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    10kVA Single Phase 240v 50Hz to 120v 60Hz Converter

    5 out of 5 based on 10 reviews | Write a review
    10 kVA 1 phase solid state frequency converter, change 240V 50Hz to 120V 60Hz (vice versa), step up and step down frequency & voltage, supply high quality output electricity for test lab & production facilities.
    SKU: HZ-50-1110
    30-day Returns
    Delivery date: 6-12 days

    10 kVA static frequency converter (AC power supply), convert 50Hz to 60Hz, also change 220V/230V/240V (e.g. China) to 110V/120V (e.g. Hawaii), reliable power frequency changer, manufacturer direct sales.


    Model HZ-50-1110
    Capacity 10 kVA
    Dimension 680 (D)*500 (W)*970 (H) mm
    Weight 130 kg
    Input Voltage 1 Phase 2 Wire: 110V, 120V, 220V, 230V, 240V ± 10% (Option *)
    Frequency 50 Hz, 60 Hz or 400 Hz ± 5%
    Output Voltage, current 110V Setting (Low grade): 0-150V, 83.2A
    220V Setting 0-300V (High grade): 0-300V, 41.6A
    Load stabilization Rate ≤±1%
    Frequency 50Hz, 60Hz up to 400Hz adjustable
    -When the output is 400Hz, the load capacity can only reach 50% of the rated capacity.
    -When the output is ≤120Hz, the load capacity can reach 100% of the rated value.
    -You can just adjust converter output frequency in the range (40-400Hz) for 400Hz option.
    Frequency Stability ≤±0.01%
    Harmonic Distortion Pure Sine Wave ≤2%
    Frequency meter 4 digit, digital frequency meter, resolution 0.1Hz/Step
    Voltmeter 4 digit, digital voltage meter, resolution 0.1V
    Ammeter 4 digit, digital ammeter, resolution 0.1A
    Watt meter 4 digit, digital Watt meter, resolution 0.1W
    Protection With overload, short circuit, over temperature
    Instantaneous power failure protection and alarm device
    Working Environment Temperature 0 - 40 deg.℃
    Humidity 0 - 90% (Non condensation)
    Warranty 18 months

    Wiring and Testing a Single Cabinet Frequency Converter

    Here is a video about the operating steps of the cabinet frequency converter. This video gives a rundown of how to wire and test a 1 single cabinet frequency converter using a multimeter.

    Tips: The difference between VFD and frequency converter

    1.  Variable frequency drive conforms to the speed regulation characteristics of the motor. One single set of VFD can only be equipped with one motor, so that it can not be used as the power source.
    2.  Frequency converter simulates the power grid to supply electricity, and is superior to the grid quality.
    3.  The VFD output the impulse wave, has high harmonic wave but no sine wave, which can cause the abnormality of the load control circuit.
    4.  The output of AC frequency converter equipped with isolation transformer, inductance, and capacitor filtering, outputs pure sine wave.

