The Multiquip RP42153730 Relay Assembly is a genuine OEM component designed for the DAW500SA4 diesel arc welder. As a factory-sourced replacement, this relay assembly is built to the exact electrical specifications required by Multiquip for correct switching function and circuit protection. Sourced directly through the Multiquip OEM parts network, the RP42153730 ensures a direct-fit installation with no guesswork on compatibility for DAW500SA4 units.
Key Features
- Correct Electrical Specification: — Engineered to the exact coil voltage, contact rating, and switching capacity required by the DAW500SA4, ensuring the relay operates within the machine's designed electrical parameters.
- Genuine OEM Sourcing: — Factory-authorized part produced to Multiquip's original design — not an approximation. The same relay assembly used in original DAW500SA4 production builds.
- Direct-Fit Installation: — Designed to seat and connect in the existing relay socket on the DAW500SA4 without modification to wiring harnesses or mounting brackets.
- Verified DAW500SA4 Compatibility: — Fitment confirmed for the Multiquip DAW500SA4 diesel arc welder platform, so you can order with confidence.
- Electrical System Integrity: — A functioning relay assembly ensures proper control of high-current circuits in the welder. A failed relay can cause loss of output control, failure to start, or unprotected circuit operation.
- Electrical Safety Compliance: — Using the correct OEM relay maintains the designed protection thresholds for the DAW500SA4's electrical circuits, supporting safe operation of the machine's switching and load control systems.
A relay assembly acts as an electrically controlled switch, using a low-current signal to open or close a higher-current circuit within the machine. In a diesel arc welder like the DAW500SA4, relay assemblies are critical to controlling engine start circuits, output switching, and auxiliary power functions. When a relay fails, the affected circuit may become inoperative or behave erratically, causing starting failures, loss of welding output, or unintended electrical behavior that can interrupt work and create unsafe conditions.
Part Details
| Part Number | RP42153730 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Relay Assembly |
Compatibility & Fitment
| Name | Model |
|---|---|
| Welders | DAW500SA4 |
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.