Inverter question regards arc welder use

[Tip12345]

I run a 140 amp unit off a 5 kva but it is only Just ! If that's any help

[PeeBee]

I run a 140 amp unit off a 5 kva but it is only Just ! If that's any help

Thanks, this is aligning with what the vendor has said, as mine is a 160amp unit.