WSM7-400 Water-cooling Pulse TIG Welder

Our WSM7-400 pulse TIG welder is the new-general all-digital TIG welder.

It has all the functions of WS7 TIG welder, as well as pulse welding.

This model is the new water-cooling type, more convenient to use.

■ The pulse TIG welder can start arc with HF Pulse, adopt DSP digital control, and have 30 saving channels

■ Automatic switch off from overcurrent, overheat, over/under voltage

■ Support DC TIG welding, pulse TIG welding and MMA welding, can weld such metals as stainless steel, alloy steel, copper, silver, titanium, etc.

■ LCD shows menu and functions, with fast forward key on the front panel

■ Pre digital set of welding current, current up/down slope

■ Arc burns stably even the lowest output current is 10A, even 5A

		WSM7-400
Power supply		3-phase 380V/415V 50Hz
Rated input capacity		17.3 KVA
Rated input current		26.3 A
Rated TIG welding current		400A
Welding current		400A 60%DE
		315A 100%DE
Adjustment range of current (A)		20-400
Efficiency		>83%
No-load voltage	TIG	40-50V
	MMA	70-80V
Current up/down-slope time		0-10S
Maintaining time		0-10S
Pulse frequency		0.2-200Hz
Peak//bottom current (A)		20-400
Pulse frequency (Hz)		0.25-25
Pulse duty circle (%)		1-99
Dimensions (mm)		590×306×500
Weight (Kg)		55
Insulation class		F
Protection class		IP23S