Lincoln Electric R3R-400 User Manual
®
CC
DC
60
Hz
3
PHASE
STICK WELDERS
Idealarc
Look to the R3R-400 and R3R-500 power sources from
Lincoln Electric for your heavy-duty stick welding needs.
Whether you are using cellulosic, low hydrogen, stainless
steel or hardfacing electrodes, the Idealarc R3R-400 and
R3R-500 produce smooth, quality arcs for consistent
results day-in and day-out.
The R3R-400 and R3R-500 provide peace of mind with
their traditional 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 the roughest
environments. Need to do arc gouging? The R3R-400 and
R3R-500 can help you do that too!
Processes
Stick, TIG, Gouging
R3R-400 & 500
Advantage Lincoln
Output
Input
• The R3R-400 and R3R-500 produce quality, low spatter, smooth arcs
without pop-outs. Line voltage fluctuations of up to ±10% are handled
by the R3R compensation function to keep the output constant.
• Easy to operate. Calibrated current control knob makes procedure
setting simple and easy. Polarity switch, voltmeter and ammeter are
standard.
• 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.
• Submersion dipped transformer assembly for added corrosion and
moisture protection.
TECHNICAL SPECIFICATIONS
Product Product Input Rated Output Input Current Output H x W x D Net
Name Number Power Current/Voltage/Duty Cycle @ Rated Output Range inches (mm) Weight
R3R-400 K1285-16 230/460/3/60 400A / 36V / 60% 74/37A 60-500A 27.5 x 22.3 x 33.1 402 (183)
R3R-500 K1286-16 500A / 40V / 60% 88/44A 72-625A 446 (203)
• Totally enclosed fan motor is permanently lubricated.
• Arc gouging is possible with the R3R-400 with up to 5/16" (7.9mm)
diameter carbon electrode and R3R-500 with up to 3/8" (9.5mm)
diameter carbon electrode.
• Both the R3R-400 and R3R-500 can be used for limited DC TIG
welding – simply add TIG accessories and shielding gas.
• Manufactured under a quality system certified to ISO 9001
requirements and ISO 14001 environmental standards.
• Three-year warranty on parts and labor.
• Seven-year warranty on the power rectifier.
Dimensions
Max. OCV: 67V (699 x 566 x 841)
Max. OCV: 67V
Publication E2.100 8/05
www.lincolnelectric.com
RECOMMENDED OPTIONS
GENERAL OPTIONS
Undercarriage
Platform undercarriage with
mounting for two gas cylinders at
rear of welder.
Order K841
STICK OPTIONS
Accessory Kit – 400 Amp
For stick welding. Includes 35 ft.
(10.7m) 2/0 electrode cable with
lug, 30 ft. (9.1m) 2/0 work cable
with lugs, headshield, filter plate,
work clamp and electrode holder.
Order K704
Remote Output Control
For remote output of welding
voltage. Consists of control box
with 25 or 100 ft. (7.6 or 30m) of
four conductor cable and 6 pin
MS-type connector.
Order K857 — 25 ft. (7.6m)
Order K857-1 — 100 ft. (30m)
TIG OPTIONS
Pro-Torch ® TIG Torch
A full line of air-cooled and
water-cooled torches available.
Request Lincoln publication
E12.150
TIG Module
Portable, high frequency unit with
gas valve for TIG welding. Rated
at 300 amps/60% duty cycle.
Requires TIG Module Control
Cable.
Order K930-2
Docking Kit
Provides a means to "dock" the
TIG Module on top of a flat
surface measuring at least 10 x 15
in. (254 x 381mm). Includes a
latch and provisions for a
user-supplied padlock to lock the
TIG Module in place.
Order K939-1
R3R-400 AND R3R-500 ORDER FORM
Hand Amptrol™
Provides 25 ft. (7.6m) of remote
current control for TIG welding.
(6 pin plug connection). Velcro
straps secure torch
Order K963-3 (One size fits all
Pro-Torch TIG Torches.)
Foot Amptrol™
Provides 25 ft. (7.6m) of remote
output control for TIG welding. (6
pin plug connection).
Order K870
Contactor Kit
Installs in the K930-2 TIG Module
for use with welders without a
contactor. Makes the TIG torch
electrode electrically "cold" until
the Amptrol is activated.
Order K938-1
Water Valve Kit
For use with a water-cooled TIG
torch. Installs inside of TIG Module.
Order K844-1
Control Cable
Connects TIG Module to power
source.
Order K936-3 for 9-pin to 6-pin
plus 115V.
Control Cable Extension
Allows the TIG Module to be operated at distances up to 200 ft.
(61m) from the power source.
Available in 45 ft. (13.7m) sections.
Order K937-45
Deluxe Adjustable Gas
Regulator & Hose Kit
Accommodates CO
argon-blend gas cylinders.
, argon, or
2
Includes a cylinder pressure
gauge, dual scale flow gauge and
4.3 ft. (1.3m) gas hose.
Order K586-1
PRODUCT DESCRIPTION ORDER NUMBER QUANTITY PRICE
R3R-400 K1285-16
R3R-500 K1286-16
RECOMMENDED GENERAL OPTIONS
Undercarriage K841
RECOMMENDED STICK OPTIONS
Accessory Kit (400 Amp) K704
Remote Output Control, 25 ft. K857
Remote Output Control, 100 ft. K857-1
RECOMMENDED TIG OPTIONS
Pro-Torch TIG Torches See Publication E12.150
TIG Module K930-2
– Docking Kit K939-1
– Hand Amptrol K963-3
– Foot Amptrol K870
– Contactor Kit K938-1
– Water Valve Kit K844-1
– Control Cable ( 9 pin to 6 pin and 115V plug) K936-3
– Control Cable Extension – 45 ft. K937-45
Deluxe Adjustable Gas Regulator & Hose Kit K586-1
TOTAL:
The business of The Lincoln Electric Company is manufacturing and selling high quality welding equipment, consumables, and cutting equipment. Our challenge is to meet the needs of our
customers and to exceed their expectations. On occasion, purchasers may ask Lincoln Electric for advice or information about their use of our products. We respond to our customers based on
the best information in our possession at that time. Lincoln Electric is not in a position to warrant or guarantee such advice, and assumes no liability, with respect to such information or advice. We
expressly disclaim any warranty of any kind, including any warranty of fitness for any customer’s particular purpose, with respect to such information or advice. As a matter of practical consideration,
we also cannot assume any responsibility for updating or correcting any such information or advice once it has been given, nor does the provision of information or advice create, expand or alter
any warranty with respect to the sale of our products.
Lincoln Electric is a responsive manufacturer, but the selection and use of specific products sold by Lincoln Electric is solely within the control of, and remains the sole responsibility of the customer.
Many variables beyond the control of Lincoln Electric affect the results obtained in applying these types of fabrication methods and service.
Subject to Change — This information is accurate to the best of our knowledge at the time of printing. Please refer to www.lincolnelectric.com for any updated information.
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THE LINCOLN ELECTRIC COMPANY
22801 St. Clair Ave., Cleveland, OH 44117-1199 • 216.481.8100 • www.lincolnelectric.com
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