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278266 - Miller XMT FieldPro Replacement Front Panel Membrane Switch 278266

Packaging: 1 per ea
$705.23/ea $437.64/1 per ea only $437.64/eaSave 38%

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OVERVIEW

Restore Precision Control with the Miller 278266 Membrane Switch

The Miller 278266 Nameplate/Switch Membrane is a critical replacement component designed specifically for the Miller XMT FieldPro series of welding power sources. In the demanding environments where XMT machines operate—such as construction sites, shipyards, and fabrication shops—the front panel interface is subjected to constant physical interaction, abrasion from gloved hands, and exposure to UV light and industrial contaminants. Over time, this can lead to the degradation of the membrane switch, resulting in unresponsive buttons, cracked overlays, or illegible control graphics. This genuine Miller OEM part allows you to restore your machine to factory-new functionality and appearance.

This component serves a dual purpose: it acts as the visual nameplate that labels all machine functions and parameters, and it contains the electronic membrane switch matrix that registers user inputs. When buttons become hard to press or fail to register entirely, the issue often lies within the layers of this membrane. Replacing it with the authentic Miller 278266 ensures that the tactile feel and electronic response match the original specifications of the machine. The overlay is manufactured from durable, industrial-grade materials capable of withstanding the rigors of daily welding operations while sealing the front panel against dust and moisture ingress.

Installation is straightforward, utilizing a strong adhesive backing that bonds securely to the machine's metal chassis. By maintaining the integrity of your welder's interface, you ensure that operators can make precise adjustments quickly and safely, minimizing downtime and maintaining weld quality. Trust in genuine Miller parts from Josef Gas to keep your fleet of XMT FieldPro welders running at peak performance.

Additional Information
Packaging Description:1 Per Ea, pack of 1
Compatible Model:Miller XMT FieldPro
Part Type:Control Overlay, Membrane Switch, Nameplate
Mounting Type:Adhesive Backing
----- new values below ----
Compatible Model:Miller XMT FieldPro
Part Type:Membrane Switch, Nameplate, Control Overlay
Mounting Type:Adhesive Backing
Brand:Miller OEM
Packaging Description:pack-of-1

INCLUDED

  • 1 x Miller 278266 Nameplate/Switch Membrane

APPLICATIONS

  • Replacement of worn or damaged front panel interfaces on Miller XMT FieldPro welders.
  • Repairing unresponsive or intermittent control buttons on the power source.
  • Restoring legibility to faded or scratched machine control graphics.
  • Sealing the front panel against environmental contaminants like dust and moisture.

FAQ

This part is designed specifically for the Miller XMT FieldPro welding power source.

Yes, this is a membrane switch assembly, meaning it includes the flat, integrated switches within the layers of the nameplate.

You must carefully peel off the old membrane, clean the metal surface thoroughly to remove old glue, and then peel and stick the new membrane, connecting the ribbon cable to the board.

If the buttons are unresponsive or require hard pressing, the membrane switch (part 278266) is likely worn out and needs replacement.

Yes, the Miller 278266 is a genuine Original Equipment Manufacturer part from Miller Electric.

This specific part number is listed for the XMT FieldPro. Other XMT models (like the 350 or 450) may have different button layouts and require different part numbers.