Characteristic: 1. DC/MMA welder. 2. Portable design welding equipment. 3. inverter welding machinery. Specification: 1. Input power voltage(V): Single 220V±15% 50/60HZ. 2.Rated input power capacity(KVA): 4.4 3. no load voltage(V): 56 4. Output current adjustment(A): 10-140 5.Rated working voltage(V): 25.6 6.Rated duty cycle(%): 60 7.No load loss(W): 50 8.Arcing way: high frenquency 9.Efficiency(%): 85 10. Power factor: 0.93 11. Rank of insulation: F 12. Rank of protection: IP21 13. Weight(Kg): 7 14. Dimensions(mm): 290×132×216