®
Issued Nov. 2008 • Index No. DC/18.83
Multiprocess Welding
Power Source
XMT 350 Series
Heavy Industrial Applications Processes
Input Power Requires 3- or 1-Phase Power,
208–575 VAC, 50/60 Hz
Construction
MIG (GMAW)/Pulsed MIG (GMAW-P)*
Shipbuilding
Stick (SMAW)
Rated Output 10–38 V, 5–425 A
Railroad
TIG (GTAW)
Quick
Weight
Net: 80 lb (36.3 kg)
Ship: 89.1 lb (40.4 kg)
Truck/Trailer Manufacturing
Fabrication
Repair Shops
Flux Cored (FCAW)
Air Carbon Arc Cutting and Gouging (CAC-A)
Specs
*XMT-350 MPa; XMT 350 CC/CV with
required optional control; not available with
XMT 350 VS model.
Rental Fleets
Power Generation Plants
®
The Power of Blue.
XMT 350 CC/CV
XMT 350 MPa with
Built-In Pulse MIG
(see page 4)
XMT 350 VS
™
Wind Tunnel Technology protects electrical
Inverter arc control technology provides greater
puddle control for superior 6010 Stick electrode
performance, and outstanding MIG weld performance.
The XMT 350 Series is packed with
features to meet the most demanding
welding needs.
components and PC boards from contamination.
Fan-On-Demand™ cooling system operates only
when needed, reducing noise, energy use and the
amount of contaminants pulled through machine.
Please see page 2 to determine which
model is right for your application.
Line voltage compensation keeps welding output
constant even if input power varies by +/-10%.
XMT 350 models further expand line voltage
compensation on 460 VAC to an amazing +37%, -59%.
™
Lift-Arc allows TIG starting without the use of
high-frequency. Starts the arc without contaminating
the weld with tungsten.
™
Auto-Line Power Management
Process selector switch reduces the number of
control setup combinations without reducing
any features.
Technology allows for any input voltage
hook-up (208–575 V) with no manual
linking required, providing convenience
in any job setting. Ideal solution for dirty
or unreliable input power.
Adaptive Hot Start™ increases the output amperage
at the start of a weld if necessary, eliminating
electrode sticking.
Large, dual digital meters are easy to view and are
presettable to ease setting weld output.
Lightweight, aerospace-grade aluminum case
offers protection with the benefit of reduced weight.
Power source 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.
Miller Electric Mfg. Co.
An Illinois Tool Works Company
1635 West Spencer Street
Appleton, WI 54914 USA
International Headquarters Web Site
Phone: 920-735-4505
USA FAX: 920-735-4134
Canadian FAX: 920-735-4169
International FAX: 920-735-4125
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®
XMT 350 VS Control Panel
Manufactured Under the
Following US Patents:
5,601,741 5,642,260 5,902,150
6,002,103 6,115,273 6,193,548
6,239,407 6,266,257 6,625,046
6,611,189 6,426,888
3
4
Additional Features
Other Patents Pending
1
Low OCV Stick — A built-in, selectable
feature, that reduces the Stick mode
open-circuit voltage (OCV) to nearly
15 volts when the welding power source is
not in use. Eliminates the need for add-on
voltage reducers.
Note: VS model is available only with
Tweco-style weld cable disconnects. Tweco
cable connectors are not supplied with the
unit and must be ordered separately.
5
2
Optional 115 VAC auxiliary power is not
available on VS model.
Pulsed MIG (GMAW-P) capability is not
available on VS model.
1. Voltmeter
2. Process Selector Switch (Rotary Switch)
3. Ammeter
4. Voltage/Amperage Adjustment Control
5. Arc Control
NOTE: VS model is equipped with Tweco-style output connector.
®
XMT 350 CC/CV Control Panel
Manufactured Under the
Following US Patents:
5,601,741 5,642,260 5,902,150
6,002,103 6,115,273 6,193,548
6,239,407 6,266,257 6,625,046
6,611,189 6,426,888
4
5
Additional Features
Auto Remote Sense enables unit to
Other Patents Pending
1
™
automatically use remote control if
connected to remote control receptacle.
