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WSM7-400 Water-cooling Pulse TIG Welder

Gtaw Welding Machine

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.

    1. Features

    ■ 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

     

    1. Main Parameters

                       

    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