MIG Welder (GMAW, IGBT Inverter), NB Series

Features IGBT inverter technology, stable output current, strong resistance to voltage fluctuation (V±15%), high load duration rate; Electric reactor control, stable welding, less spatter, deep weld pool and good weld formation; Current and voltage can be adjusted separately, can accomplish CO2/MAG welding, and can be configured with fully automatic welding equipment; Suitable for welding of plate with thickness over 1.0mm; Model NB-S welder has functions of manual arc welding, carbon arc gouging and gas shielded welding; Model NB-500D welder use digital control, stable performance; Standard Configurations Earth clamp 1pc CO2 gas flow meter 1pc Wire feeding machine 1pc Earth cable 2m Control cable 5m Water-cooled welding torch 1pc Technical Parameters

Base metal	Process	Welding wire dia. (mm) (Φ)	Welder model	Current adjustment(A)
Carbon steel, stainless steel, low-alloy steel	CO2/MAG	1.0/1.2	NB-350/350s	50~350
	CO2/MAG	1.0/1.2/1.6	NB-500/500S/500D	80~500
	CO2/MAG	1.0/1.2/1.6	NB-630	100~830
	MIG (solid wire)	1.2	NB-500/500S/500D	260~420
	CO2(flux-cored wire)	1.2	NB-350	120~300
	CO2(flux-cored wire)	1.2/1.6	NB-630	120~450

Model	NB-350* (MIG-350)		NB-350S* (MIG-350S)		NB-500* (MIG-500)		NB-500S* (MIG-500S)	NB-500D*(MIG-500D)	NB-630 (MIG-630)	NB-630S (MIG-630S)
Rated input voltage (V)	Three phase 380V ±15%
Rated frequency (Hz)	50/60		50/60		50/60	50/60		50/60	50/60	50/60
Rated input capacity (KVA)	14		14		24.4	24.4		24.4	35.8	35.8
Rated input current (A)	21		21		37	37		37	56.8	54.4
Rated operational voltage (V)	34		34		39	39		39	54.4	45
Duty cycle (%)	60		60		60	60		60	60	60
Efficiency (%)	85		85		85	85		85	85	85
Power factor	0.93		0.93		0.93	0.93		0.93	0.93	0.93
Output current adjustment (A)	60~350		60~350		60~500	60~500		60~500	60~630	60~630
Output current adjustment (A)	15~40		15~40		15~50	15~50		15~50	15~50	15~50
Welding cable (mm2)	≥ 35		≥ 35		≥ 50	≥ 50		≥ 50	≥ 70	≥ 70
Net weight (kg)	42.6		42.6		50.3	50.3		50.3	62	64
Dimension (mm)	642×323×573		642×323×573		642×323×573	642×323×573		642×323×573	690×350×640	690×350×640