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DC600 Submerged Arc Welder

DC600 Submerged Arc Welding Machine

Top Features

  • Rugged Tubular Pak-Lok-Frame
  • 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

Designed for submerged arc, GMAW (MIG)and FCAW welding and stick and air carbon arc gouging with up to 3/8" diameter electrodes. Includes standard terminal strip for wire feeders and remote control.

Product Details


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
Voltage Input: 230/460/575/3/60
Weight: 640 lb (291 kg) including frame
Dimensions: H: 31.6" (803 mm) W: 28.0 (711 mm) L: 41.0" (1041 mm)

Additional Features


  • 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 wire feeders
  • 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
  • Can be assembled with Pak-Lok™ connectors into 4Pak™ and 6Pak™ multioperator systems with single source power output ideal for onsite applications including construction and shipbuilding
  • 115 VAC 15 amps auxiliary power, duplex receptacle (1)
  • Fuse protected 42 VAC 10 amp auxiliary power circuit with MS connection for 42 VAC wire feeders (1)
  • Fuse protected 115 VAC 15 amp auxiliary power circuit with MS and terminal strip connections for 115 VAC wire feeders 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.

Options, Accessories and Related Equipment

Shop cart
Voltage sensing, constant speed or automatic wire feeders
Sub-arc tractors
Spool guns
Multiprocess switch
Remote control
2kW 115 VAC duplex receptacle

Related Equipment
LN25 wire feeder
Cobramatic™ wire feeders
NA3, NA5 automatic wire feeders
LT7, LT56 sub-arc tractors

DC600 Submerged Arc Welder

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Airgas, an Air Liquide company, is a leading U.S. supplier of industrial, medical and specialty gases, as well as hardgoods and related products; one of the largest U.S. suppliers of safety products; and a leading supplier of ammonia products and process chemicals.