Plasma Cutter supports manual and automated applications.

Press Release Summary:

Accepting any primary input voltage from 208-575 V, single- or 3-phase, 50/60 Hz, Spectrum® 875 Auto-Line is available in handheld and machine torch packages. Auto-line(TM) technology allows use in virtually any location without physical linking mechanism. When connected to Big Blue® diesel engine drives with 12 kW of power, system provides 60 A output to cut 7/8 in. steel at 10 ipm. Auto-Refire(TM) technology automatically keeps pilot arc lit while cutting expanded metal or multiple pieces of metal.

Original Press Release:

Spectrum 875 Auto-Line Plasma Cutter Offers Flexibility for Manual or Automated Cutting Applications

The Spectrum® 875 Auto-Line from Miller accepts any primary input voltage from 208 to 575 volts, single- or three-phase, 50 or 60 Hz and is available in handheld and machine torch packages for mechanized plasma cutting applications.

Highlights/Key Facts

o Auto-line(TM) technology allows unit to be used in virtually any location without the need for any physical linking mechanism.

o Machine torch packages enable use in semi- and fully-automated cutting applications.

o Compact, lightweight design increases portability and frees up valuable production space.

o Spectrum 875 Auto-Line replaces Spectrum® 2050 with upgraded features and lower cost.

APPLETON, Wis., - Miller Electric Mfg. Co. today introduces the Spectrum® 875 Auto-Line plasma cutter. Weighing 56 lbs. and able to cut metal up to 1 1/4-in. thick (7/8-in. at a rated quality of 10 inches per minute), the Spectrum 875 Auto-Line is ideal for fabricators, contractors and businesses that require job site versatility, portability and exceptional cutting performance.

The Spectrum 875 Auto-Line seamlessly recognizes and adjusts to any input voltage from 208 to 575 volts, single- or three-phase power and 50 or 60 Hz without the need for physical linking mechanisms. The Auto-Line technology enables the unit to operate on generator power without being affected by power fluctuations during the use of other power tools.

Fit for the Field

Auto-Line allows companies to simply plug the unit in and begin cutting in virtually any shop or field environment and location. When connected to the generator power from Miller's Bobcat® or Trailblazer® gas engine drives, the Spectrum 875 Auto-Line provides a 45-amp output to cut steel 1/2 inch thick. When connected to Miller's Big Blue® "deluxe" model diesel engine drives with 12 kilowatts (kW) or more of generator power options, the Spectrum 875 Auto-Line provides a full 60 amps of rated output to cut 7/8-in. steel at 10 ipm.


Replacing Miller's Spectrum 2050 plasma cutter, the Spectrum 875 Auto-Line offers increased cutting power and several upgraded features, yet with a lower price tag and in a package that weighs 30 lbs. less than the 2050. Among these upgrades, the Spectrum 875 Auto-Line provides automatic air regulation, eliminating the need to manually adjust the air pressure to match the cutting application, an additional 5 amps of output power and Miller's patented Ultra-Quick Connect(TM) torch and work cable for the fastest torch and cable connection and removal in the industry.

The Spectrum 875 Auto-Line's Auto-Refire(TM) technology automatically keeps the pilot arc lit while cutting expanded metal or multiple pieces of metal, eliminating the need for manual re-triggering and reducing operator hand fatigue.

For fabricators who want to take plasma cutting precision to the next level, the Spectrum 875 Auto-Line is also available with an optional machine torch package for mechanized cutting applications. The machine torch package includes a barrel-style torch for attachment to an automated cutting system, and a cable kit allowing easy access to remote on/off, ok to move and voltage sensing.. In mechanized applications that require very precise output consistency, the Auto-Line technology provides a smooth, reliable cut in the event of brown-outs or other primary power fluctuations.

The Spectrum 875 Auto-Line will not replace the standard Spectrum 875, which operates solely using the most common input power in fabrication environments: 230-volt single-phase.

Product Manager Quote

"Through our research, we saw many fabricators whose available input power would change on a regular basis from job to job. We also saw a need for an affordable plasma cutting solution that could help fabricators make the leap into mechanized cutting applications. With the Spectrum 875 Auto-Line, we created one product that meets both demands."
-Steve Hidden, product manager, Miller Electric Mfg. Co.

Additional Information

Big Shoes To Fill

Setting the gold standard for construction, MRO and fabrication plasma cutting applications, the Spectrum 2050 provided users with features, benefits and durability that defined its product category. Building on that legacy, the Spectrum 875 Auto-Line offers everything that users loved about the Spectrum 2050 in a smaller package and with a lower price tag.

Like the Spectrum 2050, the Spectrum 875 Auto-Line also uses Wind Tunnel Technology(TM), which prevents dust and debris from damaging internal circuitry and components while the cooling fan is in operation.

Another carry-over from the Spectrum 2050 is Miller's Fan On Demand(TM) feature, which reduces dust and debris entering the unit by activating the cooling fan only when needed.

About Miller

Miller Electric Mfg. Co., headquartered in Appleton, Wis., is a leading worldwide manufacturer of Miller brand arc welding equipment and is a wholly owned subsidiary of Illinois Tool Works Inc. (NYSE: ITW).

For more information, visit Miller's Web site at, call 1-800-4-A-Miller (800-426-4553), e-mail, fax 877-327-8132, or write to Miller Electric Mfg. Co., P.O. Box 100, Lithonia, GA 30058.

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