | Date: 26/10/2018
    Was this review helpful? Yes No (0/0)
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