Robust Feed Pulse/U6


Robust Feed Pulse/U6

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The Robust Feed, with its ergonomic, robust and enclosed design, is the ideal partner whenever portability and durability are key. Equipped with a new precision wire drive system perfect for demanding applications. Additional features include an MMA outlet and integrated flow meter.

Variants include heater and/or push-pull interface, panel options include a direct Pulse panel and a menu based U6 panel. Robust Feed U6/Pulse works with Aristo power sources.




  • Durable, drop-proof housing that withstands demanding applications
  • Great portability with ergonomic handles, 5 lifting points and safe for crane lifting handles
  • Weatherproof, enclosed design that withstands rain from all directions and inside heater ensures the filler metal is kept dry
  • Protected cable connectors and sturdy strain relief for interconnection cable reduces maintenance
  • Works as great in the field as in workshops, on a cart, with or without wheel kit, and other options and accessories


  • Energy
  • Industrial and General Fabrication
  • Mobile Equipment
  • Pressure Vessels
  • Railcars
  • Tank and Vessel Fabrication
  • Transportation
  • Structural Steel Fabrication
  • Marine and Offshore
  • Steel Erectors


Dimensions 675 x 265 x 418 mm (26.6 x 10.4 x 16.5 in.)


Weight 16.7 kg (36.8 lb)

Power Specifications

Protection Class IP44

Wire Feeder Specifications

Max Spool Diameter 300 mm (12 in.)
Wire Diameter 0.6 - 2.0 mm (0.023 - 5/64 in.) 0.6 - 1.6 mm (0.023 - 1/16 in.) 0.8 - 2.4 mm (0.031 - 3/32 in.) 0.8 - 1.6 mm (0.031 - 1/16 in.)
Wire Feed Speed 0.8-25.0 m/min
Wire Spool Capacity 20 kg
Metal Mild Steel Stainless Steel Cored Wire Aluminium

Welding Output

Welding Output 500 A @ 60%
400 A @ 100%
630 A @ 35%

Input Voltage

Voltage 42 V


Operating Temp -20 to +55 °C (-4 to 131 °F)
Standards CE, CSA

Part Numbers and Accessories

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Part Numbers : Robust Feed Pulse/U6
Robust Feed Pulse Air-cooled Tweco (push pull capable, gas flow meter+heater) 0445800893
Robust Feed U6 Air-cooled Tweco (push pull capable, gas flow meter+heater) 0445800890
Robust Feed U6 Water-cooled Euro (push pull capable, gas flow meter+heater) 0445800895 FIND A DISTRIBUTOR

NOTE: Power Sources, Basic Packages and Ready to Weld Combinations require the customer to supply input power cables. Suggested cable is 4C 8Awg input cable

Accessories : Robust Feed Pulse/U6
EURO MIG Gun connection kit (with push pull) 0446120886 FIND A DISTRIBUTOR
Guide Pin Extension Kit ** 0465508880 FIND A DISTRIBUTOR
Liquid Cooling Kit (to upgrade air cooled feeders) 0446123880 FIND A DISTRIBUTOR
Quick Connector Marathon Pac F102440880 FIND A DISTRIBUTOR
Robust Feed Wheel Kit 0446081880 FIND A DISTRIBUTOR
Torch Strain Relief 0446082880 FIND A DISTRIBUTOR
Trolley (Robust Feed/Warrior Feed/Aristo Feed) 0349313450 FIND A DISTRIBUTOR
Tweco 4 MIG Gun connection kit (with push pull) 0445120888 FIND A DISTRIBUTOR

Extension Kit required when Wheel Kit is used in combination with Trolley

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