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POWER MIG 255C
PRODUCT DESCRIPTION
The POWER MIG™ 255C is a complete
semiautomatic constant voltage DC arc welding
machine built to meet NEMA specifications. It
combines a constant voltage power source and a
constant speed wire feeder with a microcomputer-
based controller to form a reliable high-performance
welding system. A simple control scheme, consisting of
continuous full range voltage and wire feed speed
controls, provides versatility with ease of use and
accuracy. The POWER MIG™ 255C is Spool Gun
ready and includes a second Gas Solenoid for Spool
Gun use. Refer to Accessories Section for Applicable
Spool Guns.
Other features include a 2" (51 mm) O.D. wire reel
spindle with adjustable brake, an integral gas cylinder
mounting undercarriage, an adjustable CO
2
or Argon
blend flow regulator with cylinder pressure gauge and
inlet hose, a 15 ft. (4.6 m) Magnum 250L GMAW gun
and cable with fixed (flush) nozzle, a 10 ft. (3.0 m)
power cable with plug and mating receptacle, and a 10
ft. (3.0 m) work cable with clamp.
An Optional Timer kit provides variable burnback
control, a spot function, a selectable 4-step trigger
interlock and adjustable "Run In" for wire starting
optimization. Also optional are a Dual Cylinder
Mounting kit and an Aluminum Feeding Kit for push
feeding with standard built in feeder.
RECOMMENDED PROCESSES AND
EQUIPMENT
The POWER MIG 255C is recommended for GMA
welding processes using 10 to 44 lb (4.5 to 20 kg) 2"
(51 mm) I.D. spools or Readi-Reel ® coils (with
optional adapter) of .025" through .045" (0.6 – 1.2 mm)
solid steel, .035" (0.9 mm) stainless, 3/64" (1.2 mm)
aluminum and .045" (1.2 mm) Outershield ® ; as well
as .035" (0.9 mm) and .045" (1.2 mm) Innershield®
self-shielding electrodes.
The POWER MIG 255C is factory equipped to feed
.035" (0.9 mm) and .045(1.2mm) electrode. It also
includes a 200A, 60% duty cycle (or 250A, 40% duty
cycle) rated, 15 ft. (4.6 m) GMAW gun and cable
assembly equipped for these wire sizes. Use of GMAW
processes requires a supply of shielding gas.
WELDING CAPABILITY
The POWER MIG 255C is rated at 250 amps @ 26
volts, at a 40% duty cycle based on a ten minute cycle
time. It is capable of higher duty cycles at lower output
currents and capable of up to 300 Amps at lower duty
cycles.
LIMITATIONS
The POWER MIG 255C WILL NOT operate
satisfactorily if powered with a portable or in-plant
generating system.
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