Efficiency welding machine 1) Input Voltage (V): 380V 2) Frequency(hz): 50-60 3) Phase: Single phase 4) Current range(A): 30-300 5) Rated input capacity(KVA): 12 6) No-load voltage(V): 69 7) Efficiency (%): 85 8) Protection class: IP21 9) Usable electrodes(mm): 2.5-5.0 10) Weight (kg): 30 DC inverter MMA welding machine Portable, fan-cooled, thermostatic protection, movable welding cable Advanced inverter technology, superior arc performance "Weld anywhere" with light weight, comfort to carry Digital indicator, deep molten pool and strong strength Application Installation worksites in outdoor environments.