Quick
Issued Jan. 2016 • Index No. DC/12.42
Millermatic 141
®
Quick
Specs
MIG Power Source,
Wire Feeder and Gun Package
Light Industrial Applications
Processes
Weld Thickness
Light fabrication
Maintenance and repair
Auto body
Farm/home
MIG (GMAW)
Flux-cored (FCAW)
24 ga.–3/16 in. steel and 18–14 ga. aluminum
Input Power 120 V, 20 A, 60 Hz, single-phase
Rated Output 90 A at 18.5 VDC, 20% duty cycle
40 A at 16 VDC, 100% duty cycle, CSA
120
VOLT
INPUT POWER
Uses common household power
3∕16"
(4.8 mm)
24 ga.
(0.8 mm)
L THICK
RIA
SS
NE
MATE
Weld capacity
Quick and easy setup
Auto-Set ™ automatically provides the right
settings to weld mild steel while infinite voltage
control allows the flexibility to manually set
your own parameters.
• Set the wire diameter, a blue light shows
Auto-Set is activated
• Dial in the thickness of what you’re welding
• Start welding with the exact parameters
you need!
Angled cast-aluminum drive system with
calibrated tension knob creates consistent feeding
and easy setup for up to 15-foot MIG guns.
™
Quick Select drive roll makes setup quicker
by offering three grooves — two for different
size solid wire and a third for flux-cored wire.
Auto Spool Gun Detect™ automatically detects
when a MIG gun or spool gun is connected
eliminating the need for a switch.
Smooth-Start ™ provides a smooth, spatter-free
start. It’s the best-starting machine in the small
MIG machine category.
Thermal overload protection shuts down unit
and activates the over temperature light if
airflow is blocked or duty cycle is exceeded.
Automatically resets when unit cools.
Uses 4- or 8-inch (102 or 203 mm) spools
and can be set up to weld with .024–.030 inch
(0.6–0.8 mm) solid wire and .030–.035 inch
(0.8–0.9 mm) flux-cored wire.
Comes complete with:
Power source
6.5 ft. (2 m) power cord with plug
10 ft. (3 m), M-100 MIG gun and cable
assembly
10 ft. (3 m) work cable with clamp
Argon and AR/CO2 mix flow gauge regulator
with gas hose
Hobart® spool of .030 in. (0.8 mm)
solid wire
Two contact tips for .030 in. (0.8 mm) wire
Quick Select ™ drive rolls for .024 in.
(0.6 mm) or .030/.035 in. (0.8/0.9 mm)
solid wire, and .030/.035 in.
(0.8/0.9 mm) flux-cored wire
Material thickness gauge ➤
229895
Hook-and-loop cord wraps
Note: Shielding gas and
safety equipment not included.
Welder is warranted for three years, parts and labor.
Original main power rectifier parts are warranted for five years.
Gun warranted for 90 days, parts only.
Miller Electric Mfg. Co.
Equipment Sales US and Canada MillerWelds.com
An ITW Welding Company
1635 West Spencer Street
P.O. Box 1079
Appleton, WI 54912-1079 USA
Phone: 866-931-9730
FAX: 800-637-2315
International Phone: 920-735-4554
International FAX: 920-735-4125
Operation Modes
Auto-Set ™ Mode
18ga
5
6
18ga
4
16ga
60
50
16ga
7
Auto-Set eliminates guesswork and saves you time on setup. Turn wire speed control fully
clockwise to select Auto-Set mode, and set the wire diameter to either .024 or .030 in.
The Auto-Set light indicates mode is activated. Then select material thickness using the
Auto-Set control.
70
80
40
20
3
8
2
9
or
ga
14
ga
22
ga
1
30
100
0
20
.024"
10
or 1/8
3/16**
or 1/8
3/16**
24ga
24ga
Use Auto-Set when you want the speed, convenience and confidence of pre-set controls.
Auto-Set automatically sets your welder to the proper parameters. It’s available for welding
24-gauge through 3/16-inch mild steel, and only works with .024 and .030 solid wires and
C25 shielding gas (75% argon, 25% CO2).
90
14
or
22
20
ga
Auto-Set™*
10
.030"
.024"
WELD WIRE
DIAMETER
Auto-Set™*
.030"
WELD WIRE
DIAMETER
Manual Mode
18
8ga
5
4
6
16
6ga
60
50
7
When welding outside of Auto-Set’s
capabilities, or if you prefer custom
parameters, use manual mode. The
parameter chart on the inside of the
access door is an easy-to-use guide
for determining your voltage and wire
feed speed settings. Reference the
white areas on the controls when
welding in manual mode.
70
80
40
20
3
8
2
9
ga
90
14
or
22
ga
30
100
20
1
24
4ga
10
or 1/8
3/16**
.024"
10
Auto-Se
et™*
.030"
WELD WIRE
WIR
DIAMETER
Specifications (Subject to change without notice.)
Amperage
Range
30–140 A
Rated Output
Amps Input at Rated Output, 60 Hz
120 V
KVA
KW
90 A at 18.5 VDC,
20% duty cycle
20
3.0
2.45
40 A at 16 VDC,
100% duty cycle,
CSA
15
1.7
1.0
Wire Feed Speed
15 – 360 ipm
(0.4 – 9.1 m/min.)
Wire Type
and Diameter
Max. OpenCircuit Voltage
Solid: .024 –.030 in.
(0.6 – 0.8 mm)
Stainless: .024 –.030 in.
(0.6 – 0.8 mm)
Flux-cored: .030–.035 in.
(0.8 – 0.9 mm)
30
Dimensions
H: 12.5 in.
(318 mm)
W: 11.25 in.
(286 mm)
D: 20.5 in.
(521 mm)
Net
Weight
51 lb.
