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33415 - ESAB Knife Disconnect Insulator Replacement

Packaging: pack of 1
$54.99/EA $38.47/pack of 1 only $38.47/EASave 30%

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OVERVIEW

Genuine ESAB 33415 Insulator for Knife Disconnect Switches

The ESAB 33415 Insulator Knife Disconnect is a critical replacement component designed to maintain the electrical integrity and safety of your industrial welding equipment. In heavy-duty welding environments, the main power disconnect switch serves as the primary line of defense for equipment isolation and operator safety. The insulator within this assembly plays a vital role in separating conductive elements, preventing short circuits, and ensuring that the knife blade mechanism operates smoothly without unintended arcing.

Manufactured to ESAB's exacting Original Equipment Manufacturer (OEM) specifications, this insulator is engineered from high-grade, dielectric composite materials. These materials are selected for their superior resistance to thermal stress, mechanical impact, and electrical tracking. Over time, components in high-voltage disconnects can degrade due to heat cycles and environmental contaminants. Replacing a compromised insulator with the ESAB 33415 ensures that your power source remains compliant with safety regulations and operates at peak efficiency.

Using non-OEM or makeshift solutions for electrical disconnects can lead to catastrophic equipment failure or safety hazards. The ESAB 33415 guarantees precise dimensional fit, ensuring that the knife blade aligns correctly every time the switch is thrown. This reduces wear on the contacts and prolongs the overall lifespan of the disconnect assembly. Whether you are performing routine preventative maintenance or repairing a breakdown, this part provides the reliability expected from a world leader in welding technology.

Facilities managers and maintenance technicians rely on genuine ESAB parts to minimize downtime and avoid costly repairs. By stocking and utilizing the correct insulator, you protect your investment in high-performance welding power sources. This component is compatible with specific ESAB machine models utilizing knife-style disconnects; please verify your equipment's parts manual to ensure compatibility.

Key Technical Benefits

  • Electrical Safety: Provides a robust barrier against high-voltage arcing and phase-to-phase shorts.
  • Thermal Stability: Withstands the internal heat generated by high-amperage welding operations.
  • OEM Precision: Designed for exact alignment, ensuring the mechanical action of the switch remains smooth and reliable.
Additional Information
Packaging Description:1 Per Ea, pack of 1
Part Type:Disconnect Switch Component, Insulator
Application:Electrical Isolation, Welding Power Source Repair
Material:High-Dielectric Composite
----- new values below ----
Part Type:Insulator, Disconnect Switch Component
Application:Electrical Isolation, Welding Power Source Repair
Material:High-Dielectric Composite

INCLUDED

  • 1 x ESAB 33415 Insulator Knife Disconnect

APPLICATIONS

  • Repairing main power disconnect switches on ESAB welding power sources
  • Replacing cracked or carbon-tracked switch insulators
  • Routine maintenance of industrial welding equipment electrical systems
  • Restoring safety compliance to older welding machines

FAQ

It electrically isolates the knife blade in the main disconnect switch from the mounting frame and other phases, ensuring safe power switching.

Signs of failure include visible cracks, carbon tracking (black soot marks), arcing sounds when switching, or a loose/wobbly switch handle.

Yes, the ESAB 33415 is a genuine OEM replacement part manufactured by ESAB.

No, it is designed specifically for ESAB equipment that utilizes this specific knife disconnect assembly. Check your parts manual for compatibility.

It is made from a high-dielectric, heat-resistant composite material designed to withstand industrial electrical environments.

Typically, this SKU includes the insulator itself. You may need to reuse existing mounting screws or order them separately if damaged.

OEM parts guarantee the correct dielectric strength and physical dimensions, which are critical for preventing electrical hazards.

It can help if the difficulty is caused by a broken insulator binding the mechanism, but you should also check the mechanical linkage and lubrication.