




| 
				 Model  | 
			
				 NB-250  | 
		
| 
				 Company type  | 
			
				 A150-250Y  | 
		
| 
				 Rated input voltage  | 
			
				 Three phase 380V ±15% 50~60Hz  | 
		
| 
				 Rated input current(A)  | 
			
				 14  | 
		
| 
				 Rated input power(KW)  | 
			
				 6.6  | 
		
| 
				 Voltage adjusting range(V)  | 
			
				 15 ~ 29  | 
		
| 
				 No-load voltage(V)  | 
			
				 50  | 
		
| 
				 Current adjusting range(A)  | 
			
				 50 ~ 250  | 
		
| 
				 Wire feed rate range(m/min)  | 
			
				 18 ~ 20  | 
		
| 
				 Suitable welding wire Dia.(mm)  | 
			
				 Φ0.8/Φ1.0 (steel)  | 
		
| 
				 Suitable welding wire type  | 
			
				 solid  | 
		
| 
				 Duty cycle  | 
			
				 60%  | 
		
| 
				 Efficiency(η)  | 
			
				 90%  | 
		
| 
				 Power factor(cosΦ)  | 
			
				 0.93  | 
		
| 
				 Insulation grade  | 
			
				 F  | 
		
| 
				 Case protection grade  | 
			
				 IP21S  | 
		
| 
				 Dmiensions(mm)  | 
			
				 500×273×500  | 
		
| 
				 Power source net weight(Kg)  | 
			
				 27  | 
		
