CO2 gas protected welder

1 CO2 gas protected welder, gas welder
2 Reduced size and weight
3 Highly effective and energy saving
4 Arc welder
High Frequency CO2 Gas Protected Welder NB-500(IGBT)

1. Micro-computer IC control technology is applied to improve stability of welding machine and make
operation more convenient and faster;
2. Adjustable hard and soft properties of electric arc fit technical requirements of usage;
3. Highly energy-efficient IGBT inversion soft-switch control technology embodies high stability of
inverter with 10% less power consumption than common welding machine with hard switch;
4.Closed-loop feekback control embodies stable output voltage,powerful resistance against voltage
flucuation,continuous and adjustable.
5.Welding voltage,precise matching with welding current and excellent welding characteristics;
6.Equipped with "Arc-Collection ON" and "Arc-Collection OFF" welding modes to address different
welding demands;

Detail information:
Model
NB-350(IGBT)
NB-500(IGBT)
NB-630(IGBT)
Power Voltage
3 phase
AC380V ±15%
3 phase
AC380V ±15%
3 phase
AC380V ±15%
Frequency(HZ)
50/60
50/60
50/60
Power capacity(KVA)
14
25
36
Rated input current(A)
21
38
54
Duty cycle(%)
60
60
60
Rated output voltage (V)
31.5
39
44
Power factor
0.87
0.87
0.87
Efficiency(%)
89
89
89
Output current range(A)
60-350
60-350
60-630
Output voltage range(V)
15-40
15-50
15-50
Diameter of electrode
0.8-1.6
1.0-1.6
1.0-2.0
Gas flow(L/min)
15-20
15-20
15-20
Cooling way
fan
fan
fan
Insulation Class
B
B
B
Protection Class
IP21
IP21
IP21
Weight(kg)
35
39
45
Overall Dimension(mm)
610×320×590
610×320×590
610×320×590