1.抽头式气体保护焊机,结构简单,可靠性高,可使用co2,co2+Ar ,Ar,CO2+O2等保护气体. 1.Three-phase tap design, simple structure, high reliability, available for shield gas CO2, CO2+Ar Ar CO2 +O2 2.独特的送丝电机送丝更加平稳.  2.Particular wire-feeder make it smoother 3.精心设计主变压器和电抗器,使焊接性能达到同类焊机极限. 3.Redesigned main transformer and reactor make it perfect. 4.焊接参数匹配宽,,电弧柔和,熔滴过渡频率高,生产效率高.   4.Sof arc wide parameter range for high efficiency. 5.适合焊接低碳钢,高碳钢,不锈钢,NBC-200和NBC-250可焊最薄钢板0.6mm. 5.Suitable for low-carbon steel, high-carbon steel and stainless steel welding,NBC—200 and NBC-250wroks perfectly at thickness of 0.6mm   技术参数 Technology Specification 标准技术规格STANDARD TEC HNOLOGY SPECIFCATION   焊接电源Welding power source 型号 NBC-200 输入电压(V)频率(Hz)input voltage, Frequency 三相3Phase,380V±10%,50/60Hz 额定输入容量(KVA)Rated  input capacity 6.6 空载电压(V) 18-30 额定输入电流(A)Rated input current 9.9 输出电流范围(A)Range of output current 40-200 额定负载持续率(%)Rated duty cycle 35 工作电压(V) 16-24 点焊时间(S) 1-5 外形尺寸(长*宽*高)(mm)External size(L*W*H) 550*350*750 重量(Kg)Weight 86 冷却方式 Cooling style 风冷Fan-cooling 气体流量调节器Gas flow regulator GH-257 焊枪Welding torch QTB-200A 绝缘等级Insulation class F 外壳防护等级Covering protection class 1P21S