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Portable Inverter Welder
Created with Pixso. WS(M)-315/400 IGBT Pro Inverter (Pulsed) TIG Welder
Detail Information
Place of Origin:
China
Certification:
CE
Packaging Details:
Carton
Supply Ability:
100 sets per month
Product Description

Main Features

■ A digital controlled welding machine,adopting inverter soft switch technology

■ The latest technology IGBTmodules and rectifier diodes are used on the machine,with good reliability

■ With excellent MMAwelding function,the hot start current and arc force current can be adjusted separately

■ Accurate welding control,with excellent arc striking

■ Lighter weight,smaller size and more user-friendly design,easy to operate

■ With automatic protection function of over-heating

■ All the welding parameters can be preset,stored and called out,with 2 step and 4 step functionselection

 

 

 

 

Product Application

■ It's mainly used for welding carbon steel,stainless steel,copper and its alloy,heat resistant steel,titanium alloy,etc

■ It is widely used in electric power construction,chemical construction,oil

field construction and heavy industry which requires frequent moving in bad environment

 

                  Main Technical Parameters

                      

Item Unit Model
WS-315IGBT Pro WSM-315IGBT Pro WS-400IGBT Pro WSM-400IGBT Pro
Input Power V/Hz 3~380±15%50/60
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 CurrentRange A / 5~315   5~400
Pulse Background Current Range A   5~315   5~400
Pukse 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

      

WS(M)-315/400 IGBT Pro Inverter (Pulsed) TIG Welder 0

 

WS(M)-315/400 IGBT Pro Inverter (Pulsed) TIG Welder 1

WS(M)-315/400 IGBT Pro Inverter (Pulsed) TIG Welder 2

 

 

 

 

 

Overall Rating
4.5
★★★★★
★★★★★
Based on 50 reviews recently
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4 star
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All Reviews
  • G
    G*e
    Brazil Nov 2.2025
    ★★★★★
    ★★★★★
    This welding machine is truly excellent! The 4-cylinder engine provides ample power, it doesn't overheat during continuous operation, the dual-drive wire feeding is incredibly stable, and the welds are smooth. The built-in generator is super convenient for outdoor work, and the 100L fuel tank provides impressive endurance, significantly improving construction efficiency.
  • G
    GENWELD LWG600A Pipeline Welding Machine with 4-Cylinder Air-Cooled Engine and AC230V/4Kw Generator Output for Robust Performance
    Costa Rica Aug 20.2025
    ★★★★★
    ★★★★★
    Operation is very simple; the digital control system is easy to learn, even for beginners. The arc is stable during welding, with minimal spatter, saving time on cleaning. The machine is compact and easy to transport, and it hasn't had any problems in two months of use – very reliable!