The series of welding machine is manufactured with advanced inverter technology and IGBT power switching component.lt has the following advantages;Constant current output;precision adjustable current;high welding quality;beautiful welding seamw;quick arc dynamic response;reliable arc striking;selfcompensation capability of network voltage fluctuation;low power loss;high power factor;and easy to be operated etc,lt has been meticulously designed in the followings for the customers;as standard,equipped with the functions of slow raising time,slow falling time and argon-delaying time.lt has been widely used for the non-fusible electrodes inert gas shielded welding for stainless steel,carbon steel,copper and titanium,etc,and also for the manual welding with various acidic and alkaline electrodes.

Adjusting range of welding parameters

Parameters / Model	WS－250D	WS－315D	WS－400D	WS－500D
Rated Welding Current(A)	250	315	400	500
Rated Input Voltage(V)	三相 380V±10% 50HZ
Rated Output Current(A)	12	15	20.5	25
Rated Input Power(KVA)	8	10	13.5	16.5
Welding Current Range	10－250	15－315	20－400	30－500
Rated No-load Voltage(V)	60	75
Rated Duty Cycle	60％
Current Up Slope Time	0-5S
Current Down Slope Time	0-10S
Post-flow Time	3-15S
Outer Dimensions(mm*mm*mm)	630*330*590	630*330*590	630*330*590	720*370*680
Weight(kg)	40	50	54	65