Low OCV Stick — A built-in, selectable
feature, that reduces the Stick mode
open-circuit voltage (OCV) to nearly
15 volts when the welding power source is
not in use. Eliminates the need for add-on
voltage reducers.
CC
6
2
3
Dinse International-style weld disconnects
provide high-quality weld cable connections.
Dinse and Tweco connectors are available.
When Dinse connectors are specified, two
connectors are supplied with the unit.
1. Voltmeter
2. Remote Control Receptacle
3. Process Selector Switch (Rotary Switch)
4. Ammeter
5. Voltage/Amperage Adjustment Control
6. Arc Control
Optional 115 VAC auxiliary power provides
10 amps of circuit-breaker-protected power
for water circulators, etc.
Pulsed MIG (GMAW-P) capabilities with
™
optional Optima control reduces spatter
and distortion, allows better out-of-position
puddle control, and provides potential
reduction of fume particle emission.
3
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®
XMT 350 MPa Control Panel
The simple, powerful XMT 350 MPa can handle
MPa
almost any portable welding application. Add the
S-74 MPa feeder for a synergic system that
simplifies Pulsed MIG welding applications.
MPa: M (MIG), P (Pulse), a (Advanced Arc
Control). Advanced arc control enables an
improved pulse welding arc. The operator has
more control over puddle and bead characteristics
using SharpArc™. In addition, the unit provides a
more robust and stable arc at very low arc length,
reducing heat input, and providing the ability to
weld on a wider range of material thickness.
Manufactured Under the
Following US Patents:
5,601,741 5,642,260 5,902,150
6,002,103 6,115,273 6,193,548
6,239,407 6,266,257 6,625,046
6,611,189 6,426,888
Other Patents Pending
7
8
9
10
1
OUTPUT ON
Setup
2
3
4
What are some benefits of Syergic-Pulsed MIG?
1. Easy to Setup
2. No more changing wire speed and then having to
go back to reset the weld output.
Arc Control
Wire Type
Gas Type
CC
11
12
™
SharpArc
5
6
SharpArc controls welding arc cone width in
Pulsed MIG (GMAW-P) welding mode.
SETUP
(0 setting)
(50 setting)
1. Output ON Indicator Light
2. Left Display
3. Voltage Display
4. Arc Length Indicator
5. Remote Control Receptacle
6. Process Selector Switch (Rotary Switch)
7. Adjustment Control
9. Setup Indicator
10. Amperage Indicator
11. Remote PC Interface
12. Setup Indicator Lights
• Arc Control Indicator
• Wire Type Indicator
• Gas Type Indicator
• Setup Button
Low Setting
High Setting
If a gas is used other than what is listed on the
Pulsed MIG welding program chart (below left), the
SharpArc™ can be adjusted to help customize your
arc to the gas being used.
Lower SharpArc™ settings widen the arc cone,
increase puddle fluidity and flattens the weld bead.
8. Right Display
Built-In Pulsed MIG Programs
Additional Features
The XMT 350 MPa expands the process capability of an XMT 350 with built-in Pulsed MIG
operation. See the table below for the wide range of Pulsed MIG (GMAW-P) welding
applications the XMT 350 MPa can handle.
™
Auto Remote Sense enables unit to auto-
matically use remote control if connected to
remote control receptacle.
Wire Types
Gas Types
Dinse International-style weld disconnects provide
high-quality weld cable connections. Dinse and
Tweco connectors are available. When Dinse
connectors are specified, two connectors are
supplied with the unit.
Steel
.035 STL
.045 STL
90% ARGN/10% CO2 (Argon/Carbon Dioxide)
95% ARGN/5% OXY (Argon/Oxygen)
Metal Core
.035 MCOR
.045 MCOR
.052 MCOR
90% ARGN/10% CO2 (Argon/Carbon Dioxide)
Optional 115 VAC auxiliary power provides
10 amps of circuit-breaker-protected power for
water circulators, etc.
