NB系列逆变直流二氧化碳气体保护焊机※ 采用场管全桥逆变主电路及进口大功率器件MOSFET。※ 有过热、过压、过流、欠压等保护功能、安全可靠。※ 具有送丝稳定、暂载率高、轻便、节能、无电磁噪音等显著特点。※ 有电网波动自动补偿功能，并且动态特性好焊接飞溅极小、起弧成功率高、熔池深，工艺成型独特的美观。※ 特别适合低碳钢、合金钢及不锈钢的薄板焊接。NB Series Inverter CO2/MIG Welding Machine※ AII-bridge inverter circuit used and imported power MOSFET device.※ Over-heat, over-voltage, has flowed and so on the many kinds of security to guarantee the function.※ With wire stability, tentatively set high, light, energy, electromagnetic noise and other signiflcant features※ Network fluctuations automatic compensation function of welding spatter small arc, deep pool.※ Especially suitable for Iow-carbona steel, alloy steel and stainless steel plate welded. 

型号Model	NB-200D	NB-250D	NB-300D
输入电压（V）Required power	(单相)220V±10% 50/60Hz Single phase		(三相)380V±10% 50/60Hz Three Phase
额定输出电流（A）Welding Current Range	30-200A	40-250A	45-300A
额定空载电压（V）Rated Output Voltage	42	44	44
额定最大输入容量（kvA）Rated input capacity	6.5	9.0	12.0
送丝速度（m/min）Wire Feed speed	3.5-20
适用焊丝直径Applicable wire diameter(mm)	Φ0.8/Φ1.0	Φ0.8/Φ1.0	Φ0.8/Φ1.0/Φ1.2
额定负载持续率（%）Rated Duty Cycle	60%
体积LxWxH(mm)Dimensio	680x295x646			700x335x775
重量（kg）Weight	38	39		40
销售代码	01008004	01008010		01008011