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907552001 - Miller Maxstar 280 Multiprocess DC TIG/Stick/MIG Welder (Tweco)

Packaging: 1 PER EA
$14,019.14/ea $12,556.00/1 PER EA only $12,556.00/eaSave 10%

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OVERVIEW

Miller Maxstar 280 Multiprocess (Tweco) - 907552001

Take your welding operations to the next level with the Miller Maxstar 280 Multiprocess Welder, a machine designed to conquer the challenges of modern job sites. Whether you are working in a refinery, on a pipeline, or in a fabrication shop, the Maxstar 280 delivers industrial-grade performance in a package that can be easily carried by a single person. This model (907552001) comes equipped with Tweco-style connectors, offering robust and reliable cable connections preferred by many field professionals.

Unmatched Versatility: The Maxstar 280 isn't just a TIG machine; it is a multiprocess powerhouse. It excels at DC TIG and Stick welding, featuring tailored arc controls like DIG for Stick electrodes (running smooth 7018s or penetrating 6010s) and Hot Start™ for stick-free ignition. Need to run wire? Simply connect a voltage-sensing feeder, and you have full MIG and Flux-Cored capabilities. This flexibility means you can bring one machine to the job and tackle multiple tasks, increasing uptime and efficiency.

Smart Technology for Tough Jobs:

  • Auto-Line™ Technology: Never worry about input power again. The Maxstar 280 automatically adjusts to any voltage from 208V to 575V, making it the ideal solution for sites with fluctuating or uncertain power supplies.
  • Fan-On-Demand™: The cooling system operates only when necessary. This reduces noise, lowers energy consumption, and crucially, minimizes the amount of dust and debris pulled into the machine, extending its service life.
  • Stick-Stuck: This safety feature detects if the electrode is stuck to the part and turns off the welding output, allowing you to safely remove the electrode without arcing or damaging the workpiece.

The user interface is designed for speed and clarity. With the Pro-Set feature, you can bypass the trial-and-error of parameter setting and jump straight to optimized settings for your specific application. The machine also features a front panel memory card data port, allowing for easy software upgrades and feature expansions, ensuring your investment stays current with the latest welding technologies. From precision aerospace work to heavy-duty pipe fabrication, the Miller Maxstar 280 Multiprocess is the reliable partner you need.

Additional Information
Brand:Miller
Amperage:280
Voltage:208/230/460/575 V
Weld Process:Multi-Process
Phase:1-Phase, 3-Phase
Process Type:DC TIG, Pulsed TIG, Stick, MIG (with VS Feeder), Flux-Cored
Input Voltage:208-575 V
Portability:Shoulder Strap, Handle, Lightweight (47 lbs)
Cooling Type:Fan-On-Demand
Warranty Period:3 Years
Connection Type:Tweco-Style
Packaging Description:1 PER EA
Duty Cycle:N/A

INCLUDED

  • Maxstar 280 Multiprocess Power Source (Tweco Connectors)
  • 8 ft (2.4 m) Primary Cord
  • Adjustable Shoulder Strap
  • Quick Reference Guide

APPLICATIONS

  • Precision Fabrication
  • Petro Chemical
  • Aerospace
  • Food and Beverage Industry
  • Dairy
  • Shipboard and Shipbuilding
  • Pipe and Tube Fabrication
  • Refineries and Power Plants

FAQ

No, the Maxstar 280 is a DC-only machine. It cannot perform AC TIG welding required for aluminum. However, it can weld aluminum using the MIG process if paired with a compatible aluminum MIG gun and feeder.

This package includes the Maxstar 280 Multiprocess power source with Tweco-style connectors, an 8 ft (2.4 m) primary cord, and an adjustable shoulder strap. It does not include a torch, foot pedal, or wire feeder.

Auto-Line allows the welder to connect to any single-phase or three-phase input voltage between 208V and 575V automatically. There is no need to manually link terminals or change settings inside the machine.

Yes, the Maxstar 280 Multiprocess has CV (Constant Voltage) output capabilities. To MIG weld, you must pair it with a voltage-sensing wire feeder, such as the Miller ArcReach SuitCase 8 or 12.

QuietPulse is a feature that modifies the DC TIG pulse waveform to a sine or triangular shape, creating a smoother transition between peak and background amperage. This significantly reduces the audible noise generated by the arc.

The power source weighs approximately 47 lbs (21.3 kg), making it highly portable for job site applications.

Blue Lightning provides high-frequency (HF) non-contact arc initiation. It is more reliable and consistent than traditional HF starters, ensuring the arc starts cleanly without contaminating the tungsten.

Yes, the Maxstar 280 features tailored arc control (DIG) which can be adjusted to provide a stiffer, more penetrating arc ideal for running 6010 cellulosic electrodes.

CATALOGUE & SPEC SHEETS

Spec Sheet
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