
The Weldcraft 40V84R-3 is a specialized power cable assembly designed explicitly for the heavy-duty WP-27A and WP-28B series TIG torches. These torches are typically utilized in high-amperage, automated, or heavy industrial manual welding applications where thermal management and current carrying capacity are critical. This cable features a length of 3 feet (0.9 meters), making it suitable for specific short-run configurations, jumper connections, or specialized mounting setups where excessive cable slack is undesirable.
Constructed with a high-grade rubber outer jacket, this power cable offers significant advantages over standard vinyl or braided hoses. Rubber provides enhanced flexibility across a wide temperature range, resisting stiffening in cold environments and maintaining structural integrity in high-heat zones near the weld puddle. The material also exhibits superior resistance to abrasion, cuts, and incidental contact with hot surfaces, which is essential for the longevity of components in harsh fabrication environments.
Internally, the cable utilizes high-conductivity copper stranding designed to handle the amperage requirements of the WP-27 and WP-28 series torches. Efficient power transmission is vital to prevent resistive heating within the cable itself, ensuring that the welding energy is delivered effectively to the tungsten electrode. The fittings are precision-machined to ensure a secure, leak-free connection with the torch body and the power source or water cooler adapter, maintaining the integrity of the electrical circuit and, if applicable, the coolant path.
Maintenance and replacement of the power cable are critical for TIG torch performance. A compromised cable can lead to arc instability, coolant leaks, or dangerous electrical faults. The 40V84R-3 is an OEM (Original Equipment Manufacturer) part from Weldcraft (Miller Electric), ensuring exact dimensional compatibility with the thread pitches and connection styles of the specified torch models. This eliminates the risks associated with generic aftermarket parts that may not seal correctly or handle the rated current loads.
| Additional Information |
|---|
| Brand:Weldcraft |
| Item:Power Cable |
| Length:3 ft |
| Packaging Description:1-per-each |
| Compatible Torches:WP-27A, WP-28B |
| Cable Material:Rubber |
| Length Metric:0.9m |
| Cooling Method:Water Cooled |