cheap igbt inverter 250amps Mig Welding Machine power weld mig Welder

cheap  igbt inverter 250amps Mig Welding Machine  Features and purpose 1.Arc can transit between intervasl stably with little splash, can form well seam, get nice welding seam
2.Advanced electric circuit design, reduce damage to power switch, the power elements generate little heat, can obviously increase the duty cycle
3.Light, high efficiency, energy-saving.Its high inverter frequency can reduce power loss obviously, distinct its energy-saving factor 4.Welding curent and voltage can be adjusted continuously, can satisfy the needs of different welding requirements
5.Concise circuit desing, reliable and complete machine functions, convenient for automatic welding
6.Quick protection circuit against over current, suitable for continuous work
7.Mainly applicable for welding of ferrous metal like carbon steel, low carbon steel and stainless steel; Machines above 350A are widely used in ship-building, automobile, bridge, steel structure. Machine below 250A are specially suitable for welding of thin plate

Type	NBC-200	NBC-250	NBC-315
Rated input power(V)	AC380 V±15%	AC380 V±15%	AC380 V±15%
Rated frequency(Hz)	50/60Hz	50/60Hz	50/60Hz
Rated input current(A)	9.2	12.7	18.2
Output current range(A)	50~200	50~250	50~315
Rated output volt (V)	16.5~24	16.5~26.5	16.5~30
Rated duty cycle(%)	60	60	60
Wire diameter(mm)	0.8~1.0	0.8~1.0	0.8~1.2
Insulation class	F	F	F
Cover protection class	IP21	IP21	IP21
Dimension: LxWxH(mm)	880x300x640	880x300x640	880x300x640
Weight:kg	64	66	67

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