Idealarc R3R-400 Welder
Idealarc R3R-400 and R3R-500
Idealarc R3R-400 and R3R-500 Welders
Idealarc R3R-400 Welder
Lincoln Electric's Idealarc R3R-400

Idealarc® R3R-400 Stick Welder


Idealarc R3R-400 Stick welder produces a smooth arc for heavy duty Stick welding applications.


Output Output


Input Input


USD $7,456.00/EA

This product is not currently available for sale in this region.


Heavy Duty Stick Welding and Carbon Arc Gouging

Look to the R3R-400 for your heavy duty Stick welding needs. Whether you are using cellulosic, low hydrogen, stainless steel or hardfacing electrodes, the Idealarc® R3R-400 produces a smooth, quality arc for consistent results day-in and day-out.

  • Substantial amperage ranges include the R3R-400 at 60-500 amps.
  • Easy to operate - Calibrated current control knob makes procedure setting simple and easy.
  • Polarity switch, voltmeter and ammeter are standard on the K1285-16 R3R-400.
  • Arc gouge with the R3R-400 using up to 5/16 in. (7.9 mm) diameter carbon electrode.
  • Smooth arc - Makes it easy to weld with mild steel, low hydrogen, stainless steel and hardfacing electrodes.
  • Stackable case design - With built-in lift hook allows for easy storage and handling. Machines can be safely stacked three high to conserve floor space.


Warning -

Cancer and Reproductive Harm -

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Product Weights & Dimensions

Dimensions (H x W x D) 27.5 in x 22.3 in x 32 in (699 mm x 566 mm x 813 mm)
Net Weight 402 lbs (183 kg)


Machines Processes Stick (SMAW)
Gouging (CAC-A)
Max Rating 500
Machines Communication Technology analog
Wire Feeder Supply Voltage 15-110VDC
Amphenol Pins (type of connector) 6
Work Lead Connector Type Lug

Stick Welders

Stick Welders Amperage 400A/36V/60%
Stick Welders Duty Cycle 60%
Safety Listing CSA (Y/N) Yes
Safety Listing ETL (Y/N) No
Safety Listing UL (Y/N) Yes

Basic Specification

Input Voltage 230/460V
Input Current 74/37A
Input Hertz 60
Input Power 230/460/3/60
Input Phase 3
Output Range 60-500A DC
Rated Output 400A/36V/60%


Typical Application Heavy Fabrication


Warranty 3 Years