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Pretty much every fabricator we've supplied to goes with the 500A range off teh bat—it gives you the headroom for heavy plate work without breaking a sweat, and the 80% duty cycle means you're not stopping every few minutes on a production run.
We've had these NBC-500 units running six hours straight in automotive chassis shops, and the air cooling handles it fine for most jobs, though if you're pushing 500A continuously you'll want the water cooling option (check lead time, it's usually an extra 10 days or so).
Some buyers worry about the 52kg weight, but that's actually a good sign—it means the transformer and rectifier are built with real copper windings, not the aluminun garbage that fails after six months.
Input voltge tolerance is ±10% on 380V, so it'll still weld clean even if your shop's power dips during peak hours, and the IP21S rating keeps metal dust out of the electronics—better than most competitors at this price point.
One thing nobody asks about is the gas flow rate: you need to dial it between 15-25L/min depending on wire diameter, because too high and you'll waste shielding gas, too low and you get porosity in the bead.
Anyway, our company can ship 12 units for that January deadline, MOQ is 5 per model variant, and we'll include the factory COA with weld test results for each machine—just confirm whether you need the CE or ISO certs stamped seprately.
Yes, the NBC-500 is CE, ISO, and ROHS certified. We'll include copies of those certificates in the shipping package.
Our MOQ is 1 unit for stock models, so you can order just one to test it out. Bulk orders may qualify for better pricing.
It supports both cooling methods—you can use the built-in air cooling for general work, or hook up a water cooler if you're running heavy-duty jobs at high amperage. The water cooling option helps extend duty cycle.
Typically, we ship within 7-15 business days after receiving payment, depending on stock levels. For large orders, we may need a bit more time to produce.
Yes, it handles wire diameters from 1.0 to 1.6mm, so 1.0mm works fine for thinner steel. Just adjust the output current within the 60-500A range to match your material thickness.
