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    5 hp (4 kW) VFD, Single Phase Input & Output

    5 out of 5 based on 7 reviews | Write a review
    Low cost 5 hp VFD, 1 phase for single phase AC motor speed controls, 220V - 240V 23 amps, manufacturer direct sale.
    SKU: GK3000-1S0037
    Availability: In stock
    Free Shipping Worldwide
    Delivery date: 2-12 days

    5 hp variable frequency drive, 4 kW, 1 phase 220V - 240V for single phase AC motor, manufacturer direct sale.


    Basics Model GK3000-1S0037
    Capacity 5 hp (4 kW)
    Shipping weight 8 kg
    Dimension 330*200*200 mm
    I/O Feature Rated current 23 A
    Input voltage single phase AC 220V±15%
    Input frequency 47~63Hz
    Output voltage 0~rated input voltage
    Output frequency V/f control: 0~500Hz
    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 control
    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.
    Starting torque 1 Hz/150%
    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.
    Tips: Six attentions of installing VFD in automatic control system

    1. For the frequency given signal should be used as far as possible 4-20mA international standard signal. Should make sure the signal line shield ground, to avoid the interference signal into the VFD. The production site has an interference signal, the interference signal will affect the stability of the control, so need to use input filter, and set its range to be 0.00-5.00s. If using VFD built-in PID function should use the feedback filter to increase the control stability of the built-in PID, the setting range is 0.0-60s. However, it should be noted that the filter time is set too long, the control is stable, but the system response is worse; the filter time is set too short, the system response is fast, but the control is unstable. So it should be based on the actual scene to make adjustments.
    2. To set the corresponding manual, automatic switching operating function. Optional manual, automatic, forced manual functions of manual operator. If necessary, could also consider the redundant operation function of the current and voltage setting, that is, the VFD frequency setting signal use current setting in normal, using voltage setting in abnormal manual operation. That is, add a potentiometer for setting g the VFD frequency, so the VFD frequency reference signal has two types, current signal and voltage signal. Because there are two types of frequency setting signals input in the VFD, increasing its redundancy degree.
    3. Must set the "overhaul switch", that is, set the "on-site overhaul switch" next to the operating equipment, when switch it to the "overhaul" position, equal to cut off the VFD running signal circuit. If someone misuse, the equipment can't run, to ensure that the safety of mechanical equipment maintainer.
    4. Make full use of the VFD input and output control terminals function, to carry out some alarm and interlock function, to reduce wiring and improve reliability.
    5. For single or simple control system, can take full advantage of the VFD built-in PID control function to reduce the control system equipments and reduce investment.
    6. Some VFD have input terminals R0, T0 of control power. So should connect control power to VFD R0, T0 side in front of the main power supply. So that the VFD still has a display function after the trip, in order to analyze the cause of the malfunction and take countermeasures.

    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 5 hp (4 kW) VFD, Single Phase Input & Output
    Dominican Republic representative
    Do you have a representative in the Dominican Republic where I can purchase this 5hp VFD for single-phase motor use?
    From: Oscar | Date: 27/04/2018
    Was this review helpful? Yes No (0/0)
    ATO Responded
    No, but you can purchase the VFD from us directly, ATO can ship it internationally, free of charge.
    Good 5hp single phase VFD
    For your 5hp single phase frequncy drive, does this keep the motor in it’s torque capability at low speed?
    From: Irene | Date: 20/04/2021
    Was this review helpful? Yes No (0/0)
    ATO Responded
    There are constant torque VFDs, but for the 5hp single phase VFD, it's not, the torque will reduce along with the speed.
    Good single phase VFD
    Do you offer external potentiometer for external speed controls for your single phase drive?
    From: Agrawal | Date: 03/06/2021
    Was this review helpful? Yes No (0/0)
    ATO Responded
    Our single VFD has a potentiometer beside its operation panel, and also you can install external one if needed.
    My question about single VFD
    What communications can your 1-phase drive handle? Analog input? Can it be directly communicated with by most PLCs?
    From: Rizzo | Date: 31/10/2021
    Was this review helpful? Yes No (0/0)
    ATO Responded
    You can use the analog signal of the PLC.
    I am interested in your single phase VFD
    I am interested in the single phase output drives. Can I operate more than one fan motor on one drive?
    From: Palli | Date: 04/01/2022
    Was this review helpful? Yes No (0/0)
    ATO Responded
    Yes, you can. But run all at the same instant from the drive.
    Questions about 1-phase VFD
    Do I unhook the start/run capacitors when connecting your 1-phase VFD to my 1-phase motor?
    From: Patty | Date: 09/01/2022
    Was this review helpful? Yes No (0/0)
    ATO Responded
    No, you can keep the capacitors.
    Just want to be absolutely clear before wiring everything up.
    Keep the R, S, and T terminals wired how it originally came, got it. And to confirm, the green wire going internally into the VFD IS grounded? So no need to attach anything to the E ground terminal? For the green and red wires, am I correct in saying you've attached the green wire to the white wire coming from the power supply cable, and the red wire to a black wire? Then these 2 wires have a 2 prong plug attached that goes into a wall outlet? And what's the green wire resting on the side of the VFD do?
    From: Randolph | Date: 27/07/2022
    Was this review helpful? Yes No (0/0)
    ATO Responded
    Yes, please keep the R, S and T terminals wired the way they are. The green wire is N and the red L, you can see the number on the cable. The green and red wires (L, N) are directly connected to your 120V input power supply, and AC power does not need to distinguish between the live and neutral wires. The E on the terminal can be connected to the input power ground wire G.
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