Model	DFW-200A	DFW-250A	DFW-300A	DFW-350A
Rated Power(KW)	4KW	5KW	6.3KW	7.3KW
Max Power(KW)	5.0KW	5.5KW	7.3KW	8.3KW
Rated Freq	50Hz	50Hz	50Hz	50Hz
Rated Volt	220V/380V Optional	220V/380V Optional	220V/380V Optional	220V/380V Optional
Phase	1-phase/3-phase Optional	1-phase/3-phase Optional	1-phase/3-phase Optional	1-phase/3-phase Optional
Power factor	1	1	1	1
Generator Type	Carbon brush	Carbon brush	Carbon brush	Carbon brush
Excitation mode	Brush automatic excitation(AVR)	Brush automatic excitation(AVR)	Brush automatic excitation(AVR)	Brush automatic excitation(AVR)
Start mode	Recoil start/Electrical start	Recoil start/Electrical start	Recoil start/Electrical start	Recoil start/Electrical start
structure type	Open frame	Open frame	Open frame	Open frame
Fuel tank capacity	15L	15L	15L	15L
Volume length and width	720*480*620	720*480*620	720*480*620	720*480*620
Engine Model	186FA	188FA	190FA	192FA
Power form	1-cylinder, 4-stroke, Air-cooling	1-cylinder, 4-stroke, Air-cooling	1-cylinder, 4-stroke, Air-cooling	1-cylinder, 4-stroke, Air-cooling
Fuel	Diesel	Diesel	Diesel	Diesel
Compression ratio	20:01	20:01	20:01	20:01
Rated speed	3000r/min	3000r/min	3000r/min	3000r/min
Insulation Class	F	F	F	F
Cooling method	Air-cooled	Air-cooled	Air-cooled	Air-cooled
Welder
Rated output	140A/26.4V	160A/26.4V	180A/28V	200A/28V
Welding current adjust range(A)	10-200	10-250	10-300	10-350
No-load voltage(v)±5	65	65	70	70
Rated Cycle Duty %	60	60	60	60
Efficiency%	85	85	85	85
Power factor	0.7	0.7	0.7	0.7
Insulation Class	F	F	F	F
Cooling method	Air-cooled	Air-cooled	Air-cooled	Air-cooled
Long welding electrode	3.2	3.2	4	4