POWER MIG® 255XT
POWER MIG®. The Professional’s Choice
The POWER MIG® 255XT sets the standard for MIG and flux-cored in light industrial job shop fabrication, maintenance or repair work Core Technology™ delivers a wide voltage sweet spot across the range, low spatter levels and a forgiving arc on steel, stainless aluminum – even for demanding out-of-position work.
It’s Spool Gun Ready, so it’s fast and easy to tackle difficult applications. Exclusive 115 volt auxiliary power means you can grinders, and chargers right where you work! And, the MAXTRAC system with a patented Split Wire Guide system and tachometer ensures trouble-free wire delivery. Add the extra length 15 foot and innovative convenience features and you begin to understand POWER MIG® 255XT is considered The Professional’s ChoiceSM.
Spool Gun Capable
Processes
MIG, Flux-Cored
Medium Duty |
Heavy Duty |
Advantage Lincoln
WIRE FEEDER/WELDERS
Output
CV
DC
Input
1
PHASE
60
Hz
Arc Performance:
•Diamond Core Technology™, a patented choke design, delivers:
-A forgiving arc, even with large stickout changes
-Excellent out-of-position arc action
-A wide voltage sweet spot at a given wire feed speed
-Low spatter
Superb Quality:
•MAXTRAC® cast aluminum industrial wire drive features dual driven rolls, easy-turn numeric tension indicator, brass-to-brass gun connections and Lincoln’s 100% wire-supporting split wire guide system.
•Three-year warranty on parts and labor (90 days warranty on gun).
Professional Features:
•Digital meters display, preset voltage and wire feed speed, and actual voltage and preset wire feed speed while welding.
•Generous 15 ft. (4.5 m) gun and cable assembly makes it easy to reach your work.
•Spool Gun Ready – The POWER MIG® 255XT has the electronics and second gas solenoid built-in to drive either the Magnum® 250LX spool gun or the Magnum® SG spool gun.
•The most economic spool gun solution in the 250A category – costing hundreds less.
•115V auxiliary receptacle (208/230V model only) to power a grinder or other auxiliary equipment in your work area.
•Free Timer Functions adds 4-step trigger interlock, spot mode, adjustable run-in speed for smoother arc starting, and adjustable burnback time to minimize wire sticking in puddle.
TECHNICAL SPECIFICATIONS
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Product |
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Rated Output |
Input Current @ |
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Dimensions |
Net Weight |
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Input Power |
Output Range |
H x W x D |
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Name |
Number |
Current/Voltage/Duty Cycle |
Rated Output(1) |
inches (mm) |
lbs. (kg) |
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POWER MIG® 255XT |
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30-300 Amps |
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One-Pak® |
K2702-1 |
208/230/1/60 |
250A/26V/40% |
56/52A(1) |
50-700 ipm WFS |
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Spool Gun Pkg. |
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(1.3-17.7 m/min) |
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Max. OCV: 40V |
31.8 x 18.9 x 38.8 |
220 |
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POWER MIG® 255XT |
K2701-1 |
208/230/1/60 |
250A/26V/40% |
56/52A(1) |
30-300 Amps |
(808 x 408 x 985) |
(100) |
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Base Unit |
K2701-2 |
230/460/575/1/60 |
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50/24/19A |
50-700 ipm WFS |
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(1.3-17.7 m/min) |
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Max. OCV: 40V |
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(1) Input current is at the rated output with the 115V auxiliary receptacle also drawing 15 amps.
Publication E7.54 7/08
www.lincolnelectric.com
A CLOSER LOOK
PERFORMANCE
What Is It?
Diamond Core Technology™ is a patented innovative choke design that filters the welding arc. It provides dynamic optimized arc filtering across the entire welding range of amperages. Other arc stabilization methods are “fixed” – or only working at certain amperages – resulting in harsh arc characteristic changes over the welding range.
