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IndustryArena Forum > CNC Electronics > Spindles / VFD > How to Calculate a 5.5Kw spindle motor machine actual power consumption
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  1. #1

    How to Calculate a 5.5Kw spindle motor machine actual power consumption

    I have bought my first ever machine from China.
    on the spindle motor, it's written that it is a5.5Kw and 16 Amp motor. it is 220v single phase.
    i highly doubt these figures.
    can anyone tell me how much electricity this machine will consume?

    thank you
    Attached Thumbnails Attached Thumbnails IMG-20220621-WA0009.jpg   IMG-20220621-WA0011.jpg  

  2. #2
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    14186

    Re: How to Calculate a 5.5Kw spindle motor machine actual power consumption

    Quote Originally Posted by awaisumar View Post
    I have bought my first ever machine from China.
    on the spindle motor, it's written that it is a5.5Kw and 16 Amp motor.
    i highly doubt these figures.
    can anyone tell me how much electricity this machine will consume?

    thank you
    What is the Voltage supply and is it 3Ph or Single-Phase supply??
    Mactec54

  3. #3

    Re: How to Calculate a 5.5Kw spindle motor machine actual power consumption

    it is 220v single phase

  4. #4
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    Re: How to Calculate a 5.5Kw spindle motor machine actual power consumption

    Quote Originally Posted by awaisumar View Post
    it is 220v single phase
    That would be a little low for a 5.5Kw I would say it should be closer to 22A and you will need at least a 45A 240v supply to run it and your machine, a 50A 240v single phase supply would be better

    So, when you only have single phase supply unless you have the Amperage, you should buy a smaller spindle to suit your power supply and Amps, the VFD Drive also has to have an input Amp rating to suit this as well or it will fail
    Mactec54

  5. #5
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    Re: How to Calculate a 5.5Kw spindle motor machine actual power consumption

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