The Multiquip 7961808903 Reactor is a genuine OEM component designed for the BLW-400SSW welder. Sourced directly from Multiquip, this reactor is built to the exact specification required to maintain stable arc performance and consistent electrical output in demanding jobsite conditions. If you are servicing or rebuilding a BLW-400SSW unit, verifying part number 7961808903 ensures you are installing the correct reactor for that platform.
Key Features
- Genuine OEM Electrical Spec: — Built to the exact inductance and current-handling specification of the original, preserving arc stability and output consistency.
- Direct-Fit Replacement: — Engineered to install in the same position and configuration as the original reactor, with matching mounting and connection points.
- BLW-400SSW Compatibility: — Confirmed fitment for the Multiquip BLW-400SSW welder series — verify your model before ordering.
- Arc Smoothing Performance: — A properly functioning reactor reduces current fluctuation during welding, supporting cleaner welds and more controlled arc behavior.
- Electrical Safety Integrity: — Using the correct OEM reactor maintains proper inductance balance within the welding circuit, reducing the risk of component stress or electrical instability.
A reactor in a welder serves as an inductor within the welding circuit, smoothing out the electrical current delivered to the arc. By regulating the rate of current rise and fall, it stabilizes the arc and helps produce consistent, controlled welds. When a reactor degrades or fails, the arc becomes erratic and difficult to control, weld quality drops, and other electrical components in the machine may be exposed to harmful current spikes.
Part Details
| Part Number | 7961808903 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Reactor |
Compatibility & Fitment
| Name | Model |
|---|---|
| Welders | BLW-400SSW |
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.
