Arc 630i


Arc 630i

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Arc630i is heavy duty IGBT based inverter power source suitable for MMA welding, AirCarbonArcGouging(A-CAG), Scratch TIG and designed for 24x7 usage.


  • Stable performance with long leads in MMA with E6013 and E7018 electrodes
  • Wide operating window: 20 to 630A
  • Wide mains voltage tolerance: 400V - 15%..+20%
  • User-friendly controls: Adjustable arc force & hot start in MMA mode and process selection switch for MMA / Scratch TIG
  • In-built protections: overcurrent, thermaloverload, overvoltage, undervoltage.

Arc 630i



Dimensions 650 x 355 x 624 mm


Weight 59 kg

Power Specifications

Current Range(A) 20 - 630 A
Efficiency at Maximum Current 85 %
Max Output (A) 630 A
Open Circuit Voltage 85 V
Phase 3
Power Factor at Maximum Current .93
Voltage Tolerance +20% -15 % V

Welding Output

Welding Output 488 A @ 100%
630 A @ 60%

Input Voltage

Frequency 50 / 60 Hz
Phase 3
Voltage 400 V


Application Classification S
Standards IEC 60974-1, IEC 60974 -10

Power Specifications

Enclosure Class IP21
Max Welding Output 613 A
Open Circuit VAC Low <16 VAC
Open Circuit VDC High 85 VDC

How to purchase Arc 630i

We're as eager to put ESAB gear in your hands as you are to have it.  That's why we sell our products with distributors who'll give you the attention, support, and value you deserve.  Their expertise will make sure that you're as happy with the purchasing process as we know you'll be with your purchase itself.

To make things even easier, we've developed the online shopping list below.  As you browse our site, you'll be able to click on any product to have it added to this easy reference sheet.  And when you're done, you can send the list to yourself or print it out and bring it in to the distributor of your choice.

To find an ESAB distributor, just use the distributor locator tool featured on every page of our site.  Alternatively, you can call our support line at +361 382 1235 and we'll point you in the right direction.

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