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1.NB-350 IGBT Inverter Semi Automatic Gas Shielded Welding Machine, 2.Digital display, 3.Waveform control tech., 4.Soft switch - details see: https://www.machineto.com/nb-350-nb-series-igbt-inverter-semi-automatic-gas-shielded-welding-machine-10133986

NB Series IGBT Inverter Semi Automatic Gas Shielded Welding Machine

Features:

1. Adopt waveform control technology to improve appearance of weld and reduce splash.

2. Use digital display to preset welding parameter accurately.

3. Current and voltage can continuous adjust in wide rage.

4. Soft switch technology makes the machine high efficiently and high reliably.

5. Passive power factor calibration (PPFC) technology has high power factor.

6. Arc-starting with slow wire feeding will be easy to starting arc and increase success rate.

7. Wipe off small curve loop when ending arc.

8. Small welding deformation, good welding point

Technical parameter:

Model	NB-350	NB-500	NB-630
Rated Input Voltage(V)	3~380	3~380	3~380
Rated Input Power(kV/A)	14.4	25	35.8
Welding Voltage Range(V)	17-31	17-39	17-44
Output Current Range(A)	60-350	60-500	60-630
Rated Duty Cycle (%)	60	60	100
Efficiency (%)	89	89	89
Power Factor	0.87	0.87	0.87
Welding Wire Diameter(mm)	0.8-1.2	1.0-1.6	1.0-1.6
Cooling Style	Wind-cooling
External Size L*W*H(mm)	576*310*573	640*334*586	690*334*586
Weight (kg)	40	50	58