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A FLE22 Cat P 08 MIG.qxp_MIG 1/20/22 6:54 PM Page 1

All-In-One
MIG GMAW

Industrial
®
Millermatic 252 See literature DC/12.49
Processes
MIG (GMAW) Flux-cored (FCAW)
Welding Capability
Comes complete with
™
Max. 1/2 in. (13 mm) 15 ft. (4.5 m), 250-amp MDX -250
Max. 3/8 in. (9.5 mm) MIG gun with AccuLock ™ MDX ™
Aluminum welding uses consumables
optional Spoolmatic 15A 10 ft. (3 m) work cable with clamp
Mild Steel Aluminum
OR 30A spool gun. 10 ft. (3 m) industrial power cord
Min. 22 ga. (0.8 mm) Min. 14 ga. (1.9 mm) (and plug on 200/230 V model)
Factory-installed gas solenoid
Flow gauge regulator and gas hose
Infinite voltage control with self-calibrating digital meters
for argon or AR/CO 2 mix
that permit presetting of voltage and wire feed speed. Ensures Factory-installed lowered running
precise parameters and accuracy. gear/cylinder rack
™
EXCLUSIVE! Auto-Gun Detect automatically adjusts voltage, .030/.035 in. reversible dual-groove
drive rolls
wire speed and timers for faster switching between MIG,
Extra contact tips
push-pull and spool guns.
Most popular accessories
Integrated digital timers come complete with presettable Spoolmate ™ 200 Spool Gun (pg 27)
preflow/postflow, burnback, spot and delay (stitch) timers. Spoolmatic® Spool Gun (pg 28)
Independent timers for MIG and spool gun. (non-Pro gun only)
XR ™ Air-Cooled Push-Pull Guns (pg 29)
Superior aluminum MIG welding with direct connection
Dual EZ-Change Low Cylinder Rack
™
of optional Spoolmate 200 and Spoolmatic® spool guns or
™
300337 (pg 118)
™
Recommended XR push-pull guns. No extra module to buy or install. Elevated Gun and Cable Rack
aluminum solution 300335 (pg 118)
Heavy-duty aluminum two-drive-roll system.
Spoolmatic 15A OR 30A Protective Cover 195142 (pg 121)
(page 28). Uses 4-, 8- or 12-inch (102, 203 or 305 mm) spools. 230-Volt Extension Cord 770644
™
Fan-On-Demand cooling system only operates when Visit MillerWelds.com or your distributor
for other Miller® options and accessories.
needed, reducing power consumption and keeping internal
components cleaner.
*With Spoolmatic 30A, regulator and dual cylinder rack.
**While idling.
Amperage Amps Input at Rated Output, 60 Hz Wire Type and Net
Stock Number Range Rated Output 200 V 230 V 240 V 460 V 575 V KVA KW Wire Feed Speed Diameter Capacity Dimensions Weight
(907321) 208/240 V 30–300 200 A at 24 VDC, 60% duty cycle 57.0 — 50.8 — — 11.4 7.1 50–700 ipm Solid steel H: 30 in. 205 lb.
(951066*) 208/240 V (1.3–17.8 m/min.) .023–.045 in. (0.6–1.2 mm) (762 mm) (93 kg)
250 A at 26.5 VDC, 40% duty cycle 64.2 — 56.4 — — 12.6 9.4
Stainless W: 19 in.
.023–.045 in. (0.6–1.2 mm) (483 mm)
(907322) 230/460/575 V 200 A at 24 VDC, 60% duty cycle — 46 — 23 18 9.8 7.5
Flux-cored D: 40 in.
(951065*) 230/460/575 V 250 A at 26.5 VDC, 40% duty cycle — 2** — 1** 0.8** 0.46** 0.13**
.030–.045 in. (0.8–1.2 mm) (1,016 mm)

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