Miller Millermatic 250X- User Manual

Processes

MIG (GMAW)
Flux Cored (FCAW)

Industrial Applications

Metal Fabrication
Maintenance and Repair
Farm
Light Industrial

Quick
Specs

Exclusive internal timers:

●

Tip Saver — Weld output shuts off if tip is
shorted to work surface.

●

Safety shut-off — Weld output will shut off if no
arc is detected within 3 seconds after gun
trigger is depressed.

●

Jog mode — When loading a new roll of wire or
if the gun trigger is accidentally pressed, gas will
shut off after 1 minute and wire will shut off
after 2 minutes saving wire and gas.

Millermatic

®

251

MIG Arc Welding

Power Source

Issued Aug. 2004 • Index No. DC/12.49

Self-calibrating digital meters allow presetting
of voltage and wire speed, and display actual
settings for 5 seconds after you stop welding.
With spool gun, wire speed meter displays actual
WFS setting — a feature not available on
competitive units. Meters also display help
messages for troubleshooting purposes.

Consumable compartment and
access to wire drive system
located under side door.

The Power of Blue

®

.

Miller Electric Mfg. Co.

An Illinois Tool Works Company
1635 West Spencer Street
Appleton, WI 54914 USA

Web Site

www.MillerWelds.com

International Headquarters

Phone: 920 -735-4505
USA FAX: 920 -735-4134
Canadian FAX: 920-735-4169
International FAX: 920 -735-4125

Rated Output

200 Amps at 28 VDC, 60% Duty Cycle
250 Amps at 28 VDC, 40% Duty Cycle

Max. Open-Circuit Voltage

38

Amperage Range

30 – 300 A

Wire Feed Speed

25 – 700 IPM (.064 – 17.8 m/min)

Weight

215 lb (98 kg)

Welds materials from 22 gauge up
to 1/2 in thick in a single pass.

NEW!

Miller’s patent-pending

Active Arc Stabilizer

™

provides

excellent starts proven
superior to the competition!

NEW!

Adjustable run-in control

can be individually set for both
MIG and spool guns. Controlled
on the front panel, this easily
accessible feature allows the user
to optimize starts to the application.

Fan-On-Demand

™

only

operates when needed
reducing power
consumption and the
amount of airborne
contaminants pulled
through the machine.

Industrial, dual-gear-driven, cast aluminum

drive system features no-tool, quick-change

reversible drive rolls and an easy-to-set,

scaled tension knob.

Welder/generator is warranted for 3 years, parts and labor.

Original main power rectified parts are warranted for 5 years.

Gun warranted for 90 days, parts and labor.

Add the optional Spoolmatic

®

15A or

30A spool gun for aluminum welding.
No extra module to buy or install.
And with Miller’s exclusive Gun-On-
Demand

™

, simply pull the trigger for

either gun and you’re ready to weld.
No wasted time installing modules
and using toggle switches.

Comes Complete With:

Power cord and plug (200/230 V model only)
12 ft (3.7 m), 250 amp M-25 MIG gun for
.030/.035 in wire
Work cable and clamp
Argon mix regulator/flow gauge and hose
Extra contact tips
Factory-installed running gear/cylinder rack
.030/.035 in reversible drive rolls
Set-up and operation video

Line voltage compensation
for constant output with
fluctuations in input power.