PRODUCT

WS(M)-400IGBT Inverter Pulsed Argon Arc Welding Machine 400A 2 in 1 Tig MMA Welder Stainless Steel Welder

Inverter & Soft‑Switch Technology: Digital control with advanced IGBT modules and rectifier diodes for reliable, efficient performance.
Adjustable MMA Performance: Separate hot‑start and arc‑force controls deliver optimal stick welding from Ø1.6–Ø5.0 mm.
Precise Arc Control: High‑frequency ignition and digital regulation ensure stable, repeatable strikes.
Compact & Lightweight: Ergonomic design for easy handling and operation in the field.
Built‑In Overheat Protection: Automatic shutdown safeguards the unit during extended use.
Customizable Settings: Save and recall welding profiles; select 2‑step or 4‑step trigger modes.
Multi‑Metal Capability: Ideal for carbon steel, stainless steel, copper/alloys, heat‑resistant steels, and titanium.
Rugged Field Use: Designed for power plants, chemical and oil‑field construction, and heavy‑industry applications in harsh environments.

Item		Unit	Model
			WS-315IGBT	WSM-315IGBT	WS-400IGBT	WSM-400IGBT
Input Power		V/Hz	3~380±15% 50/60Hz
Rated Input Capacity	TG	KVA	11.3		14.7
	MMA	KVA	14.7		19.5
Rated Input Current	TIG	A	17		22
	MMA	A	22		30
Rated Output Voltage	TIG	V	22.6		26
	MMA	V	32.6		36
Rated Open Circuit Voltage		V	64		73
Rated Duty Cycle			35% (40℃)
Efficiency	TIG		81%		89%
	MMA		85%		91%
Power Factor	TIG		0.77		0.79
	MMA		0.81		0.81
Hot Start Current Range	MMA	A	0~200
Arc Force Current Range	MMA	A	0~200
Gas Pre-flow Time		S	0~10
Gas Post-flow Time		S	0~20
Current Up-slope Time Range		S	0~10
Current Down-slope Time Range		S	0~10
Arc Striking Current Range		A	5~315		5~400
Output Current Range		A	5~315		5~400
Crater Current Range		A	5~315		5~400
Pulse Peak Current Range		A	/	5~315		5~400
Pulse Background Current Range		A		5~315		5～400
Pulse Frequency Range		Hz		0.2～99.9		0.2~99.9
Pulse Duty Ratio Range			/	10%～90%		10%～90%
Cooling Mode			Air Cooling
Insulation Grade			F
Ingress Protection			IP21S
Dimension(L×W×H)		mm	520×260×495
Power Source Net Weight		Kg	23		26