Electrical Input Requirements - Hyundai Dynamic auto 350M Operation Manual

3-7-1. Electrical Input Requirements.

Operate the welding power source from a three-phase 50/60 Hertz, AC power supply. The input
voltage must match one of the electrical input voltages shown on the input data label on the unit
nameplate. Contact the local electric utility for information about the type of electrical service available,
how proper connections should be made, and inspection required.
The line disconnect switch provides a safe and convenient means to completely remove all electrical
power from the welding power supply whenever it is necessary to inspect or service the unit.
•Do not connect an input (black) conductor to the ground terminal.
•Do not connect the ground (Protective Earth(PE)) conductor to an input line terminal.
1. Connect end of PE conductor to a suitable ground. Use a grounding method that complies with all
applicable electrical codes.
2. For Three-phase electrical input power : connect ends of Black input conductors to a de-energized
line disconnect switch.
This unit is equipped with a three-conductor that is connected at the
welding power source end for three-phase electrical input power.
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