The Wacker Neuson is a genuine OEM Circuit Breaker 16A with Switch designed for the GP3800 and GP5600 series portable generators. As a direct factory replacement, this part matches the original component specification and installs into the generator's electrical panel without modification. It covers an extensive range of GP3800 and GP5600 configurations, including standard, premium, wheel kit, EPA, CSA, and value variants. Keep a verified OEM part on hand to protect your generator's electrical system and maintain uninterrupted output on the jobsite.
Key Features
- Genuine OEM Overcurrent Protection: — Sourced directly from Wacker Neuson, this circuit breaker is rated to the exact 16A trip threshold required for correct overload protection in GP3800 and GP5600 generators.
- Integrated On/Off Switch: — The built-in switch allows operators to manually control circuit output, combining breaker and switch functions in a single factory-spec unit.
- Broad GP-Series Compatibility: — Fits a wide range of GP3800 and GP5600 configurations — standard, premium, wheel kit, EPA, CSA, and GV3800 value models — making it a versatile stock replacement.
- Electrical System Integrity: — A correctly functioning circuit breaker safeguards connected equipment and generator windings from overcurrent events; a failed or tripped breaker that won't reset leaves the machine unable to deliver power.
- Safety-Critical Electrical Component: — This breaker is the primary overcurrent protection device on the generator's output circuit. Using a genuine OEM-rated replacement ensures the trip threshold is accurate and the unit performs as designed under load.
A circuit breaker is the generator's first line of defense against electrical overload. When the current draw on a circuit exceeds the rated limit — in this case 16 amps — the breaker trips and interrupts the circuit before wiring or connected equipment can be damaged. The integrated switch on this unit also lets operators enable or isolate individual output circuits as needed during operation. When a breaker fails to reset or no longer holds under normal load, it must be replaced promptly to restore safe, usable power output from the generator.
Part Details
| Part Number | 5000164428 |
|---|---|
| Old Part Number | 0164428 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Circuit Breaker 16A with Switch |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Premium Portable Generator | GP5600A | 5000620094, 5000620095, 5000620381, 5000620382 |
| Portable Generator | GP3800A | 5000620104, 5000620379, 5000620485, 5000620342, 5000620484, 5000620103 |
| GP3800A Generator, EPA w/Wheel Kit | GP3800 | 5000620976, 5000620974, 5000620975, 5100031174 |
| Value Portable Generator | GV3800 | 5000620994 |
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.
