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266810 - Miller WCC Interface Board Potted 266810

Packaging: 1 PER EA
$5,145.14/EA $3,364.13/1 PER EA only $3,364.13/EASave 35%

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OVERVIEW

Genuine Miller 266810 Circuit Card Assembly – WCC Interface Potted

The Miller 266810 is a specialized Circuit Card Assembly designed to serve as the WCC (Weld Control Communication) interface within compatible Miller industrial welding systems. As a critical component of the machine's control architecture, this board facilitates the precise communication of welding parameters and control signals between the power source and peripheral components such as wire feeders or remote interfaces. Utilizing genuine OEM parts is essential for maintaining the calibrated performance and safety standards of high-end welding equipment.

A defining feature of this specific assembly is its "potted" construction. Potting involves encapsulating the electronic components and the board itself in a solid or gelatinous compound (resin). This process provides superior protection against environmental hazards that are prevalent in heavy industrial settings. The potting material acts as a barrier against conductive metal dust, grinding debris, moisture, and oil, which can otherwise cause short circuits or corrosion on exposed printed circuit boards (PCBs). Furthermore, the potting compound adds structural rigidity, dampening the effects of mechanical vibration and thermal shock, thereby extending the operational lifespan of the component.

Technicians and maintenance personnel should verify the part number 266810 against the equipment's parts manual before installation. This board is engineered to meet Miller's exact specifications for voltage tolerance, signal integrity, and physical fitment. Installing non-OEM or generic alternatives in complex digital welding systems can lead to communication errors, erratic arc performance, or damage to other expensive internal components. This assembly is supplied ready for installation, ensuring a straightforward repair process for qualified service personnel.

Key Technical Specifications:

  • Part Number: 266810
  • Manufacturer: Miller Electric
  • Type: Circuit Card Assembly (PCB)
  • Function: WCC Interface
  • Construction: Potted (Encapsulated) for environmental protection
Additional Information
Packaging Description:1 Per Ea
Product Type:Circuit Card Assembly, PCB
Component Type:WCC Interface
Condition:New
----- new values below ----
Product Type:Circuit Card Assembly, PCB
Component Type:WCC Interface
Protection Type:Potted
Condition:New
Brand:Miller OEM
Packaging Description:1 Per Ea

INCLUDED

  • 1 x Circuit Card Assembly (WCC Interface, Potted)
  • Installation Instructions (if applicable)
  • Anti-static packaging

APPLICATIONS

  • Replacement of failed WCC interface boards in Miller welding power sources
  • Repair of communication errors between welder and wire feeder
  • Maintenance of industrial welding systems in high-dust or high-vibration environments
  • Restoration of digital control functions in compatible Miller equipment

FAQ

Potted means the electronic components on the board are encased in a protective resin or compound. This protects the electronics from moisture, dust, vibration, and physical impact.

Yes, this is a genuine OEM Miller Electric part, number 266810.

You must check the parts breakdown manual for your specific Miller welding machine serial number. Look for part number 266810 in the electrical diagrams.

Installation involves working with internal electrical components. It is recommended that a qualified electrician or certified welding equipment repair technician perform the installation to ensure safety and proper calibration.

Common symptoms include communication errors displayed on the screen, the wire feeder not responding to the power source, or erratic behavior in weld output controls.

Miller replacement parts typically carry a warranty against manufacturing defects. Please consult the specific warranty terms for replacement parts at the time of purchase.

The WCC (Weld Control Communication) interface handles the data exchange between the main processor and other modules, ensuring the machine reacts instantly to changes in the arc or user settings.