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DC600 Multioperator Paks

Top Features

  • Available in 4Pak and 6Pak Configurations
  • Built to Red-D-Arc Extreme-Duty Specifications
  • Full Range Output Control, Standard Ammeter and Voltmeter
  • 600 amps DC at 44 volts and 100% Duty Cycle

All the power of a single DC600 multiprocess welder, in a multioperator package available in both a 4Pak and 6Pak welding system. Features both 42 VAC and 115 VAC auxiliary power for operating a wide range of wirefeeders and tractors.

Product Details


Individual Module Specifications
DC Amperage Range: 70 - 780 A (CV), 90 - 780 A (CC)
Maximum OCV: 72 VDC
Rated CC Output: 680 A at 44 VDC, 60% duty cycle
600 A at 44 VDC, 100% duty cycle
DC Voltage Range: 13 - 44 V (CV), 24 - 42 V (CC)
Rated Input Current: 600 A, 44 VDC, 100% duty cyle: 113 amps at 230 V, 56.5 amps at 460 V, 45.2 amps at 575 V
Weight: 640 lb (291 kg) including frame
Dimensions: H: 31.6" (803 mm) W: 28.0 (711 mm) L: 41.0" (1041 mm)
4Pak Specifications
Weight: 2832 lb (1284 kg)
Dimensions: H: 76" (1930 mm) W: 56" (1422 mm) D: 50" (1270 mm)
6Pak Specification
Weight: 4205 lb (1906.9 kg)
Dimensions: H: 76" (1930 mm) W: 84" (2134 mm) D: 50" (1270 mm)
Product specifications and availability may vary by country

Additional Features

Designed for GMAW (MIG), FCAW and submerged arc welding, and stick and air carbon arc gouging with up to 3/8" diameter electrodes. Includes standard terminal strip for wirefeeders and remote control. Built to Red-D-Arc Extreme-Duty specifications including a unique, proprietary Pak-Lok connection system which permits the removal or replacement of individual units without having to disassemble the complete system. Each Pak operates on either 460 or 575 volt three-phase input power from a single power supply. For added convenience, an available insulated steel base (shown) provides electrical isolation for the Pak when set on conductive surfaces.


  • Extreme-Duty™ stainless steel construction for operation in harsh environments
  • Outstanding arc characteristics on both constant current and constant voltage processes
  • Windings and rectifiers protected against moisture and corrosive environments
  • Full range output current/voltage potentiometer for easy operation and precise tool control
  • Solid state circuitry provides extra-long life for repetitive welding applications
  • Ammeter and voltmeter for viewing weld parameters
  • Three position mode switch (CC Stick, CV MIG/FCAW, and CV Submerged Arc) for optimal arc characteristics
  • Line voltage compensation for constant output regardless of input power fluctuations up to +- 10%
  • Fan cooled with electronic and thermostatic protection from current overload and excessive temperatures
  • Terminal strip connections for remote control and wirefeeders
  • Heavy duty push button on/off control with pilot light
  • Can be paralleled for up to 1,200 amps at 100% duty cycle of welding power (paralleling kit required)
  • 3 year warranty on parts and labor
  • Certified to ISO requirements, CSA approved
  • Rugged tubular Pak-Lok-Frame™ enclosure for increased protection
  • 115 VAC 15 amps auxiliary power, duplex receptacle (1)
  • Fuse protected 42 VAC 10 amp auxiliary power circuit with MS connection for 42 VAC wirefeeders (1)
  • Fuse protected 115 VAC 15 amp auxiliary power circuit with MS and terminal strip connections for 115 VAC wirefeeders and 15 amp duplex receptacle for power tool operation (1)
  • Can be combined with other types of welders in Selecta-Paks™ for a range of welding and cutting capabilities
  • (1) Machine codes below #10663 do not have 42 volt auxiliary power, 115 VAC auxiliary duplex receptacle, or MS connections.

All Product Resources

Options, Accessories and Related Equipment

Voltage sensing, constant speed or automatic wirefeeders
Sub-arc tractors
Spool guns
Multiprocess switch
Remote control

Related Equipment
LN25 wirefeeder
NA3, NA5 automatic wirefeeders
LT7 sub-arc tractors

DC600 Multioperator Paks

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Airgas, an Air Liquide company, is the nation's leading single-source supplier of gases, welding and safety products. Known locally nationwide, our distribution network serves more than one million customers of all sizes with a broad offering of top-quality products and unmatched expertise.