Stainless Steel
.035 SSTL
.045 SSTL
TRI MIX (Tri-gas mixture: 81% ARGN/18%
HE/1% CO2 [Argon/Helium/Carbon Dioxide])
98% ARGN/2% OXY (Argon/Oxygen)
98% ARGN/2% CO2 (Argon/Carbon Dioxide)
Aluminum
Nickel
.035 AL4X (4000 Series)
3/64 AL4X (4000 Series)
.035 AL4X (5000 Series)
3/64 AL4X (5000 Series)
100% ARGN (Argon)
.035 NI
.045 NI
75% ARGN/25% HE (Argon/Helium)
Silicon Bronze
Copper Nickel
.035 SIBR
.045 CUNI
100% ARGN (Argon)
75% HE/25% ARGN (Helium/Argon)
XMT 350 MPa System
Add the new S-74 MPa feeder for a package that
gives you the benefit of Synergic-Pulsed MIG. As
you increase/decrease the wire feed speed, the
pulse parameters increase/decrease matching the
right amount of power output to the wire speed.
4
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®
XMT 350 Wire Feeder Packages
SuitCase® X-TREME™ 8VS
with XMT® 350 VS and Bernard®
Q300 gun #951 096
Pulse Stick Remote Feeder Weight
MIG MIG Control Remote w/ steel
TIG
Yes
Cable Control
No No
wire
No
32 lb
SuitCase® X-TREME™ 12VS
with XMT® 350 CC/CV and Bernard®
Q300 gun #951 099
Pulse Stick Remote Feeder Weight
MIG MIG Control Remote w/ steel
TIG
Yes
Cable Control
No No
wire
No
66 lb
SuitCase® 8RC with XMT® 350 MPa
and Bernard® Q300 gun #951 079
Pulse Stick Remote Feeder Weight
MIG MIG Control Remote w/ steel
TIG
Yes
Cable Control
Yes Yes
wire
Yes
32 lb
SuitCase® 12RC with XMT® 350 MPa
and Bernard® Q300 gun #951 078
Pulse Stick Remote Feeder Weight
MIG MIG Control Remote w/ steel
®
™
XMT 350 CC/CV, 22A, MIGRunner #907 233
TIG
Yes
Cable Control
Yes Yes
wire
Yes
66 lb
Comes Complete With:
XMT 350 CC/CV power source
22A wire feeder
SuitCase® X-TREME™ 8VS
Bernard® Q™-Gun
with XMT® 350 MPa and Bernard®
Q300 gun #951 081
Consumables
.035/.045 in drive roll kit
Regulator/flow gauge with gas hose
MIGRunner Cart with cylinder rack
Bottom tray will hold optional Coolmate 3
(sold separately)
Pulse Stick Remote Feeder Weight
MIG MIG Control Remote w/ steel
TIG
Yes
Cable Control
No No
wire
Yes
32 lb
SuitCase® X-TREME™ 12VS
®
™
XMT 350 CC/CV S-74D MIGRunner
with XMT® 350 MPa and Bernard®
Q300 gun #951 080
#907 423 (not shown)
Pulse Stick Remote Feeder Weight
MIG MIG Control Remote w/ steel
Comes Complete With:
TIG
Yes
Cable Control
No No
wire
XMT 350 CC/CV power source
S-74D wire feeder
Yes
66 lb
Bernard® Q™-Gun
Consumables
.035/.045 in drive roll kit
Regulator/flow gauge with gas hose
MIGRunner Cart with cylinder rack
Bottom tray will hold optional Coolmate 3
(sold separately)
XR-Control, XMT® 350 MPa
and XR-Aluma-Pro Gun #951 097
™
Pulse Stick Remote Feeder Weight
MIG MIG Control Remote w/ alum.
