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    20kVA Single Phase 220v 50Hz to 120v 60Hz Converter

    5 out of 5 based on 7 reviews | Write a review
    Affordable 20 kVA 1 phase frequency converter (AC power supply), changing 220V 50Hz to 120V 60Hz (vice versa), built-in step down/step up insulate transformer, make imported appliances easy to work on different 50/60 Hertz power systems.
    SKU: HZ-50-1120
    Delivery date: 6-12 days

    20 kVA pure sine wave frequency converter, changing 230V 50Hz to 110V 60Hz, or 120V 60Hz to 240V 50Hz, voltage and frequency converter for Europe and US home appliances.


    Model HZ-50-1120
    Capacity 20 kVA
    Dimension 680*500*970mm
    Weight 180 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, 166.4A
    220V Setting 0-300V (High grade): 0-300V, 83.2A
    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

    Tips: Frequency (50Hz and 60Hz) interchange will affect AC contactor

    The impedance of small-size contactor is very small. Under the premise of ignoring impedance voltage drop, the electromotive force is in direct proportion. When the frequency turns from 50Hz to 60Hz, the induced electromotive force increases to 1.2 times, so the corresponding control voltage shall be increased to 1.2 times. In order to satisfy the suction requirement, it is required to increase the control voltage. Otherwise, insufficient suction will result in the bounce and bad contact of the relay, thus eventually causing damage.

    Existing reviews of 20kVA Single Phase 220v 50Hz to 120v 60Hz Converter
    Troubleshooting of 20kVA single phase frequence converter
    What will happen to the 20kva frequency converter if it got sudden high inrush/surge current?
    From: Gilbert | Date: 17/04/2021
    Was this review helpful? Yes No (0/0)
    ATO Responded
    If the converter got a sudden high inrush current, its internal protection trips, so you just need to reset and run again, not an issue.
    Questions about frequency converter
    I would like to ask you for information whether it would be possible to supply 30 kVA GoHz frequency converter with extended range of output line voltage at least up to 530 V, optimally up to 550 V.
    From: Garden | Date: 18/08/2021
    Was this review helpful? Yes No (0/0)
    ATO Responded
    Yes, we can. But the converter output current capability will be lower than standard one, and here is the specs based on the standard supply voltage in Slovakia will be: HZ-50-3330, 30kVA power capacity, input: 3ph, Wye ( L1,L2,L3 + N,G), 400V (+/- 10%), 50/60Hz and output: 3ph, Wye/Delta (L1,L2,L3 + N,G), adjustable (0-550V), adjustable (40-120Hz), 31.5A.
    I hope ATO can give some suggestions for buying frequency converter
    Hope this email finds you well.
    Do you supply it in Saudi Arabia, or do you have a local vendor here?
    I am interested in a 60 to 50Hz frequency converter for 220V.
    We have placed two RCS90 chiller units from TA instruments to support their DSC250. These chiller units are only available at 220 V / 6A / 50 Hz. While here at KAUST in the Kingdom, the only available is 220 V / 60 Hz.
    For this, I am urgently looking for 1 or 2 suitable frequency converters that work at our 60 Hz cycle power. (50 Hz AC a DC a AC 60Hz).
    From: Reston | Date: 12/09/2021
    Was this review helpful? Yes No (0/0)
    ATO Responded
    Do not have local vendors in KSA, but we supply them there, as we are used to shipping KSA (by Air).
    Can your frequency converter work normally with this device?
    Hi, I purchased a product from a different country without having the foresight to look at the frequency of the voltage first. It is a Smola coffee roaster and runs on 220v 50Hz. I have 220v 60Hz US voltage available. Will any of your converters make this appliance work properly?
    From: Paulw | Date: 29/09/2021
    Was this review helpful? Yes No (0/0)
    ATO Responded
    Yes, of course, our frequency converter can do so.
    What is your coffee roaster power capacity and rated current (Amps)?
    Or you can picture its name plate "tag label", and send it to us.
    We need to buy a frequency converter
    We have a project in Bucharest and for this we need to purchase a 1-frequency converter 45kVA with 400Hz, 115/200V output. What do you recommend?
    From: Mandri | Date: 17/10/2021
    Was this review helpful? Yes No (0/0)
    ATO Responded
    Based on your choice, recommended frequency converter model: HZ-50-3345, 45kVA power capacity, input: 3ph, Wye (L1, L2, L3 + N, G), 400V (+/- 10%), 50/60Hz and output: 3ph, Wye/Delta (L1, L2, L3 + N, G), adjustable (0-260V), adjustable (40-499.9Hz), 125A.
    Can ATO provide the following frequency converter?
    50 kVA customized frequency converter with the input: 3 phase 400 V (L1 L2 L3) 50 HZ.
    Output: 2 Phase 400 V (L1-L2) 60 Hz.
    From: Mifune | Date: 14/12/2021
    Was this review helpful? Yes No (0/0)
    ATO Responded
    Yes, of course, and here is the specs in where we shall offer for: Frequency converter model: HZ-60-3160, 60kVA capacity, input: 3-phase, Wye (L1,L2,L3 + N,G), 400V (+/- 10%), and output: Split phase, 2 hot line (L1,L2 + N,G), adjustable (0-400V), adjustable (40-120Hz), 150A.
    I am looking at a frequency converter
    Hi, I am looking at the 10kVA pure sine wave frequency converter. I will need to converter 120v 60Hz to 230v 50 Hz. We are concerned about the electromagnetic noise of our other device. I wonder if you have short term rental products that we can have a try?
    From: Mazur | Date: 05/01/2022
    Was this review helpful? Yes No (0/0)
    ATO Responded
    Ok, and that is the converter specs:
    Model: HZ-50-1110, 10kVA power capacity, input: 1ph, 120V (+/- 10%), 50/60Hz and output: 1ph (L, N, G), adjustable (0-300V), adjustable (40 -120Hz), 41.6A.
    1. Unfortunately, they do not provide rental service, only selling business.
    2. We think you will not face such electromagnetic noise, because the converter terminals are hard wire "free", you can use long wires to hook up the converter to your installation, so you can place it away from your other devices. And its internally full galvanically isolated, no harmonic distortion (EMI, EMC).
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