ends in your wallet. You get:
Better weld quality, uninterrupted production
Universal location flexibility: plug in anywhere
Lower primary amperage draw
More welding output on 115 V primary
Lower utility bills and potential for rebates
NOT a Linking Technology
Only Miller inverters feature Auto-Line. And
make no mistake: Auto-Line significantly raises the
performance bar over the older technology of automatic
linking. With automatic linking, the power source
senses the incoming voltage and automatically configures
or links the power switching transistors for 230 or
460 V primary. While a step up from removing the
machine cover and manually linking jumpers, it still
involves mechanical components that are subject to
failure. And it cant compensate for voltage spikes or
dips beyond ±10 % of nominal. 3
Primary Power Management
Auto-Line lets you manage primary power for
the first time ever. No longer do you have to accept
what comes out of the receptacle. Auto-Line provides
so many benefits because it essentially enables the
welder or plasma cutter to create its own source of
primary power.
Heres how it works: Auto-Line technology uses
whats known as a boost converter. This circuit boosts
primary input power from 115 to 575 V or anywhere
in between to a higher voltage. This voltage then
charges a capacitor, which is a device used to store and
quickly discharge energy. Power for the actual inverter
section of the welder comes from this capacitor. In short,
its like drawing water from a well thats always full.
Primary
Input Voltage
Fluctuations
460 V
400 V
230 V
190 V
630 V
Consistent
Output Voltage
Steady Welding Arc
Primary Power Flexibility
The Auto-Line circuit boosts primary power to a higher, constant voltage.
Even if incoming voltage varies widely, the Auto-Line circuit ensures a
rock-steady welding or cutting arc. 4
Better Weld Quality,
Uninterrupted Production
Know how your kitchen lights dim when the
refrigerators compressor kicks in? The same thing
happens on job sites, in fab shops, manufacturing
facilities or when running off generator power. And
heres the scary part: you might not even know it until
the QA/QC department rejects your weld. Then again,
you might know it when a power surge or dip causes
your arc to flicker and your inverters to shut down for
self protection. In extreme situations, machines with
automatic linking have been known to re-link to the
wrong power and fail.
But theres no worry with Auto-Line . It lets you ride
effortlessly through dirty power. Auto-Line gives you
a rock steady arc, on spec welding parameters and
equipment with an incredibly dynamic, link-free
operating range. For products like the XMT
®
350 or
Axcess , Auto-Line provides a +37%, -59% operating
range thats an effective 630 VAC surge to a 190 VAC
Volt droop on a 460 V line.
The ability of the XMT 350 to ride through the voltage drop that shut
down (other inverters) was proof positive to me of Auto-Lines
benefits, says the owner of this fab shop.
Auto-Line can assist in maintaining weld specifications
and deliver uninterrupted production. 5
Universal Location Flexibility
Auto-Line permits direct connection to almost
any type of input power. 115 V through 575 V. Single-
or three-phase. 50 or 60 Hz. Even the third rail of a
subway. Youll appreciate the flexibility of Auto-Line
when you cant predict the location of your next job.
Want to use the same welder in the shop and in the
field? Have multi-national production facilities? Or
are you just tired of waiting for an electrician to run
wiring? Check out these Miller inverters and their
Auto-Line capabilities:
XMT 350 (190 V 630 V, 1- or 3-phase, 50 or 60 Hz)
Axcess Series (190 V 630 V, 1- or 3-phase, 50 or 60 Hz)
Spectrum
®
2050 (190 V 630 V, 1- or 3-phase, 50 or 60 Hz)
Dynasty
®
200 (120 460 V, 1- or 3-phase, 50 or 60 Hz)
Maxstar
®
200 (120 460 V, 1- or 3-phase, 50 or 60 Hz)
Maxstar
®
150 (115 230 V, 1-phase only, 50 or 60 Hz)
The Spectrum 2050, the first inverter ever to feature Auto-Line, gained
the respect of contractors for its ability to work wherever they do.
With a Miller inverter featuring Auto-Line, simply
connect the right plug and youre ready to weld or
cut anywhere in the world. 6
Draw Fewer Amps
Construction sites are notoriously starved for
power. Successful fabricators and manufacturers also
face the same problem. Theyve added so much new
equipment that theres no power left to run more
welding machines without changes to incoming
electrical service. Thats a problem that could easily
cost you $10,000 $50,000. Or maybe not. As an
added benefit, Miller inverters with Auto-Line draw
far less primary current than other machines.
As a general rule, you can add two Auto-Line
CC/CV inverters by retiring just one transformer-type
welder. Even in an apples-to-apples comparison, its
no contest: On 460 V primary, the XMT 350 draws only
17.8 amps. Thats a 25% advantage over competitive
inverters, and a big bonus for you. On a 100-amp
breaker, you can add five XMTs, but just four
competitive machines.
When it comes to Miller TIG inverters, Auto-Line
rewrites the primary power rule book. In fact, you can
run four Dynasty 200s on less power than it takes to
run a 250-amp conventional TIG unit. Thats because
the Dynasty 200 draws a mere 16 amps on a 230 V,
single-phase line. And remember that Auto-Line
enables using three-phase power, which further
improves efficiency.
The low amp draw of the Dynasty 200 DX with Auto-Line enabled this
fabricator to add eight more TIG machines without any changes to an
already stressed primary service.
Low primary amp draw
benefits contractors, too.
If you run an Auto-Line
inverter off a generator,
or if you run long secon-
dary weld cables, theres
much less worry about
tripping the breaker. 7
The Most Power Per Pound
Millers Auto-Line circuit provides near perfect
Power Factor. In everyday terms, this means you get the
maximum output for a given primary current draw. As a
result, the Maxstar 150 can produce 30 percent more
welding power than competitive machines on 115 V
primary. The Maxstar 150 can weld at approximately
110 amps, or enough power to run 1/8-in. E7018 Stick
electrode a feat no other inverter in its class can
accomplish. For the same reason, the Dynasty 200 is
the only inverter than can weld aluminum at up to
125 amps on 115 V primary.
The Maxstar 150 with Auto-Line gives this mechanical contractor
the power to run larger Stick electrodes that other inverters simply
cant handle.
Miller TIG inverters with Auto-Line offer unmatched
portability and convenience. The Maxstar 150 weighs
less than 14 lbs. and the Dynasty 200 weighs just 45 lbs. Power
Source
XMT 350
Spectrum
2050
Maxstar
200
Maxstar
150
Dynasty
200
Axcess
Series
Manufacturing/
Fabrication
Structural
Construction
Mechanical
Contractor
Maintenance
Repair
Key

Ride through power dips and spikes

Universal location flexibility; plug in anywhere

Lower primary amperage draw

More welding output on 115 V primary

Potential for utility rebates
8
Utility Rebates, Anyone?
Near perfect power factor may have another
benefit, too. Utility companies often reward those who
use energy efficiently. They do this through rebates for
purchasing efficient equipment, and more often through
cost penalties for inefficiency. Since no other welding
equipment can match the performance of Auto-Line,
Miller inverters put you in the best position possible.
Miller inverters with Auto-Line could lower your utility
bill by hundreds or thousands of dollars, and you
might be in a position to get utility rebates.
Benefits by Market Segment An Illinois Tool Works Company
©2004 Miller Electric Mfg Co.
w w w. M i l l e r We l d s . c o m
For detailed specification sheets or to locate your
nearest Miller distributor, call:
1-800-4-A-Miller
(1-800-426-4553)