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The Miller CA3U22 (Tregaskiss TOUGH GUN CA3) is a 22-foot air-cooled robotic power cable (unicable) designed for high-volume automated welding. It functions as a single assembly integrating shielding gas, electrical current, and clutch wiring, specifically engineered for torsional resilience in Axis 6 robotic operations.
Features
1/4-turn quick-change design for tool-assisted replacement
Integrated single-assembly construction for gas, power, and control wires
Field-replaceable while gun remains mounted to the robot
Visual 'UNLOCK' position icon on sticker for orientation
Undercut on clutch connector housing for cable guide retention
Compatible with internal and external clutch wiring configurations
Torsional resilience for high-stress robotic movement
Removable power pin and connector for reuse on replacement unicables
Specifications
Manufacturer: ITW / Miller / Tregaskiss
MPN: CA3U22
Length: 22 feet
Cooling Type: Air-cooled
Amperage Rating: 400 Amps
Connection Type: 1/4-turn quick-change
Locking Hardware: 5 mm Socket Head Cap Screw (SHCS)
Required Tools: 5 mm Allen wrench
Compatibility: Tregaskiss CA3 MIG Guns manufactured on or after April 8, 2015