Model Number

NB-250J

I. Features
��Strong self-adjustability of arc, weld stably
��Support frequent welding, little spatter, high efficiency in melting metals
��Small distortion, fine welding seam
��Easy to strike arc
��Protection from phase lacking, overheat, overcurrent, over/under voltage
��Long-seam automatic locking in long seam welding
��Small size, light weight, easy to operate, high efficiency, low cost
��Can weld the thin-board framework made of low carbon steel and low alloy under the help of the solid-cored wire with a diameter of Φ0.8, Φ1.0mm
��Using area: automobile manufacturing, small-size workpieces processing, upholstering, and maintenance, etc.

II. Main parameters
Name                NB-200J NB-250J NB-300J
Power source/frequency 3-phase 380V 50/60Hz
Rated input power 9.2KVA 11KVA 15KVA
Rated input current 14A 17A 23A
Welding current/voltage 200A/24V 250A/27V 300A/29V
Welding current 200A 60%DE 250A 60%DE 300A 60%DE
155A 100%DE 190A 100%DE 230A 100%DE
No-load voltage (MAX) 30-40V
Adjustment range of voltage 14-27V 14-30V 14-32V
Efficiency 83%
Diameter of wire Φ0.8, Φ1.0mm
Weight 25Kg 28Kg 30Kg
Size 440?70?96mm
Weight of wire feeder 16 Kg
Air switch 32A 32A 40A
Input cable (mm2) 3?.5+1?.5 3?+1?.5 3?+1?.5
Dimensions (mm) 470?00?80 510?00?40
Raising means handle
Insulation class F
Protection class IP21
External feature Flat

III. Standard configuration
Power source, wire feeder, flow meter, welding torch, controlling wire cable and gas tube (5m each), earth lead (3m)