Characteristic: 1. DC MMA welder. 2. Inverter technology welding equipment. 3. hand tool. Specification: 1. Input power voltage(V): 3-380V±15% 50/60HZ. 2.Rated input power capacity(KVA): 25 3.no load voltage(V): 67 4.Output current adjustment(A): 40-400 5.Rated output voltage(V): 36 6.Rated duty cycle(%): 60 7.No load loss(W): 80 8.Efficiency(%): 85 9.Power factor: 0.93 10. Rank of insulation: F 11. Rank of protection: IP21 12. Weight(Kg): 28 13. Dimensions(mm): 565×305×495