NB series inverter CO2 protection welding machineDetailed product description：

NB series gas shielded welding machine

Can specialize in welding thin and medium thick plates;
Suitable for gas shielded welding of various low-carbon and low-alloy steels;
Built in wire feeding mechanism;
High productivity, good quality, no slag, bright arc, high visibility;
The welding heat affected zone is small, the deformation is small, and the weld formation is beautiful.

model	NB-200/200F	NB-300/300F
Input voltage V	3N-50HZ-380V	3N-50HZ-380V
Input capacity KVA	six point nine	thirteen point two
insulation class	F	F
cooling method	air cooling	air cooling
No load voltage range V	17-31	18-44
Working voltage range V	16-24	16-29
Output current range A	35-200	35-300
Load duration rate%	forty	forty
Wire feeding speed range m/min	1.5-12.5	1.5-12.5
Applicable welding rod diameter Φ mm	0.8-1.2	0.8-1.2

Parameter model	NB-350	NB-500	NB-630
Power supply voltage (V)	AC 3-phase 380 ± 10%
Frequency (Hz)	fifty
Rated input current (A)	twenty-one	forty-two	sixty-one
No load voltage (V)	sixty-four
Current regulation range (A)	60-350	60-500	60-630
Load duration rate (%)	sixty
Output voltage (V)	14-31.5	14-39	14-44
Power Factor	eighty-nine
Efficiency (%)	eighty-seven
Wire feeder model	Panasonic interface
Welding wire diameter (mm)	1.0/1.2	1.0/1.2/1.6	1.0/1.2/1.6
insulation class	B
Shell protection level	IP21S
Range of thrust adjustment	0-100	0-100	0-100
Dimensions (mm) (Length x Width x Height)	580×280×570	630×320×590	650×330×590
Weight (kg)	forty	fifty	fifty-eight