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A FLE24 Cat P 25 MIG Guns.qxp_MIG Guns 1/12/24 12:06 PM Page 1

STEEL MIG GUNS

™ Light industrial MDX-100
MDX Series MIG Guns See literature AY/15.5 Industrial MDX-250
An ideal match for Miller® all-in-one MIG machines or other Miller® wire feeders. Processes
MIG (GMAW) Flux-cored (FCAW)
Pulsed MIG (GMAW-P) with MDX-250
Suggested power sources
For MDX-100
Millermatic® 142/211 (pg 5)
Multimatic®215 (pg 41)
Durable, ergonomic handle features Multimatic®220 AC/DC (pg 42)
rubber overmolding for improved grip For MDX-250
and rear swivel to reduce welder fatigue. Millermatic® 252 (pg 6)
Millermatic® 255 (pg 7)
™
AccuLock consumables provide long Multimatic® 235 (pg 43)
life and superior wire feeding. See below Multimatic® 255 (pg 44)
MDX-100 MDX-250
for more information.
Most popular consumables
Pulse welding capable (MDX-250 only)
AccuLock Consumables
due to increased copper in the gun cable
Power Pin Caps (inches)
which ensures reliable performance with
2200360 .023–.030
CV and pulse waveforms.
2200361 .030–.035
2200362 .035–.045
Liners (inches)
LM1A-10 .023–.025, 10 ft. length
Model Stock Number Cable Length Rated Output Rated Duty Cycle Standard Wire Size Standard Consumables LMD2A-10 .030–.035, 10 ft. length
LMD3A-10 .035–.045, 10 ft. length
MDX-100 1770028 10 ft. (3 m) 100 A 100% with CO 2 gas, 60% with mixed gas .030–.035 in. (0.8–0.9 mm) AccuLock MDX
1770029 15 ft. (4.6 m) 100 A 100% with CO 2 gas, 60% with mixed gas .030–.035 in. (0.8–0.9 mm) AccuLock MDX LM1A-12 .023–.025, 12 ft. length
LMD2A-12 .030–.035, 12 ft. length
MDX-250 1770035 10 ft. (3 m) 250 A 100% with CO 2 gas, 60% with mixed gas .030–.035 in. (0.8–0.9 mm) AccuLock MDX
LMD3A-12 .035–.045, 12 ft. length
1770037 15 ft. (4.6 m) 250 A 100% with CO 2 gas, 60% with mixed gas .030–.035 in. (0.8–0.9 mm) AccuLock MDX
LM1A-15 .023–.025, 15 ft. length
1770038 15 ft. (4.6 m) 250 A 100% with CO 2 gas, 60% with mixed gas .035–.045 in. (0.9–1.2 mm) AccuLock MDX
LMD2A-15 .030–.035, 15 ft. length
1770043 15 ft. (4.6 m) 250 A 100% with CO 2 gas, 60% with mixed gas .035–.045 in. (0.9–1.2 mm) AccuLock S
LMD3A-15 .035–.045, 15 ft. length
Diffusers
™ ™ D-M100 MDX-100
AccuLock MDX Consumables See literature AY/15.5
D-M250 MDX-250
D-MA250M MDX-250 AccuLock S
Flawless wire feeding path. Front-loading liner is locked and MDX Series MIG Guns Consumable Kits conversion
concentrically aligned with both the contact tip and power pin. MDX-100 Nozzles (inches)
NS-M1200B 1/2 ID, flush, brass
Error-proof liner trimming ensures accurate replacement NS-M1200C 1/2 ID, flush, copper
every time — no measuring required! NS-MFLX Gasless nozzle
MDX-250 Nozzles (inches)
Maximize electrical conductivity and tip life. Tapered mating
AccuLock MDX
surface between the contact tip and gas diffuser locks tips in N-M1200C 1/2 ID, flush, copper
place for optimal performance. N-M1218C 1/2 ID, 1/8 rec., copper
N-M5800C 5/8 ID, flush, copper
AccuLock MDX power pin caps are available in three For MDX-100 with AccuLock MDX N-M5818C 5/8 ID, 1/8 rec., copper
wire range sizes. They work together with AccuLock gas 1880272 .023 in (0.6 mm) N-M58XTC 5/8 ID, 1/8 ext., copper
diffusers to lock and concentrically align the liner to 1880273 .030 in (0.8 mm) AccuLock S
both the contact tip and power pin to ensure smooth, 1880274 .035 in (0.9 mm) N-A5800CM 5/8 ID, flush, copper
uninterrupted delivery of the wire to the weld puddle. For MDX-250 with AccuLock MDX N-A5818CM 5/8 ID, 1/8 rec., copper
N-A5814CM 5/8 ID, 1/4 rec., copper
1880275 .030 in (0.8 mm) Contact Tips (inches)
1880276 .035 in (0.9 mm) AccuLock MDX
1880277 .045 in (1.2 mm)
T-M023 .023
Upgrade to AccuLock S consumables For MDX-250 with AccuLock S T-M030 .030
for increased durability and longer life 1880278 .035 in (0.9 mm) T-M035 .035
when guns are used in pulsed welding 1880279 .045 in (1.2 mm) T-M045 .045
T-M047 3/64
or more industrial applications. See Kits include ten contact tips, one nozzle, AccuLock S
page 26 for more information. one diffuser, and a consumable storage T-A023CHM .023
box. Both kits for MDX-250 gun also T-A030CHM .030
include one neck insulator. T-A035CHM .035
T-A039CHM .039
T-A045CHM .045
AccuLock MDX AccuLock S Visit MillerWelds.com or your distributor
for other Miller®options and accessories.

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