TIG
Yes
Cable Control
Yes Yes
wire
Yes
57 lb
5
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Genuine Miller Accessories
™
Optima #043 389
Gas Solenoid Kit #195 286
Easy to install, optional gas solenoid kit for
TIG welding applications. Kit only works
with XMT 350.
Inverter Racks
Four or Six-Arc Welding System
A multipurpose,
microprocessor-based
pulse control for both
synergic MIG (wire
welding or GMAW) or
manual MIG pulsing.
Use this control with the
XMT 304/350 CC/CV
The Inverter Rack
conveniently houses
multiple XMT power
sources for multiple
welders. Both 4-pack
and 6-pack models
are available.
Features include:
RFCS-14 Foot Control
#043 554
Heavy-duty foot current
and contactor control.
Includes 20 ft (6 m)
cord and 14-pin plug.
power sources and any Miller wire feeder,
including automatic feeders and spool
guns. Includes a 25 ft (7.6 m) cord with
14-pin plug. (Not for use with XMT 350
MPa or VS models.)
Provision to parallel power sources or
common work connections
Two lifting eyes for transportation
Rugged skids for dragging or pushing
Customer can install up to a maximum
of 4 XMT 456 power sources
RHC-14 Hand Control
#129 340
Miniature hand control
for remote current and
contactor control.
Extension Cords for Optima
#043 725 25 ft (7.6 m)
#043 726 50 ft (15.2 m)
#043 727 75 ft (22.9 m)
For detailed information on customized
Inverter Rack systems see Lit. Index No.
DC/18.81.
Dimensions: 4 x 4 x
3-1/4 in (102 x 102 x 82 mm). Includes
20 ft (6 m) cord and 14-pin plug.
WC-24 Weld Control
#137 549
Running Gear
RMLS-14
#129 337
14-pin plug
Designed for use with
Miller CV power sources
supplying 24 VAC and
14-pin receptacles. For
use with Spoolmatic
30A spool gun.
Momentary- and maintained-contact rocker
switch for contactor control. Push forward for
maintained contact and back for momentary
contact. Includes 20 ft (6 m) cord.
XL Cart
WC-115A Weld Control
#137 546-01-1
Regular
Cart
Operates on 115 VAC
and is designed for
power sources without
a 14-pin receptacle. For
™
RCC-14 Remote Contactor and Current
Control #151 086
MIGRunner Cart #195 445
™
MIGRunner XL Cart #195 246
14-pin plug. Rotary-motion fingertip control
Small footprint and easily maneuverable,
with cylinder rack low enough that you do
not have to lift bottles.
use with Spoolmatic 30A spool gun. Includes
10 ft (3 m) wall-type plug and power cord.
®
fastens to TIG torch using two Velcro
straps. Includes 28 ft (8.5 m) control cord.
HF-251D-1
High-Frequency Arc
Starter and Stabilizer
#042 388
Portable 250 amp, 60%
duty cycle unit adds
high frequency to the
XMT Cylinder Cart
#042 537
Carries two 160 lb
(72.6 kg) gas
cylinders, or one gas
cylinder and one
RCCS-14 Remote Contactor and Current
Control #043 688
Up-and-down rotary-motion fingertip
control. Great for applications that require
a finer amperage control. Includes 28 ft
(8.5 m) control cord.
coolant system for
welding circuit to help start the arc when
using the DC TIG (GTAW) process.
Operates on 115 VAC, 50/50 Hz. See Lit.
Index No. AY/5.1.
TIG (GTAW) welding.
Feeder mounts to tray above power source.
Universal Carrying
Cart and Cylinder
Rack #042 934
Holds power source,
and gas cylinder up
to 56 in (142.2 cm)
high measuring
Extension Cords for Remote Controls
and 24 VAC Wire Feeders
#122 973 25 ft (7.6 m)
#122 974 50 ft (15.2 m)
#122 975 75 ft (22.8 m)
Process Selector Control #042 872
Designed for use with dual wire feeders,
applications where electrical isolation and/or
polarity reversing of weld current is required,
and for welding process changes. Includes
115 VAC/2 amp receptacle, two 14-pin
receptacles and a 10 ft (3 m) 14-pin cord.
