HD500

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The HD500 is an economical solution for the most demanding GMAW and Flux Cored arc welding applications.

Rated 500 Amp at 50% duty cycle (363 Amp at 100%) the "Heavy Duty" HD500 provides high quality welding performance from thin sheet metal to thick plate.

Simple Control Panel provides Advanced Functionality

Wire Diameter - Gas & Wire Type Switch
- Presets idea fixed conditions to ensure a good arc start, arc end, and spatter control Digital Amperage & Voltage Meters Crater Fill Function
- Adjust output to easily fill the crater at the weld end
- Controls initial condition when selected (internal dip switch)
- Provides cruise control Synergic (One-knob) Control
- Combines wire feed speed (Amperage) and arc voltage to easily go from thin sheet to thick plate welding by adjustingonly one knob - ideal for less experienced operators Penetration Control
- Delivers uniform penetration even when tip-to-work distance varies Gas Check Switch
- Activates gas flow to pre-set flow rate with no machine out-put to avoid wasting welding wire Warning Lamp (Error Detection)
- Fully illuminates or flickers depending upon error type
- Trouble shooting guide identifies errors

  • Ideal for use with mild steel and stainless steel wires - solid or flux cored
  • Very stable arc with 100% CO2 or Argon / CO2 mixtures on mild steel
  • Positive output terminals for high and low inductance helps minimize spatter in any output range
  • Built-in running gear with cylinder rack and steering handle
  • Standard 15 ft. remote pendant provides wire feed speed, arc voltage, and wire inching control at the work area
  • Pre-wired 7 ft. primary input power cable
  • Wire slow-down on / off switch for improved arc starts
  • On / off switch for Fan-on-demand for power saving or extended cooling
  • Light weight wire feeder with control circuits built-in the power source for durability

Specification Value
Number of phases 3
Rated frequency 50/60Hz
Rated input voltage 230V : 460V
Input voltage range 207-253V : 414-506V
Rated input power 31.5kVA (28kW)
Rated input current 79.1A : 39.5A
Rated output current 500A
Rated load voltage 45V
Rated output current range 50-500A
Rated output voltage range 15-45V
Maximum no-load voltage 65V
Rated duty cycle 50%
Number of welding conditions
Operating temperature range 14º F to 104º F (-10 to +40º C)
Operating humidity range
Storage temperature range
Storage humidity range
Dimensions (W x D x H) 16.1" x 26.0" x 37.2" (408mm x 660mm x 945mm)
Mass 364 lbs (165.0 kg)
Rated input power for DC TIG scratch start
Rated output current for DC TIG scratch start
Rated load voltage for DC TIG scratch start
Rated output current range for DC TIG scratch start
Rated duty cycle for DC TIG scratch start
Rated input power for DC STICK scratch start
Rated output current for DC STICK scratch start
Rated load voltage for DC STICK scratch start
Rated output current range for DC STICK scratch start
Rated duty cycle for DC STICK scratch start