Need advice on LN-7...
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  1. #1

    Need advice on LN-7...

    Hi,
    I have a chance to buy a mig welder from a factory closure. I'm not sure if it would be a good home welder or not. It looks pretty big and heavy and unlike any mig welder I've seen. It's in two parts, a cv250 base and LN-7 on top. I currently have a Hobart Handler 140 and an AC225 so I have a 240V / 50 amp circuit in my shop (I wired it myself with 6-2 wire.) Would this machine even be a viable choice for home? The original buyer backed out and they said they "would let it go cheap". What do you think? Thanks for any information. Name:  ln-7.jpg
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  2. #2

    Re: Need advice on LN-7...

    Well, I think I answered my own question, I think that cv-250 requires 3 phase input. Would a simple variable frequency drive be enough to power it? Sounding like it might be more trouble than it's worth.
    Last edited by f3user; 05-08-2018 at 08:49 PM.

  3. #3
    Join Date
    Jun 2010
    Location
    northern cal.
    Posts
    267

    Re: Need advice on LN-7...

    Probably needs plenty of surge when flipping the switch on?
    Lincoln Power MIG 180.
    Winco 6000 watt generator (13hp Honda)

  4. #4
    Join Date
    Jun 2016
    Location
    SE Saskatchewan, Canada
    Posts
    248

    Re: Need advice on LN-7...

    Yeah, the three phase requirement will make this pretty much useless to the average person.
    Lincoln Ranger 305G
    Miller Big 40
    Hypertherm 30XP
    Lincoln 210 MP
    Lincoln Square Wave TIG200
    Koike IK-12
    Evolution EVO380

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