0191309112 - ESAB LKH 350 Heavy-Duty Electrode Holder 350A

ESAB LKH 350: Industrial Grade Electrode Holder

The ESAB LKH 350 (Part Number: 0191309112) is a premium jaw-type electrode holder engineered for manual metal arc welding. Designed to meet the rigorous demands of heavy fabrication, shipyards, and construction sites, this holder offers a 350 Amp rating at a 60% duty cycle. It serves as a direct replacement for standard holders found on many ESAB power sources, including the LAE series rectifiers, but is universally compatible with any standard welding cable setup.

One of the defining features of the LKH 350 is its secure clamping mechanism. The heavy-duty spring-loaded jaw provides exceptional gripping power, preventing the electrode from twisting or slipping during manipulation. The jaws are capable of holding electrodes up to 1/4 inch (6.4mm) in diameter, making it versatile enough for light repair work and heavy structural welding alike. The multi-position jaw design allows the welder to orient the rod at various angles (45°, 90°, etc.) to access difficult joints with ease.

Technical Specifications & Performance

Heat management is a common challenge with high-amperage stick welding. The LKH 350 addresses this with optimized internal geometry and high-quality conductive materials. By reducing electrical resistance at the cable connection and the jaw contact points, the holder generates less internal heat. This not only prolongs the life of the consumable parts but also keeps the handle temperature lower, allowing for longer welding intervals without operator discomfort. The cable connection is achieved via a robust mechanical screw/lug system, ensuring a tight electrical bond that resists loosening over time.

Maintenance and Compatibility

Maintenance of the LKH 350 is straightforward. The insulators and lever are replaceable, allowing users to extend the service life of the tool rather than discarding it when outer components wear. The unit is lightweight relative to its amperage class, weighing approximately 600g, which helps in maintaining precision during out-of-position welding. For professionals seeking a no-nonsense, high-performance stinger, the ESAB LKH 350 delivers the quality and consistency required for code-quality welds.