Multiquip 0601840028 Rheostat Current Regulator

The Multiquip 0601840028 Rheostat Current Regulator is a genuine OEM component designed for GAW180HE and DLW300ES/DLW400ES series welder-generators. As a direct OEM replacement, this regulator is built to the same specification as the original unit, ensuring consistent output control across the full amperage range of your machine. Verified fitment covers GAW180HE, GAW180HE1, GAW180HEA, DLW300ES, DLW300ESA, DLW300ESA1, DLW400ES, DLW400ESA, and DLW400ESA1 models.

Key Features

• Genuine OEM Electrical Specification — Manufactured to the original resistance and output tolerance required for precise current adjustment on Multiquip welder-generators.
• Drop-In Replacement — Matches the original mounting configuration and terminal connections, allowing a straightforward swap with no modification to wiring or housing.
• Broad Welder Series Fitment — Compatible with GAW180HE, GAW180HE1, GAW180HEA, DLW300ES, DLW300ESA, DLW300ESA1, DLW400ES, DLW400ESA, and DLW400ESA1 models.
• Stable Arc and Weld Quality — A correctly functioning rheostat delivers smooth, consistent amperage adjustment, keeping the welding arc stable across varying load conditions.
• Electrical Safety Compliance — Using the correct OEM-rated rheostat ensures the current control circuit operates within the designed electrical parameters, protecting operator safety and machine integrity.

The rheostat current regulator controls the output amperage of the welder-generator by varying electrical resistance in the excitation or control circuit. By adjusting resistance, the operator can dial in the correct welding current for the application and electrode type being used. When the rheostat wears out or fails, the result is typically erratic arc behavior, inability to hold a set amperage, or a complete loss of welding output — making prompt replacement essential for productive, safe operation.

Part Details

Compatibility & Fitment

Verify Before You Order

Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.

Why Buy From DHS Equipment

Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.

Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.