Skip to Main Content

279350 - Miller 279350 Motor Control PCB Assembly

Packaging: 1 PER EA
$1,970.20/EA $1,417.02/1 PER EA only $1,417.02/EASave 28%

Usually ships within 3-5 business days

OVERVIEW

Restore Precision Control to Your Welding Operations

The Miller 279350 Circuit Card Assembly Motor Control with Program is a critical component designed to maintain the operational integrity of your Miller welding equipment. In the demanding world of industrial fabrication, the consistency of your wire feed system is paramount. This circuit card assembly (PCBA) serves as the brain behind the motor's operation, interpreting control signals and regulating the speed and torque of the wire drive motor with high precision. When this component fails or begins to degrade, the result is often erratic wire feeding, arc instability, and ultimately, compromised weld quality.

As a genuine Miller Electric OEM part, this assembly is manufactured to the exact specifications of the original equipment. Unlike aftermarket alternatives that may use generic components or approximate logic, the 279350 is built to interface seamlessly with your machine's existing architecture. Crucially, this unit comes pre-programmed. This feature significantly reduces downtime during maintenance, as technicians do not need to source firmware or perform complex flashing procedures in the field. The board is ready to interpret the specific operational parameters of your machine immediately upon installation.

Industrial electronics face unique challenges, including exposure to metallic dust, thermal cycling, and vibration. Miller designs their circuit assemblies to withstand these harsh conditions, ensuring longevity and reliability. Replacing a faulty motor control board with this authentic part not only fixes immediate issues but also protects the downstream components of your welding system, such as the drive motor itself, from damage caused by irregular voltage or current regulation.

For maintenance managers and equipment repair specialists, choosing the Miller 279350 ensures that the repair is done right the first time. It eliminates compatibility guesswork and ensures that the machine's safety features and duty cycle ratings remain intact. Whether you are troubleshooting a sudden failure or performing preventative maintenance on an aging fleet, this motor control assembly is the definitive solution for restoring factory-level performance to your Miller wire feeding systems.

Additional Information
Packaging Description:1 Per Ea
Product Type:Circuit Card Assembly
Function:Motor Control
Configuration:Pre-Programmed
----- new values below ----
Product Type:Circuit Card Assembly
Function:Motor Control
Configuration:Pre-Programmed
Brand:Miller
Packaging Description:1 Per Ea

INCLUDED

  • 1 x Miller 279350 Circuit Card Assembly (Motor Control with Program)
  • 1 x Installation Instructions (if applicable)
  • 1 x Anti-Static Packaging

APPLICATIONS

  • Replacement of failed motor control boards in compatible Miller wire feeders
  • Repair of erratic wire feed speed issues
  • Restoration of non-responsive wire drive motors
  • Maintenance of industrial MIG/MAG welding systems
  • OEM repair for specific Miller serial number ranges

FAQ

This circuit card assembly acts as the motor control unit, regulating the speed and operation of the wire drive motor in compatible Miller welding machines.

Yes, the Miller 279350 comes pre-programmed from the factory, allowing for immediate installation without the need for field software flashing.

You must verify compatibility using your machine's serial number. Consult your owner's manual or the parts list for your specific Miller welder to confirm the part number 279350 is required.

While it is a direct replacement, installation involves working with internal electrical components. It is recommended that a qualified technician perform the installation to ensure safety and proper handling of static-sensitive electronics.

Common symptoms include erratic wire feeding, the wire feed motor not turning at all despite having power, or the motor running at uncontrollable speeds.

This is a genuine OEM (Original Equipment Manufacturer) part from Miller Electric, ensuring exact specifications and quality.

No, this specific board is dedicated to motor control (wire feed speed). Voltage control is typically handled by a separate main control board or potentiometer assembly, depending on the machine model.

Always disconnect power to the machine before opening the case. Use anti-static measures (like a grounding strap) when handling the board to prevent damage to sensitive microchips.