Wirefeeder WF4

• 42 V D.C. geared motor with electronic control of wire speed;
• 4 roll wire drawing unit;
• a gas solenoid valve;
• an electronic control board with the following externally controlled functions:
  - a switch for selecting 2-step and 4-step modes;
  - potentiometer for the wire speed adjustment;
  - potentiometer for BURN BACK with external adjustment;
  - potentiometer for motor start-up adjustment;
  - gas and wire test button.
• one potentiometer to control weld voltage.

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