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Results: |
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Great For: |
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• Great starts and low spatter. |
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• Steel, stainless and aluminum. |
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• Outstanding performance on |
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• Out-of-position work. |
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a wide variety of materials – |
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• Long arc applications. |
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steel, stainless and aluminum. |
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• Weaving techniques. |
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• A wide sweet spot for optimal |
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arc performance. |
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PROCESS CAPABILITIES
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Electrode |
Electrode |
Shielding |
Minimum |
Maximum |
Process |
Wire |
Polarity |
Gas |
Thickness |
Thickness(1) |
MIG |
.025", .030", .035", .045" |
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Mild Steel |
(0.6, 0.8, 0.9, 1.1 mm) |
DC+ |
100% CO2 or |
24 ga. (.024") |
1/2" (.500") |
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SuperArc® L50, L-56 |
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Ar/CO2 Blend |
(0.6 mm) |
(19.1 mm) |
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SuperGlide® S-3, S-6 |
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MIG |
.030", .035", .045" |
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Ar/CO2 Blend |
20 ga. (.036") |
1/2" (.500") |
Stainless |
(0.8, 0.9, 1.1 mm) |
DC+ |
or Tri-Mix |
(0.9 mm) |
(19.1 mm) |
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Blue Max® 308LSi, 309LSi, 316LSi |
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MIG |
3/64" |
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1/16" (.063") |
1/2" (.500") |
Aluminum |
(1.2 mm) |
DC+ |
100% Argon |
(1.6 mm) |
(19.1 mm) |
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SuperGlaze® 4043 and 5356 |
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Flux-Cored, |
.035", .045" |
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100% CO2 or |
12 ga. (.109") |
1/2" (.500") |
Gas-Shielded |
(0.9, 1.1 mm) |
DC+ |
Ar/CO2 Blend |
(2.7 mm) |
(19.1 mm) |
Mild Steel |
Outershield® 71M and MC-710 |
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Flux-Cored, |
.035", .045" |
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18 ga. (.050") |
3/4" (.750") |
Self-Shielded |
(0.9, 1.1 mm) |
DC- |
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(1.2 mm) |
(12.7 mm) |
Mild Steel |
Innershield® NR®-211-MP(2) and NR®-212 |
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(1)Lincoln Electric recommends multiple pass welds on 1/2" (12.7 mm) material. Consult the appropriate application procedures and guidelines for selecting the correct wire size, gas type and number of passes.
(2).035" and .045" (0.9 and 1.1 mm) NR®-211-MP is only recommended up to 5/16" (7.9 mm) thick material.
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FEATURES |
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Energize Your Shop! — The POWER MIG® |
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255XT features a 115 volt auxiliary power |
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receptacle which allows you to power |
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Saws |
grinders, lights, cordless tool chargers |
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or any other power tools.(1) |
Grinders |
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Rotary Tools
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Battery Chargers |
Welding Fume |
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for Cordless Tools |
Extraction |
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Work Lights |
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(1)115V auxiliary power is only available on 208/230V models. |
POWER MIG |
® 255XT |
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[2] |
www.lincolnelectric.com |
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A CLOSER LOOK
FEATURES CONʼT.
Compare These Innovations – Make the Professional’s ChoiceSM!
C
B
A
Timer Functions |
Easy Load Gas Cylinder Platform |
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Adds 4-step trigger interlock, spot mode, |
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adjustable run-in speed for smoother arc |
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starting, and adjustable burnback time to |
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minimize wire sticking in puddle. |
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Easy Load Wire Compartment |
Extra–Length 15 ft. (4.5 m) Gun |
ALockable storage compartment with tool tray stows your welding consumables and valuable personal tools.
BBuilt-in gun holder conveniently stores welding gun.
CHandy MIG Gun Expendables Chart.
Additional Gas Solenoid – Controls Gas Flow to a Spool Gun
Professional Heavy Duty Wire Drive System
Internal tachometer feedback drive system allows you to maintain
constant wire feed speed for consistent welds.
Split guides support the wire through the entire drive
system to minimize feeding problems.
Reliable brass-to-brass gun receiver bushings provide connectivity to
Magnum ® or competitive guns. Easier interchangeability, better mechanical 
support and electrical current transfer.
Easy turn numeric tension indicator with optimized ranges for different wire types.
Wide idler arm hinge provides improved drive roll clamping pressure.
Input bushing protects the wire from damage.
Two gear driven rolls. No tools needed to swap rolls on or off.
Separate drive gear reduces pressure on motor shaft for long life.
Removable outer wire guide for easy access.
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POWER MIG |
® 255XT |
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[3] |
www.lincolnelectric.com |
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