Skip to Main Content

40V84 - ESAB HW-12 TIG Power Cable 25ft Water Cooled

Packaging: pack of 1
$730.80/EA $449.82/pack of 1 only $449.82/EASave 38%

Usually ships within 3-5 business days

SKU: ESB40V84 Categories: ,

OVERVIEW

Heavy-Duty Power Delivery for Industrial TIG Welding

The ESAB 40V84 is a premium replacement power cable designed specifically for the HW-12 (Heliarc) and WP-12 series of water-cooled TIG torches. In the realm of high-amperage Gas Tungsten Arc Welding (GTAW), the integrity of the power cable is paramount. This component serves a dual purpose: it acts as the primary conduit for the welding current traveling from the power source to the torch electrode, and it simultaneously functions as the return line for the coolant water exiting the torch head. This "power-in-water" design allows for a lighter, more flexible cable assembly compared to separate solid copper cables, which would be unwieldy at 500 amps.

Constructed with high-grade copper stranding, the 40V84 ensures minimal voltage drop over its 25-foot length, maintaining arc stability even at the upper limits of the torch's duty cycle. The copper conductor is encased in a robust, non-conductive rubber hose that is formulated to withstand the rigors of industrial environments. This outer jacket offers excellent resistance to abrasion, cuts, and exposure to ozone or workshop chemicals, ensuring a long service life. The hose material also retains flexibility across a wide temperature range, preventing the stiffness that can lead to operator fatigue or repetitive strain injuries.

The connections on the 40V84 are precision-crimped to ensure a leak-proof seal for the coolant and a low-resistance electrical bond. This is critical for preventing coolant loss, which can rapidly destroy a water-cooled torch head, and for preventing resistive heating at the connection points. As a genuine ESAB part, this cable meets strict OEM specifications for fitment and performance, ensuring seamless integration with existing HW-12 torch bodies and standard water-cooled TIG setups. It is an essential component for maintaining the operational readiness of heavy-duty welding stations used in aerospace, power generation, and heavy fabrication.

Additional Information
Brand:ESAB
Product Type:TIG Power Cable
Torch Compatibility:HW-12, WP-12
Length:25 ft
Cooling Method:Water-Cooled
Packaging Description:1 Per Ea
Amperage Rating:500A
Cable Type:Power / Water Return
Material:Rubber, Copper

INCLUDED

  • 1x 40V84 Power Cable (25 ft)

APPLICATIONS

  • Heavy industrial fabrication
  • Aluminum ship repair and construction
  • Power plant maintenance
  • Aerospace component welding
  • Pressure vessel manufacturing
  • Structural aluminum welding

FAQ

The 40V84 is designed for the HW-12 (Heliarc) and WP-12 series of heavy-duty water-cooled TIG torches.

This power cable is 25 feet (approximately 7.6 meters) long.

This is a water-cooled power cable. It carries both the welding current and the return water flow.

It is rated for use with torches up to 500 Amps, consistent with the HW-12 specifications.

No, this is specifically the power/water return cable. The gas hose and water inlet hose are separate components on a 3-line TIG setup.

If your power cable is getting hot, it usually indicates broken internal copper strands reducing conductivity, or insufficient water flow. It should be replaced immediately.

The jacket is made of durable, high-flexibility rubber/vinyl composite designed to resist heat and abrasion.

No, the WP-20 is a smaller torch series. The 40V84 is specifically for the larger HW-12/WP-12 style torches.