14-pin plug to 14-pin socket.
Note: Not for use with Optima or 60M Series.
6 to 9 in (15.2 to 22.8 cm) in diameter.
6
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Genuine Miller Accessories
(continued)
™
Coolmate V3 #043 009 115 VAC
Protective Cover
For use with water-cooled torches rated up
to 500 amps. Vertical design conveniently
mounts to Miller cylinder rack in place of
one cylinder.
#195 478
Mildew and water
resistant, odor-free cover
protects your machine’s
finish. For 300/350 A
inverters: XMT,
™
Coolmate 4 #042 288 115 VAC
For use with water-cooled torches rated up
to 600 amps. Tough molded polyethylene
case with carrying handle.
®
Spoolmatic 30A #130 831
Maxstar and Dynasty.
A 1-lb, air-cooled spool gun that extends
the weld process range by adding a handy
portable system for small wire MIG. Rated
200 A at 100% duty cycle. Includes 30 ft
(9.1 m) cable assembly. (WC-24 #137 549
for 14 pin.)
Wire Feeders/Guns
Coolant #043 810
Sold in cases of four 1-gallon recyclable
plastic bottles. Miller coolants contain a
base of ethylene glycol and deionized water
to protect against freezing to -37˚F (-38˚C)
or boiling to 227˚F (108˚C). Also contains a
compound that resists algae growth.
™
Ironmate Flux Cored Guns
See Lit. Index No. AY/16.0.
FC-1260
#195 732 10 ft (3 m)
#195 729 15 ft (4.6 m)
International-Style Connectors
®
™
SuitCase X-TREME 8VS #300 093
®
™
SuitCase X-TREME 12VS #195 500
Lightweight, portable wire feeder for a
variety of wires up to .062 in. Holds up to
an 8 in (8VS) or 12in (12VS) spool of wire.
Operates on open-circuit voltage eliminating
the need for a control/power cord. See Lit.
Index No. M/6.4 and M/6.41.
Note: XMT 350 power sources are equipped with
International-style connectors for secondary
connections. (Power source is shipped with two
50-mm male International-style plugs for use with
#1 or #2 AWG size cable.)
FC-1260LM
#194 912 10 ft (3 m)
#194 911 15 ft (4.6 m)
FC-1150
#194 864 10 ft (3 m)
#194 863 15 ft (4.6 m)
®
International/Tweco
Adapter #042 465
International/Cam-Lok
Adapter #042 466
Water Coolant Systems
For more information, see the Miller Coolant
Systems literature sheet, Index No. AY/7.2.
One-piece adapter with International-style
male plug (to power source) on one end and
female receptacle (Tweco or Cam-Lok for
weld cable connection) on other end.
International-Style Connector Kit
SuitCase® 8RC/12RC #194 938/#194 940
Lightweight, portable wire feeder for a
variety of wires up to .062 in. Holds up to
an 8 in (8RC) or 12 in (12RC) spool of
wire. Operates using 14-pin control
receptacle. See Lit. Index No. M/6.5.
#042 418 50 mm
Accepts #4 or #1/0 AWG cable size. Required
if male plugs shipped with power source must
be replaced, or if additional plugs are needed.
#042 533 70 mm
Accepts #1/0 or #2/0 AWG cable size.
Required if #1/0 or #2/0 AWG size cable is
to be used.
XR Control #181 538
Push-pull wire feed
system offers
unparalleled performance
for aluminum MIG
welding. See Lit.
™
Coolmate 3
Kit includes one International-style male
plug which attaches to the work and/or weld
cables and plugs into the International-style
receptacles on the power source.
#043 007 115 VAC
#043 008 230 VAC
For use with water-cooled torches rated up
to 600 amps. Unique paddle-wheel
indicator, external filter and easy-fill spout.
