Model GFW11-200AB(E) GFW11-220AB(E) GFW11-250AB(E) GFW11-200AGB(E) GFW11-220AGB(E) GFW11-250AGB(E) Rated Welding Current(A) 200 220 250 200 220 250 Welding voltage(DC)(v) 24-30 24-30 24-32 24-30 24-30 24-32 Welding current range(A) 50-200 50-220 50-250 50-200 50-220 50-250 Applicable ElectrodeΦ(mm) 2.5-4.0 2.5-4.0 2.5-5.0 2.5-4.0 2.5-4.0 2.5-5.0 Duty Cycle  0.6 0.6 0.6 0.6 0.6 0.6 Phase  Single phase/Three phase AC Frequency(Hz) 50 / 60Hz 50 / 60Hz 50 / 60Hz 50 / 60Hz 50 / 60Hz 50 / 60Hz Rated AC Output (KW) 5.0/6.0 6.0/7.0 7.0/7.5 5.0/6.0 6.0/7.0 7.0/7.5 Rated AC Output Voltage(V) 110；120；110/220；120/240；220；230；240；220/380；230/400 Engine Model  GF190F(E) GF192F(E) GF192FB GF190F(E) GF192F(E) GF192FB Max. Outpput (HP) 15 17 18 15 17 18 Displacement (cc) 420 440 460 420 440 460 Type  Single-cylinder,4-stroke,Air cooled,OHV Compression ratio  8.3：1 Starting System  Recoil/Electric           Lubrication Systerm Forced Lubrication           Fuel Tank  (L) 6.5 6.5 6.5 11 11 11 Oil Capacity  (L) 1.1 1.1 1.2 1.1 1.1 1.2 Noise Level (Db/7m) 66 66 70 66 66 70 Packing Dimensions(mm) 810X545X560 810X545X560 810X545X560 810X545X560 810X545X560 810X545X560 Gross Weight(kg) 90 93 107 93 96 110