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0558000759 - ESAB 3-Pole Contactor 40A 24V Coil Replacement

Packaging: pack of 1
$239.69/EA $143.60/pack of 1 only $143.60/EASave 40%

Usually ships within 3-5 business days

OVERVIEW

Restore Your Welder's Performance

Is your welding machine failing to power up or acting inconsistently when you pull the trigger? The issue might be a faulty contactor. The ESAB 0558000759 Contactor is a premium replacement part designed to get your equipment back in working order. Featuring a 3-Pole design and a 40 Amp rating, this heavy-duty switch is built to handle the rigorous demands of professional welding environments.

A contactor acts like a high-capacity relay. When your welder's control board sends a signal, the 24V AC coil inside this unit activates, pulling the contacts closed to allow main power to flow to the welding components. Because it handles high voltage and amperage, the contactor takes a beating over time. Signs of failure include a loud buzzing noise, a machine that won't turn off, or a machine that powers on but won't weld. Swapping out a defective unit with this genuine ESAB part is often the fix needed to solve these electrical gremlins.

Key Benefits:

  • Exact Fit: Designed specifically for compatible ESAB machines, ensuring mounting holes and wire terminals align perfectly.
  • Safety: Reliable switching prevents dangerous electrical faults and ensures the machine de-energizes correctly when not in use.
  • Longevity: High-quality contact materials resist pitting and burning, extending the service life of the repair.

Don't let a small electrical component stop your production. Keep your shop running smoothly with this essential repair part. Please verify your machine's manual or existing part number to ensure compatibility with the 24V AC coil and 40A rating before ordering.

Additional Information
Amperage:40
Voltage:24 VAC
Brand:ESAB
Component Type:Contactor
Number Of Poles:3
Coil Voltage:24V AC
Amperage Rating:40 A
Packaging Description:pack of 1

INCLUDED

  • 1 x Contactor 3P 40A 24VAC

APPLICATIONS

  • Replacement of worn or defective contactors in ESAB welding power sources.
  • Switching of three-phase power circuits in industrial machinery.
  • Repair of welding machines exhibiting power delivery issues or stuck contacts.
  • Maintenance of electrical control panels requiring 24VAC coil activation.

FAQ

The coil voltage is 24V AC. Please ensure your machine's control circuit matches this voltage.

This is a 3-Pole contactor, designed to switch three separate power lines simultaneously.

It is rated for 40 Amps.

Yes, this is a genuine ESAB replacement part, SKU 0558000759.

Generally, you can use a higher amperage contactor (40A) to replace a lower one (30A) if the physical dimensions and coil voltage (24VAC) are the same.

Common signs include a loud buzzing or humming noise, the machine not powering output when triggered, or the machine staying on even when the switch is off (stuck contacts).

The product is sold as the main contactor unit. Please check the specific datasheet or your existing part to see if auxiliary blocks are integrated or separate.

Installation involves working with high-voltage internal machine components. It is highly recommended that a qualified technician or electrician perform the replacement for safety.