Index No. M/1.7.
Extension Kit for International-Style
Cable Connectors
#042 419 50 mm
Accepts #4 or #1/0 AWG size cable.
70 Series
S-74S
S-74D
S-74DX #195 059
S-74MPa #300 411
Wire feeder features
#195 057
#195 058
#042 534 70 mm
Accepts #1/0 or #2/0 AWG size cable.
Used to adapt or extend weld and/or work
cables. Kit includes one male International-
style plug and one in-line female
Posifeed™ wire drive assembly and handles a
variety of wires up to 1/8 in. Comes with FREE
Bernard® Q™-Gun. See Lit. Index No. M/3.0.
International-style receptacle.
7
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Ordering Information
Power Source and Options
XMT® 350 CC/CV
Stock No.
Description
Qty.
Price
™
™
#907 161
208–575 VAC with Auto-Line
208–575 VAC with Auto-Line and Auxiliary Power
230–460 VAC with Auto-Line and Auxiliary Power and CE
208–575 VAC with Auto-Line and Tweco connectors
#907 161-01-1
#907 161-01-2
#907 161-01-4
™
™
XMT® 350 VS
#907 224
208–575 VAC with Auto-Line (without 14-pin, Tweco connectors)
™
XMT® 350 MPa
#907 366
#907 366-01-1
#907 366-01-4
208–575 VAC with Auto-Line
™
™
208–575 VAC with Auto-Line and Auxiliary Power
™
208–575 VAC with Auto-Line and Tweco connectors
XMT® 350 Wire Feeder Packages
See page 5
Inverter Racks (full or empty)
See Lit. Index No. DC/18.81
Accessories
Optima™ MIG Pulse Control
Optima™ Extension Cords
WC-24
#043 389
For CC/CV models only. Not for use with XMT 350 MPa or VS.
See page 6
For use with Spoolmatic® 30A and power sources with 14-pin
For use with Spoolmatic® 30A and power sources without 14-pin
#137 549
#137 546-01-1
#042 872
#195 286
#042 388
#043 554
#129 340
#129 337
#151 086
WC-115A
Process Selector Control
Gas Solenoid Kit
HF-251D-1 HF Starter/Stabilizer
RFCS-14
For XMT 350 models only
See Lit. Index No. AY/5.1
Foot control
RHC-14
Hand control
RMLS-14
Rocker switch
RCC-14
Fingertip control
RCCS-14
#043 688
Fingertip control
Extension Cords (For 24 VAC wire
feeders and remote controls)
See page 6. Not to be used with Optima, 60M or XR-M
Running Gear
MIGRunner™ Cart
MIGRunner™ XL Cart
#195 445
#195 246
#042 537
#042 934
XMT Cylinder Cart
Universal Carrying Cart and Cylinder Rack
Protective Cover
#195 478
Wire Feeders/Guns
SuitCase® X-TREME 8VS/X-TREME™ 12VS
SuitCase® 8RC/12RC
XR Control
#300 093/#195 500
#194 938/#194 940
#181 538
See Lit. Index No. M/6.4 and M/6.41
See Lit. Index No. M/6.5
See Lit. Index No. M/1.7
70 Series
#195 057
#195 058
#195 059
#300 411
S-74S. See Lit. Index No. M/3.0
S-74D. See Lit. Index No. M/3.0
S-74DX. See Lit. Index No. M/3.0
S-74MPa. Designed exclusively for XMT/Invision 350 MPa for
Synergic Pulsed MIG
Spoolmatic® 30A Spool Gun
Ironmate™ Flux Cored Guns
#130 831
Includes 30 ft (9.1 m) cable assembly
See Lit. Index No. AY/16.0
Water Coolant Systems
See page 7. See Lit. Index No. AY/7.2
See page 7
International-Style Connectors
Date:
Total Quoted Price:
Distributed by:
Litho in USA
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