The Multiquip 7961808803 Current Transformer is a genuine OEM component designed for the BLW-400SSW welder. Sourced directly from Multiquip, this part meets the exact electrical specifications required by the original machine — ensuring accurate current sensing and safe, stable welder operation. Confirmed fitment for the BLW-400SSW makes this the straightforward replacement choice when your original transformer has failed or degraded.
Key Features
- Exact Electrical Specification: — Genuine OEM construction ensures the transformer delivers the correct current ratio and output signal required by the BLW-400SSW control system.
- Direct-Fit Replacement: — Engineered to match the original mounting configuration and wiring connections for a clean, straightforward swap.
- Confirmed Fitment: — Verified for use on the Multiquip BLW-400SSW welder series.
- Stable Welding Output: — A functioning current transformer keeps amperage readings accurate, supporting consistent arc performance and preventing erratic weld behavior.
- Electrical Safety Compliance: — As a core component in the welder's current monitoring circuit, using a genuine OEM part helps maintain proper overcurrent protection and safe machine operation.
A current transformer monitors and measures the flow of electrical current within the welder, converting high-level current signals into lower-level readings that the machine's control circuitry can process and regulate. This allows the welder to maintain consistent output amperage and respond correctly to load changes during operation. When a current transformer fails or reads inaccurately, the result is typically unstable arc output, erratic amperage, or a complete loss of welding function — making prompt replacement critical to getting the machine back to safe, productive use.
Part Details
| Part Number | 7961808803 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Current Transformer |
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.