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  1. #1
    Gold Member Beltzington's Avatar
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    JD 3720

    Default Welder Power Charts

    Could someone help me understand these ratings? I am specifically interested in the input current requirements for 100% duty-cycle (200A) Here is the OEM specs. TIA

    http://www.lincolnelectric.com/asset...69-1/e2161.pdf

    Input Power
    Voltage/Phase/Hertz
    208/230/460/575/3/60

    Rated Output
    Current/Voltage/Duty Cycle

    275A/31V/35%
    250A/30V/60%
    200A/28V/100%

    Input Current
    @ Rated Output

    38/37/19/16A
    34/33/17/14A
    27/25/13/11A

  2. #2
    Super Star Member LD1's Avatar
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    Kubota l3400

    Default Re: Welder Power Charts

    For the 100% duty cycle @ 200A, input current depends on what voltage you are supplying the welder with and are as follows:

    208v = 27a
    230v = 25a
    460v = 13a
    575v = 11a

    But you DO realize ALL of them numbers are for 3-phase power right??

    If you want 100% @200A on SINGLE PHASE, they are as follows

    208v = 49a
    230v = 48a
    460v = 26a
    575v = 21a
    ".........there is only one way to find out."
    "Ok, hold my beer and watch this.........."


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  3. #3
    Gold Member Beltzington's Avatar
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    Default Re: Welder Power Charts

    Quote Originally Posted by LD1 View Post
    But you DO realize ALL of them numbers are for 3-phase power right??
    I do, not only was I mentaly challenged this morning and just couldn't seem to connect the dots, I also was having issues cutn and pastn. Thanks very clearing this up for me LD1, you are a "super member," excepting that orange tractor in your avator

    Have a great week!

  4. #4
    Super Member Gary Fowler's Avatar
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    Default Re: Welder Power Charts

    I'm not an electrician, but will a 3phase machine work on single phase without a phase converter but just use more current? I was always of the impression that a 3 phase machine wouldnt work on single phase current at all.
    2010 LS P-7010C 20F/20R gear tractor & FEL, 2009 Kubota B 26 TLB, RTV 900 Kubota,17 foot Lund boat with 70HP motor, 2012-20 ft 12k GVW trailer, 2011- 52" Craftsman ZTR mower, 2013 Ferris Zero Turn, 3 weed whackers, pressure washer, leaf blowers, 7 foot bush hog, 8 foot landscape rake , 8 foot 3 PH disc, 2 row cultivator, 350 amp Miller AC/DC welding machine and all the tools needed to keep them all repaired and running.

  5. #5
    Platinum Member
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    north shore MA.

    Default

    Quote Originally Posted by Gary Fowler
    I'm not an electrician, but will a 3phase machine work on single phase without a phase converter but just use more current? I was always of the impression that a 3 phase machine wouldnt work on single phase current at all.
    depends on the machine. some can be set up for either.
    Dan H.

  6. #6
    Super Star Member LD1's Avatar
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    Default Re: Welder Power Charts

    Quote Originally Posted by Beltzington View Post
    I do, not only was I mentaly challenged this morning and just couldn't seem to connect the dots, I also was having issues cutn and pastn. Thanks very clearing this up for me LD1, you are a "super member," excepting that orange tractor in your avator

    Have a great week!
    No problem at all.

    PS: if you had an orange tractor, you probabally wouldnt need the welder to have to fix it all the time

    Quote Originally Posted by CNC Dan View Post
    depends on the machine. some can be set up for either.
    Bingo. The welder in question can be set up for either 3ph or single. Most of the new inverter style welders are this way. But they do require more current given the same voltage though. If you notice 230v 3ph only needs 25a but 230v single phase needs 48a
    ".........there is only one way to find out."
    "Ok, hold my beer and watch this.........."


    Ford 5500 Backhoe
    Kubota L3400GST W/LA463 FEL
    2005 Dodge 3500 4x4 Diesel
    8N Rebuilt and restored
    Bushhog 306
    3 Homemade wood hauling trailers
    Dolmar 6400 84cc ported
    Sachs-Dolmar 120SI Ported
    (4) Sachs-Dolmar 116SI Ported
    Dolmar PS540
    Sachs-Dolmar 115i
    Sachs-Dolmar 117
    Sachs-Dolmar 112

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