The Wacker Neuson Isolator Transformer is a genuine OEM component designed for SFU 10/250, SFU 10/200, SFU 10/250/200, and SFU 10/200 S series frequency converters. Sourced directly from Wacker Neuson, this part meets the exact electrical specifications required to keep your converter operating safely and within design parameters. Confirmed fitment spans multiple SFU converter configurations, making the a dependable service part for fleets running more than one unit variant. Verify your machine number against the fitment list before ordering to ensure a correct match.
Key Features
- Genuine OEM Electrical Specification — Manufactured to the precise voltage isolation and impedance ratings required by Wacker Neuson SFU converter circuitry, not a generic approximation.
- Drop-In Service Replacement — Matches the original mounting footprint and terminal configuration of the factory-installed unit, connecting directly into the existing converter housing without modification.
- Broad SFU Series Coverage — Fits SFU 10/250, SFU 10/200, SFU 10/250/200, and SFU 10/200 S converter models, covering a wide range of Wacker Neuson frequency converter configurations.
- Restores Safe Electrical Isolation — A functioning isolator transformer separates input and output circuits to protect connected equipment and operators; a degraded unit can compromise that protection and cause erratic converter output.
- Electrical Safety Critical Component — Isolation transformers are a key safeguard in frequency converter systems, preventing ground faults from passing through to downstream equipment or personnel. Always replace a failed unit with a correct-specification part.
An isolator transformer in a frequency converter serves two core functions: it electrically separates the input power supply from the output circuit, and it conditions voltage levels to protect both the converter's internal electronics and any tools or equipment connected downstream. In SFU series converters, this component is essential for maintaining a stable, isolated output at the correct frequency and voltage. When the isolator transformer degrades or fails, the converter may produce unstable output, trigger fault shutdowns, or lose its protective isolation — putting connected equipment and operators at risk.
Part Details
| Part Number | 5000037620 |
|---|---|
| Old Part Number | 0037620 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Isolator Transformer |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Converter SFU 10/250 | SFU 10/250 | 5000004754 |
| Converter SFU 10/200 | SFU 10/200 | 5000004755 |
| Converter SFU 10/250/200 | SFU 10/250/200 | 5000004756 |
| Converter SFU 10/200/S | SFU 10/200 S | 5000005600, 5000007254, 5000007971 |
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.
