I am thinking of getting an ac/dc tig but the power on single phase requires 90 amps! My garage has a seperate meter and supply. How easy would it be to get 90 amps in there?
Hi and thanks,
this is what it says on the ad:
"This is a medium to heavy duty and reliable machine . The welder is in excellent working and physical order - 8/10.
This unit will run on single phase 230 v ro 415 v NB - to run on 230v you will need a 90A primary supply."
Any the wiser?
Looks a nice bit of kit but I think I'd be tempted to save myself at least £200 and buy this.
If you can find one I'll bet a footpedal for that SAF will set you back a tidy sum, there's one supplied with that Miller.
Price does say ono too.
if your garage all ready has a supply then it will probily handle it with no modifications. For the welding load that big you should consult the supply company as it might casuse damage to there equipment from the inrush and harmonic distorsion back onto the supply. and if it did creat a problem then that would land you in court. Its covered in the supply and continuity regs will try to find a link
Sounds like an older transformer machine. Mine is 300 amp and specs 108Amps at 240V input. But it was made in 1973. It is a 475 amp machine by today's specs. You could weld continuously at 300 amps 24/7/365. The output volt/amp curves go past 600 amps.
The Miller Dialarcs and Syncrowaves are near identical machines. Up to about half their capacity, the current is not that bad. Above that, the current goes up exponentially.
You could probably do near 200A on 32A, especially if it has power-factor correction. Mine is on a 50A breaker and I can do 250A with no problem. Might be able to tell more of a usable range if we knew what it machine was.
Depends on the supply on your garage and how much output current you need. My question is how much support you can get on the old machine. SAF does still seem to exist but have no docs on the machine online.
Seems a bit pricey for a simple AC/DC transformer TIG.
Thanks again, and yes it is the Saf Nertabloc TH 260. I thought it would be a better choice than an inverter based model but not if support and power supply is a massive chew! I can't really see me using much more than 200amps though.
I would have thought you would be better off with a less demanding machine.....personally I would rather spend more on the welder rather than have teh supply upgraded or dealing with any potential supply issues