    Existing reviews of 10kVA Single Phase 240v 50Hz to 120v 60Hz Converter
    About the converter
    We will use HZ-50-1110 converter to feed high generated harmonics load. By experience with other frequency convertors, we realize this specific load generate the effect of "harmonic distortion" and that result of capacitors overheating inside of converter unit after 3 minutes of operation. What do you think about the converter? Will it work fine?
    From: Elodie | Date: 10/07/2024
    Was this review helpful? Yes No (0/0)
    ATO Responded
    The circuit board capacitor caused heating due to harmonic distortion. We believe that this is caused by the harmonic rate of the switching power board design or the circuit board structure. When our converter drives the load, the harmonic distortion rate is controlled within 2%, voltage output stable. It can be used normally on this bowl feeder load. The 10KVA capacity is also sufficient. Because our capacitor size is larger at 10KVA, the heat will be small.
    Having an issue of single phase converter
    We purchased your 10kVA frequency converter in September of last year.
    We are having an issue where the output voltage will drift up and down without moving the knob.
    In the video attached I have an example of it drifting between 110 volt and 140 volt over 30 seconds.
    Please advise if there is a potential cause for this.
    The voltage supplied to the unit is steady.
    From: kourtney | Date: 15/06/2023
    Was this review helpful? Yes No (0/0)
    ATO Responded
    Regarding the issue of output voltage will drift up, please use a multi meter to measure the actual output terminal voltage.
    If the actual measured output voltage does not fluctuate (normal), it may be a problem with the display board.
    If the actual output is fluctuating as shown, it may be a problem with the driver board.
    Please measure the voltage at the output terminal and feedback the measurement result to us. Thank you for your understanding.
    You can send us the large video file via
    I have a couple of questions for you concerning the 10kVA unit we purchased from ATO.
    1. When we slightly touch the Phase Switch but keep it at a fixed phase, either at U or V or W that the current readings and hence, the power readings fluctuate by a few hundred mA and a few Watts? How can that problem be corrected?
    2. I don’t understand what the information on the display is showing because the phase current shown and voltage shown when multiplied together should equal the Watts shown? For instance, 115V is shown and 11.41A is shown as well as 1205W is shown. So 115V*11.41A = 1312W. Can you help me understand how to read the data on the display?
    3. What is the function of the black toggle switch next to the amber light beneath the input and output breakers on the front lower section of the unit? The User Manual makes no mention of this. When I turn that switch ON, the amber light comes ON and the power consumption figures at the display increase. When I turn that switch OFF, the amber light turns OFF and power dissipation at the display decreases. I don’t understand what this is.
    From: Devin | Date: 26/05/2022
    Was this review helpful? Yes No (0/0)
    ATO Responded
    Is the data you provide below tested with the connection load?
    1. The power of the touch phase switch will change, which should be caused by a little fluctuation of the load when the machine is working. Because the output power is only regulated and frequency-stabilized, the power and current vary according to the load.
    2. If you think the power display is inaccurate, it is recommended that you use a clamp ammeter to measure the actual output current to see if the actual current matches the displayed current.
    3. This toggle switch adjusts the line voltage and phase voltage (with an indicator label next to it). When the amber light is on, the line voltage is displayed. If the amber light is turned off, the phase voltage is displayed. The line voltage must be higher than the phase voltage, for example, the phase voltage 115v*1.732 is equal to the line voltage 119.18v.
    For your frequency converter
    For your frequency converter; Is this 480V ( /- 10%) correct for Delta configuration, because the facility is running consistently between 490 to 500 V?
    From: Rachelc | Date: 29/12/2021
    Was this review helpful? Yes No (0/0)
    ATO Responded
    Yes, 480V (+/- 10%) is correct for Delta configuration, and 490 to 500V is okay with no problem at all.
    I am interested in your single-phase frequency converter
    I'm interested in a single phase frequency converter: 240V 50Hz -> 400Hz, 5KVA. Can you provide it?
    From: Icona | Date: 21/11/2021
    Was this review helpful? Yes No (0/0)
    ATO Responded
    Yes, recommended frequency converter model: HZ-50-1105, 5kVA power capacity, input: 1ph, 240V (+/- 10%), 50/60Hz and output: 1ph (L, N, G), adjustable (0-300V )/(0-150V), adjustable (40-499.9Hz), 20.8A/41.6A.
    We need a frequency converter with the following specs
    Input voltage: 220VAC 50 Hz.
    Output voltage: 1-115 VAC (Adjustable Voltage Range)
    Output frequency: 400 Hertz
    Output power: 500-1000 Watts. What do you recommend?
    From: Rosie | Date: 18/10/2021
    Was this review helpful? Yes No (0/0)
    ATO Responded
    Ok, recommended frequency converter model: HZ-50-1115, 15kVA power capacity, input: 1ph, 220V (+/- 10%), 50/60Hz and output: 1ph (L, N, G), adjustable (0-150V ), adjusted (40-499.9Hz), 125A.
    We need a frequency converter with the following performance
    Do you provide a converter with the following specs? We need input 240V 50 Hz & output 120V, 60 Hz. Capacity 1 kVA.
    From: Kate | Date: 08/10/2021
    Was this review helpful? Yes No (0/0)
    ATO Responded
    Yes, model: HZ-60-1101, 1kVA power capacity, input: 1ph, 240V (+/- 10%), 50/60Hz and output: 1ph (L, N, G), adjustable (0-150V), adjustable (40-120Hz), 8.4A.
    The specifications of the frequency converter we need
    The customer needs remote control as per the following specs:
    Remote operator station
    Able to be installed electrically where the remote operator’s station wire(s) length would be greater than 50ft but no more than 200ft.
    Remote operator station requirements (REDUNDANT CONTROLS OF MAIN UNIT):
    REMOTE CONTROL INDICATORS: Display converter status, system faults, power on, converteron, voltage output, current output, and frequency output.
    REMOTE CONTROLS: Start, stop / reset, output status, and emergency stop.
    From: Denisey | Date: 09/09/2021
    Was this review helpful? Yes No (0/0)
    ATO Responded
    Our converter remote controller can only do the following functions, it controls the converter by a remote control box: start, stop/reset, voltage output, frequency output (50/60Hz), and the line length is only 10 meters long.
    At present, the factory has not renewed the remote control function.
    It means that you can adjust converter output voltage and frequency remotely via the control box in the ranges (0-300V)/(0-150V) for 1-phase, and (0-520V)/(0-260V) for 3- phase, and the frequency in the range (40-99Hz), not (100-499.9Hz).
    This is equivalent to configuring an additional operation panel for the customer.
    High quality frequency converter
    We need a converter that can do the following: Input is 220 V / 60 HZ. Needed output single-phase 220V/50 HZ. The converter will support the power needed for a calibration lab device that draws peak current (approximately 17 amp). The device is susceptible to frequency instability, hence the converter output should be stable.
    From: Mchappy | Date: 13/08/2021
    Was this review helpful? Yes No (0/0)
    Item received
    Input 230V 50Hz and output 110V 60Hz converter, we use this unit to test some US kitchen ovens, it works great. ATO answered all my questions. Professional and reliable!
    From: Johan | Date: 04/07/2019
    Was this review helpful? Yes No (0/0)
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