Skip to Main Content
Canadian
Canadian owned and operated

242250 - Miller Heavy-Duty Male Cable Connector 3/0-4/0 Tweco Style

Packaging: 1 PER EA
$113.51/EA $79.93/1 PER EA only $79.93/EASave 30%

Usually ships within 3-5 business days

OVERVIEW

Heavy-Duty Miller 242250 Male Cable Connector

The Miller 242250 is a premium insulated male cable connector designed for heavy industrial welding applications. Engineered to fit 3/0 and 4/0 AWG welding cables, this connector is the standard for professionals requiring high-capacity power transmission. Its robust construction ensures minimal electrical resistance, which translates to a smoother, more consistent welding arc and reduced heat buildup at the connection point.

This connector utilizes the industry-standard Tweco/Lenco type interface. This universal twist-lock design is favored for its ability to create a high-pressure contact area that maximizes conductivity while remaining easy to connect and disconnect. A simple twist secures the male plug into a mating female socket, providing a mechanical lock that resists pulling apart under tension. This feature is essential for mobile welding operations where cables are frequently dragged or repositioned.

Technical Specifications and Compatibility

The Miller 242250 is classified as a Heavy Duty (HD) connector, suitable for the high amperage loads carried by 3/0 and 4/0 cables. The internal connection mechanism is designed to grip the copper strands of the cable securely, ensuring efficient current transfer. The exterior is protected by a tough, high-dielectric insulator that resists oil, grease, and workshop grime.

  • Cable Compatibility: Fits 3/0 to 4/0 AWG.
  • Style: Male, Tweco/Lenco compatible twist-lock.
  • Safety: Fully insulated to prevent shorting and shocks.
  • Application: Ideal for cable extensions, machine connections, and lead repairs.

Whether you are outfitting a new fleet of welding machines or replacing worn-out connectors on your existing leads, the Miller 242250 offers the quality and performance associated with the Miller Electric brand. It provides a seamless fit for mixed-brand environments utilizing Tweco or Lenco style accessories, making it a versatile addition to any welder's inventory.

Additional Information
Cable Size:3/0 to 4/0 AWG
Receptacle Type:Male
Packaging Description:1 Per Ea
Connection Style:Tweco/Lenco Type, Twist Lock
Insulation:Fully Insulated
Duty Rating:Heavy Duty (HD)

INCLUDED

  • 1 x Miller 242250 Male Cable Connector (Tweco/Lenco Type)
  • Insulating Cover
  • Mounting Hardware (Internal screws/shims as applicable)

APPLICATIONS

  • Extending welding leads for increased reach.
  • Connecting welding cables to power sources with Tweco-style studs.
  • Repairing damaged cable ends on 3/0 or 4/0 cables.
  • Heavy industrial fabrication and structural welding setups.
  • Shipbuilding and construction site welding.

FAQ

This connector is designed for heavy-duty cables, specifically sizes 3/0 AWG and 4/0 AWG.

Yes, it is a Tweco/Lenco type connector, meaning it is compatible with standard twist-lock female connectors of the same style and size from other manufacturers.

The Miller 242250 is a Male connector. It requires a mating Female connector to complete the connection.

Yes, the connector is fully insulated and comes with the necessary housing to cover the metal connection.

Typically, these heavy-duty connectors use a set-screw (ball point or similar) or a shim mechanism to mechanically secure the stripped cable end inside the brass body.

While the specific amperage depends on the cable used and duty cycle, 3/0 and 4/0 connectors are generally rated for heavy-duty use, often handling 350-500+ amps depending on the specific setup.

It is not recommended. This connector is oversized for 1/0 cable, which may result in a loose connection. You should use a connector sized specifically for 1/0 or 2/0 cable for best results.