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    3. Model:WSM-R/RH/RMInverted DC pulse argon arc welding machine

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      Technical parameters

      Model WSM-400R/RH/RM WSM-500RM
      Rated input voltage / frequency(KVA) Three-phase380V(+ / -)10% 50Hz
      Rated input capacity(A) 17.1 25.7
      Rated input current(% ) 26 32
      Rated load sustainability(V ) 60 60
      Output noHoad voltage(A) 72 85
      Output current range(A) 5~400 5~500
      Arc starting current(A) 10~400 5~500
      Peak current(A) 5~400 5~500
      Arc stopping current(A) 5~400 5~500
      Time of current increasing(S) 0.1~10
      Time of current decreasing(S) 0.1-15
      Pre flow time(S) 0.1-15
      Lagging time of gas stopping(S) 0.1~20
      Pulse frequency(Hz) 0.2~20
      Pulse duty(%) 1~100%
      TIG pilot arc style HF arc
      Cooling mode Water cooling
      Shell protection grade IP21S
      Insulation grade H/B
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