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Straight answers to the questions people ask most when choosing a welder from one maker's arc welding range.
Start with the work. Decide the thickest material you will weld, the largest electrode you expect to use, the supply you have and whether you move the machine around. Then compare models in the range on output current, duty cycle, supply voltage and weight.Models within a range often share a similar look but differ a lot in output and features, so read the specification rather than choosing by appearance.
Check the data plate or specification for the input voltage and phase. Some models run on single phase, some on three phase, and some accept a range of voltages, including 110 and 230 volts.Make sure the supply, plug and fuse suit the machine before you buy, and have any installation work done by a qualified electrician.
A package normally combines the power source with the leads needed to start welding, typically an electrode holder with cable and an earth clamp with cable. Contents differ between packages, so check what is included.You will still need electrodes, a helmet, gloves and other protective equipment. Check the cable length and rating suit the way you work.
A dual voltage model works from either a lower site voltage or a standard mains supply, so one machine covers both workshop and site. It is a flexible choice if you move between jobs.Output is often lower on the lower voltage, so check the figures for each supply and make sure the machine provides the current you need on the one you will use most.
Look at the maximum welding current, duty cycle at the current you will use, weight, supply options, the electrode types it handles and controls such as arc force and hot start. Display and ease of setting up also matter if several people share the machine.Some models also offer extras such as lift TIG capability or settings for specialist electrodes. Match the features to your actual jobs.
Many can, but the generator must be big enough for the welder's input demand and have a stable output. Not every generator suits inverter equipment.Check the welder's manual for generator guidance and make sure the generator rating covers the machine with some margin. If you are unsure, ask the maker or our team.