(23.1 kg)
Certified by Canadian Standards Association to both the Canadian and U.S. Standards.
Control Panel
Performance Data
Duty Cycle Chart
3
4
5
6
7
8
Note: Power switch and gas solenoid are
on machine back panel.
Weld Amperes
2
1. Over Temperature Light
2. Auto-Set Light
3. Wire Speed/Wire Diameter Control
4. Voltage/Material Thickness Control
5. Plastic Hub with Retaining Ring for
8-inch Spools (shaft also accepts
4-inch spools)
6. Calibrated Tension Knob
7. T-Knob (secures torch)
8. Drive Roll
9. Trigger Control Connector
10. Polarity Changeover Terminals
100
75
50
37.5
25
0
10
15
20
25 30
40
50 60 70 80 90100
% Duty Cycle
Volt/Amp Curves
30
25
Maximum
20
Volts
1
150
125
15
Minimum
10
9
10
5
0
0
20
40
60
80
Amps
2
100
120
140
Genuine Miller Accessories
®
Spoolmate™ 100
Spool Gun
300371
Direct-connect
spool gun for
all Millermatic
140, 141, 180,
190, 211 and
Multimatic 200
models. Handles
.030–.035 inch (0.8–0.9 mm) aluminum
(4043 only) and .023–.035 inch (0.6–0.9 mm)
steel/stainless steel wires. Rated at 135 amps,
30-percent duty cycle. Includes 12-foot (3.7 m)
cable assembly and custom carrying case.
Replacement/Optional MIG Gun
M-100 (Standard)
248282 10 ft. (3 m)
M-150 (Optional)
249040 12 ft. (3.7 m)
249041 15 ft. (4.5 m)
All ship with liner 194011.
Running Gear/
Cylinder Rack
301239
Heavy-duty
construction with
8-inch rubber rear
wheels. Convenient
front handles, cable
holders and plastic
consumable box. For
gas cylinders no greater than 7 inches (178 mm)
in diameter or 65 pounds (29.5 kg) in weight.
Purchase the Millermatic 141 package
(951601) and receive the Millermatic 141
and running gear/cylinder rack (301239)
packaged together!
Millermatic Protective Cover 301262
Consumables (Order from Miller Service Parts.)
For M-100/M-150 Gun
For Spoolmate™ 100 Spool Gun
Contact Tips
087299 .024 in. (0.6 mm)
000067 .030 in. (0.8 mm)
000068 .035 in. (0.9 mm)
000069 .045 in. (1.2 mm)
Contact Tips (5 per package)
199730 .024 in. (0.6 mm)
186419 .030 in. (0.8 mm)
186406 035 in. (0.9 mm)
Contact Tip Adapter 169716
Replacement Liners
194010 .024 in.
194011 .030–.035 in. (standard)
194012 .035–.045 in.
15-foot length — trim to size needed.
Nozzle 169715
1/2-inch (13 mm) diameter orifice.
Nozzle flush with contact tip (standard).
Gasless Flux-Cored Nozzle
#226 190
For M-100 gun only.
For use with self-shielding
flux-cored wires. Improves
visibility, eases access in tight corners, protects
tip adapter/gas diffuser from spatter and from
shorting to the workpiece.
Drive Rolls
Quick Select ™ 261157
For .024-inch (0.6 mm) or .030/.035-inch
(0.8/0.9 mm) solid wire, and .030/.035-inch
(0.8/0.9 mm) flux-cored wire.
Dual Groove, V-Knurled 202926
For .030/.035-inch (0.8/0.9 mm) or
.045-inch (1.2 mm) flux-cored wire.
Nozzle 186405
Drive Roll (1)
186413
For .030/.035-inch
(0.8/0.9 mm) wire.
Push Roll (1)
186414
For .030/.035-inch
(0.8/0.9 mm) wire.
M-Series Gun Consumable Kits
234607 .024 in. (0.6 mm)
234608 .030 in. (0.8 mm)
234609 .035 in. (0.9 mm)
Each kit contains ten contact tips, one nozzle,
and one contact tip adapter.
3
Ordering Information
Power Source and Options
Stock No.
Description
Millermatic 141
Millermatic® 141 with Running Gear/Cyl Rack
907612
951601
120 V, 60 Hz
Power source packaged with 301239 running gear/cylinder rack
Spoolmate™ 100 Spool Gun
300371
12 ft. (3.7 m). Includes custom carrying case
M-100 Gun (Standard)
248282
10 ft. (3 m), .030–.035 in. (0.8–0.9 mm)
M-150 Gun (Optional)
249040
249041
12 ft. (3.7 m), .030–.035 in. (0.8–0.9 mm)
15 ft. (4.5 m), .030–.035 in. (0.8–0.9 mm)
®
Qty.
Guns
Accessories
Protective Cover
301262
Running Gear/Cylinder Rack
301239
Material Thickness Gauge
229895
Flux-Cored Wire
Solid Wire
Shielding Gas Cylinder
Helmet/Gloves/Scratch Brush
Available Through Miller Service Parts
Argon and AR/CO2 Mix Flow Gauge Regulator
268546
Replacement standard regulator
CO2 Flow Gauge Regulator
212492
Required if using 100-percent CO2 gas
Contact Tips
See page 3
Contact Tip Adapter
See page 3
Replacement Liners
See page 3
Nozzles
Gasless Flux-Cored Nozzle
See page 3
226190
Drive Rolls
M-Series Gun Consumable Kits
Date:
Distributed by:
© 2016 Miller Electric Mfg. Co.
See page 3
234607
234608
234609
.024 in. (0.6 mm)
.030 in. (0.8 mm)
.035 in. (0.9 mm)
Total Quoted Price:
Price
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