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0442849884 - ESAB 24V DC Contactor Relay 2KM1 Replacement

Packaging: pack of 1
$759.20/EA $522.24/pack of 1 only $522.24/EASave 31%

Usually ships within 3-5 business days

OVERVIEW

Reliable Power Switching for ESAB Welders

The ESAB 0442849884 Contactor is a critical electrical component designed specifically for ESAB welding power sources. Identified by the schematic designation 2KM1, this contactor features a 24V DC coil that acts as the primary switch for engaging the welding output or auxiliary systems within the machine. When your welding equipment demands precision and reliability, using genuine OEM parts like this contactor is essential to maintain the factory performance standards.

Technical Precision and Durability

Contactors in welding machines are subjected to rigorous cycles of opening and closing, often under load. The ESAB 0442849884 is engineered to withstand the harsh industrial environments typical of welding shops. The 24V DC coil ensures a snappy, positive engagement, reducing the risk of contact chatter or arcing that can lead to premature failure. The contacts themselves are manufactured from high-grade materials to resist pitting and oxidation, ensuring low resistance and efficient power transfer during the welding process.

Importance of OEM Replacement

Substituting generic electrical components in sophisticated welding equipment can lead to compatibility issues or safety hazards. This genuine ESAB part guarantees the correct physical footprint for mounting and the precise electrical characteristics required by the machine's control circuit. Whether you are performing preventative maintenance or an emergency repair, this contactor provides the peace of mind that comes with using the exact part specified by the manufacturer.

Installation and Safety

As an internal electrical component, this contactor should be installed by a qualified technician. It is designed for seamless integration into the existing wiring harness of compatible ESAB machines. The unit typically controls high-voltage circuits, making the reliability of the 24V DC control circuit paramount for operator safety and machine longevity. Ensure your equipment runs at peak efficiency with this authentic replacement part.

Additional Information
Packaging Description:1 Per Ea, pack of 1
Voltage:24V DC
Part Type:Contactor
Coil Voltage:24V DC
Schematic Designation:2KM1
----- new values below ----
Part Type:Contactor
Coil Voltage:24V DC
Schematic Designation:2KM1
Brand:ESAB
Voltage:24V DC
Packaging Description:1 Per Ea

INCLUDED

  • 1 x ESAB 0442849884 Contactor (24V DC Coil)
  • Installation Instructions (if applicable)

APPLICATIONS

  • Repair of ESAB welding power sources
  • Replacement of worn or fused contactors
  • Electrical maintenance of industrial welding equipment
  • Restoring proper arc initiation and termination control

FAQ

The coil voltage for this contactor is 24V DC.

Yes, this is a genuine ESAB OEM replacement part, internal SKU ESB0442849884.

2KM1 is the schematic reference designator used in ESAB service manuals to identify this specific contactor within the machine's electrical circuit.

Common signs include the machine not welding despite the fan running, the wire remaining electrically 'hot' constantly, or visible pitting/burning on the contact points.

No, this is specific to ESAB machines requiring part number 0442849884 with a 24V DC coil. Always check your parts manual.

Because this involves internal high-voltage wiring, installation by a qualified electrical technician is strongly recommended for safety.

If the coil voltage does not match the machine's control circuit (e.g., using a 110V coil on a 24V circuit), the contactor will not engage or could be damaged.

Typically, the contactor is sold as the unit itself. You usually reuse the existing mounting screws from the machine.