Inverter question regards arc welder use

That will only be a start up (surge) rating as some appliances can use up to eight times there running current upon starting. Does it say anywhere that it has a soft starter incorporated in the circuit?

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Originally Posted by PeeBee

Bloody hell, upgraded to a pure sine wave to try and overcome these issues with electric tools not liking modified sq wave. i know my grinder , power saw and drill are a lot noisier on Mod Sq wave than the pure sine wave. If this inverter has internal protection it doesnt indicate externally and certainly has not tripped a fuse.

I just had a close look at the nameplate and here in lies the problem. This thing is sold with a 10amp plug, but the nameplate says it can draw 25amps. What confuses me then is how this operates on a 10amp circuit, or is the 26amp so quick on start up that the fuses in the fuse box cope with the surge?

So this suggests the inverter size needs to be circa 7kw , but is this a normal load rating of simply the strike power rating (240V x 30A)? This does my head in to be honest. Might just stick with the readywelder2 and be done with it.

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They do make a portable 12 volt mig which is very compact in size but expensive , can be used gas or gas less .

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Originally Posted by GQtdauto

They do make a portable 12 volt mig which is very compact in size but expensive , can be used gas or gas less .

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Yes I have the ReadyWelder2 that runs off 24/36Vdc and gassed or gasless already, looking for a package that is smaller

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Originally Posted by PeeBee

Yes I have the ReadyWelder2 that runs off 24/36Vdc and gassed or gasless already, looking for a package that is smaller

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I thought those things were ok and compact in size ? But yes they do hook up to batteries which is what you're trying to avoid .

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Originally Posted by GQtdauto

I thought those things were ok and compact in size ? But yes they do hook up to batteries which is what you're trying to avoid .

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I guess I could take it out of the plastic case, maybe just make do - still thinking, very s l o w l y.

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Originally Posted by mudnut

That will only be a start up (surge) rating as some appliances can use up to eight times there running current upon starting. Does it say anywhere that it has a soft starter incorporated in the circuit?

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Scant info in 'brochure ' , hardly an operating manual. I have emailed them regards recommended inverter size now that its identified as a problem, waiting to get a reply, maybe??/

Put a smaller SCA inverter welder on today and yeah you just get a weak spark .

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Originally Posted by GQtdauto

Put a smaller SCA inverter welder on today and yeah you just get a weak spark .

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Initial contact from supplier suggests 6 - 9kva generator - subject to confirmation - so waiting to hear what the actual size is.

Never tried to run a welder off my gennie 2000 watt peak but I think it would be a waste of time trying .

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Originally Posted by GQtdauto

Never tried to run a welder off my gennie 2000 watt peak but I think it would be a waste of time trying .

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From what we have found out recently it isn't going to work.