Tweco 1140-1442 Robotic Contact Tip 0.045 Inch 400A

Product Description

The TWECO 1140-1442 is a robotic MIG welding contact tip rated for heavy duty applications up to 400 amps. It is designed to accommodate 0.045-inch wire and delivers reliable current transfer with excellent electrical conductivity at the point of contact. The tip is marked with both the part number and wire diameter for fast identification during high-volume robotic welding operations. Welding technicians and robotic cell operators install this tip as a routine consumable to maintain weld quality and protect gun life. It is sold in packs of 25.

This contact tip is suited for robotic MIG welding cells running 0.045-inch solid or flux-cored wire in heavy industrial environments. Typical applications include structural fabrication, automotive manufacturing, and other high-cycle production welding scenarios where consistent arc performance and tip longevity are critical. The 400A rating makes it appropriate for high-deposition robotic passes on thicker base materials.

Key Features

• Rated up to 400A for heavy duty robotic MIG welding
• Accepts 0.045-inch welding wire
• Excellent electrical conductivity for stable arc performance
• Part number and wire diameter stamped on tip for easy identification
• Sold as 25 per pack for high-volume consumable restocking

Compatibility

Designed as an OEM-style robotic MIG welding contact tip for use in heavy duty robotic welding guns and torches configured for 0.045-inch wire.

Installation Notes

Contact tips are installed and replaced by welding technicians or robotic cell maintenance personnel. Power down the welding system and allow the gun neck to cool before replacing the contact tip. Use the appropriate tip wrench or contact tip tool to avoid cross-threading or overtightening. Inspect the gas nozzle and liner condition whenever the contact tip is changed to maintain consistent weld quality.

Technical Specifications

• Wire Diameter: 0.045 inches
• Current Rating: 400A
• Length: 1.5 inches
• Width: 0.3 inches
• Weight: 0.02 pounds
• Quantity per Pack: 25
• UPC: 608246345529

Standard Information

• Brand: TWECO
• Manufacturer Part Number: 1140-1442