STICK WELDERS
Idealarc® R3R-500-I & 600-I
400 and 500 Amp DC Stick Welding Power Sources
Look to the R3R family of power sources from Lincoln Electric for your heavy-duty stick
welding needs. Whether you’re using mild steel, low hydrogen, stainless steel or hardfacing
electrodes, the Idealarc R3R-500-I and R3R-600-I produce a smooth, quality arc for
consistent results day-in and day-out. The R3Rs provide piece of mind with their traditional,
fan-cooled design for long life expectancy and low cost operation, calibrated current control
knob for simple and easy procedure setting, and all weather protection including a powder
paint finish for durability in even the roughest environments. The R3R-500-I and 600-I are
also proven DC TIG welders – simply add optional TIG accessories and a cylinder of
shielding gas.
Processes
Description
50
Hz
3
Stick
TIG
Gouging
DC
CC
Output
Input
60
PHASE
Advantage Lincoln
Recommended General Options
Remote Output Control, Undercarriage
• The R3Rs produce a quality, low spatter, smooth arc without
pop-outs. Line voltage fluctuations of up to 10% are handled
by the R3Rs input compensation function, which keeps the out-
put constant.
Recommended Stick Options
Accessory Kit (400 amp)
• Calibrated current control knob makes procedure setting simple
and easy. Polarity switch, voltmeter and ammeter are standard.
Recommended TIG Options
• Smooth arc makes it easy to weld with mild steel, low hydrogen,
stainless steel and hardfacing electrodes.
Pro-Torch™ TIG Torches, TIG Module, Docking Kit, Hand
Amptrol™, Foot Amptrol, Contactor Kit, Water Valve Kit,
TIG Control Cable, TIG Control Cable Extension, Deluxe
Adjustable Gas Regulator and Hose Kit
• Stackable case design with built-in lift hook allows for easy
storage and handling. Machines can be safely stacked three
high (without an undercarriage) to conserve floor space.
Order
• Submersion dipped transformer assembly for added corrosion
and moisture protection.
K1380-2 R3R-500-I
K1381-2 R3R-600-I
• Totally enclosed fan motor is permanently lubricated.
• Designed to NEMA specifications.
• The R3R-500-I is capable of arc gouging using a carbon elec-
trode with a maximum diameter of 5/16" (7.9mm). Use up to a
3/8" (9.5mm) diameter carbon with the R3R-600-I.
• Three year warranty on parts and labor.
• Manufactured under a quality system certified to ISO 9001
requirements.
TECHNICAL SPECIFICATIONS
Dimensions
H x W x D
in.(mm)
Product
Name
Product
Number
Input
Power
Rated Output
Input Current @
Net Weight
lbs.(kg)
Current/Voltage/Duty Cycle(1) Rated Output
Output Range
R3R-500-I
R3R-600-I
K1380-2
K1381-2
220/380/440/3/50/60
220/380/440/3/50/60
400A / 36V / 60%
500A / 40V / 60%
74 / 47 / 37A
88 / 56 / 44A
60-500A
31.0(2) x 22.3 x 32
(787 x 566 x 813)
402
Max. OCV: 67V
(183)
75-625A
Max. OCV: 67V
31.0(2) x 22.3 x 32
(787 x 566 x 813)
446
(203)
(1) NEMA Class I Rated Output / Based on a 10 minute period.
(2) Includes lift bail.
Publication E2.100.1 6/03
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