The Multiquip 0601820901 DC 12V Relay (JP) is a genuine OEM relay designed for the DLW330X2 and DLW400ESA4 diesel light welder/generator units. As a direct OEM replacement, this relay meets the original electrical specifications Multiquip built into these machines, ensuring the control circuit operates exactly as intended. Sourced directly through authorized Multiquip supply channels, the 0601820901 is the correct part to specify when servicing or restoring relay function on compatible DLW-series equipment.
Key Features
- Genuine OEM Electrical Specification — Matched to the original 12V DC switching characteristics required by DLW-series welder/generator control circuits, so there is no guesswork on voltage rating or coil resistance.
- Direct Drop-In Replacement — Engineered to the same connector footprint and mounting configuration as the original relay, allowing straightforward installation without circuit modification.
- Confirmed DLW-Series Fitment — Verified for the DLW330X2 and DLW400ESA4 diesel light welder/generators; always cross-reference your model and serial plate before ordering.
- Protects Critical Switching Functions — A properly functioning relay ensures clean, reliable switching of high-current circuits from low-current control signals, preventing arcing, voltage drop, and uncontrolled circuit behavior.
- Electrical Safety Assurance — Using the correct OEM-rated relay in a welder/generator is essential; an undersized or mismatched relay can create heat buildup and unsafe operating conditions in the electrical system.
A DC relay acts as an electrically controlled switch inside the welder/generator's control system — a low-voltage signal energizes the relay's coil, which then opens or closes a higher-current circuit elsewhere in the machine. In DLW-series units, relays like the 0601820901 are typically responsible for controlling key start circuits, output engagement, or protective shutoff functions. When a relay fails, the circuit it controls will either stay open (preventing the machine from starting or engaging) or stay closed (preventing proper shutoff), making prompt replacement critical to safe and consistent operation.
For fitment questions or to confirm this part is correct for your specific DLW-series unit, contact the DHS Equipment team directly.
Part Details
| Part Number | 0601820901 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | DC 12V Relay (JP) |
Compatibility & Fitment
| Name | Model |
|---|---|
| Welders | DLW330X2 |
| Welders | DLW400ESA4 |
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.
