Flextec 650

Flextec 650

The Flextec 650 is designed to be used with all welding processes including MIG, Flux Cored (both gas-shielded and self-shielded) Stick, DC TIG, gouging (up to 13mm carbons) and submerged arc welding. It is a popular choice for medium to heavy duty welding applications. The Flextec 650 is a powerful multi-process welder designed to handle all processes. Easy to use and portable to move around a construction or mine sites. Featuring a tough IP23 rated enclosure that is designed for outdoor operation and storage that will withstand extreme field environments (as opposed to an IP23S rating where the test is performed with the cooling fan not operating) The inverter technology of the Flextec 650 yields a higher efficiency and power factor compared to similar conventional power sources resulting in lower running costs.




  • Heavy fabrication


  • Subarc welding


  • General construction


  • Mining


  • Contractors


  • Maintenance/repair


  • Service truck





Part no.




Output Range


10A/10V - 850A/44V






Duty Cycle


650A/44V@100%, 750A/44V@60%


Output Range(Amps)


10 - 815 Amps


Rated Output (Duty Cycle)




Primary/Input Voltage




Dimensions (mm) H x W x D


555 mm , 409 mm , 745 mm


Net Weight (kg)




Operator Manual





Product Code: K3278-1