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0700004007 - ESAB NKK-600 Rotary Ground Clamp 600A

Packaging: pack of 1
$3,059.42/EA $1,960.42/pack of 1 only $1,960.42/EASave 36%

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OVERVIEW

ESAB NKK-600: The Professional Solution for Rotating Grounds

Welders know that good grounding is the foundation of a good weld. When working with rotary positioners, turntables, or pipe rollers, maintaining that ground can be a challenge. Static ground clamps simply cannot handle continuous rotation; they twist the cable until it snaps or pulls the clamp loose, causing arc blow, resistance heating, and poor weld quality. The ESAB NKK-600 600A Rotating Coupling is engineered specifically to address this challenge, offering a seamless, rotating ground path for currents up to 600 Amps.

The NKK-600 functions as a high-amperage slip ring or rotary connector. It attaches directly to the rotating fixture or workpiece, allowing the ground cable to remain stationary while the part spins freely. This design not only protects your welding cables from mechanical failure but also ensures that the electrical resistance remains low and constant throughout the full 360-degree rotation. This is particularly critical in mechanized welding where voltage fluctuations can confuse arc voltage controls (AVC) or lead to porosity.

Constructed with durability in mind, the NKK-600 features heavy-duty contact surfaces and a rugged housing designed to resist spatter and shop grime. It is an indispensable tool for pipe shops and heavy fabrication facilities. Installation is straightforward, and the device requires minimal maintenance to keep performing at peak efficiency. Upgrade your rotary welding setup with the NKK-600 and experience the difference a proper rotating ground makes to your workflow and weld integrity.

Technical Highlights

  • Capacity: 600 Amps continuous rating for demanding applications.
  • Mechanism: Smooth rotation ensures no interruption in current flow.
  • Compatibility: Easily integrates with most standard welding positioners and fixtures.
  • Durability: Built tough to survive the heat and physical demands of the welding floor.
Additional Information
Amperage:600
Brand:ESAB
Item:Rotating Coupling
Amperage Capacity:600 A
Device Type:Rotating Ground Coupling
Application:Rotary Welding, Pipe Welding, Tank Fabrication
Material:Heavy-Duty Metal Alloy
Packaging Description:pack of 1

INCLUDED

  • 1 x NKK-600 600A Rotating Coupling

APPLICATIONS

  • Pipe Welding and Fabrication
  • Pressure Vessel and Tank Manufacturing
  • Automated Welding Cells
  • Rotary Positioners and Turntables
  • Turning Rolls
  • Structural Steel Fabrication requiring rotation

FAQ

The NKK-600 is a rotating ground coupling designed to prevent welding ground cables from twisting and tangling when the workpiece is being rotated, such as on a positioner.

The NKK-600 is rated for a maximum current of 600 Amps, making it suitable for most heavy-duty industrial welding processes.

Yes, the NKK-600 provides a consistent ground path suitable for MIG, TIG, Stick, and Submerged Arc welding, provided the current does not exceed 600A.

The coupling is typically attached to the shaft or fixture of the rotating device (like a positioner). The ground cable connects to the stationary side of the coupling.

Yes, like all mechanical electrical connections, it should be kept clean from excessive spatter and debris. Periodically checking the contact surfaces and lubrication (if applicable) ensures longevity.

A standard clamp will rotate with the pipe, twisting the cable until it breaks or disconnects. A rotating ground allows the pipe to spin while the cable stays stationary.

Yes, it is a passive grounding device and can be used with any brand of welding power source (Miller, Lincoln, etc.) as long as the cable connections fit.

Exceeding the amperage rating can cause the coupling to overheat, potentially damaging the internal contacts and leading to failure or poor grounding.