The Wacker Neuson Circuit Breaker 25A With Switch is a genuine OEM electrical protection component designed for GP6600A and GPS6600A series portable generators. As a direct OEM replacement, this part is produced to the same specifications as the component originally installed at the factory, ensuring correct amperage rating, switching action, and panel fitment. Compatible across GP6600A and GPS6600A generator configurations including GFI, CSA, and wheel kit variants, this breaker fits a wide range of units in the GP and GPS 6600 family. Sourcing the correct OEM breaker is critical — an incorrectly rated or non-spec breaker can compromise circuit protection and generator output reliability.
Key Features
- Correct 25A Trip Rating — Matched to the generator's designed load capacity, ensuring the breaker opens at the precise threshold needed to protect downstream circuits and connected equipment.
- Integrated Switch Function — Combines overcurrent protection and manual switching in a single unit, allowing operators to isolate circuits without additional components.
- Genuine OEM Part — Sourced directly through Wacker Neuson, this breaker meets the original electrical specification for the GP6600A and GPS6600A generator series.
- Broad GP/GPS 6600 Family Coverage — Fits GP6600A and GPS6600A units across GFI, CSA, and wheel kit configurations, making it the correct replacement for a wide production range.
- Direct Panel Replacement — Designed to mount into the existing breaker panel position without modification, restoring full circuit protection quickly during service.
- Electrical Safety Compliance — Using a correctly rated OEM breaker ensures the generator's overload protection performs as engineered, safeguarding both the machine and any equipment or personnel on the circuit.
A circuit breaker is the generator's primary electrical defense against overload and short-circuit conditions. When current draw exceeds the breaker's rated amperage, the breaker trips and interrupts the circuit before wiring or connected equipment can be damaged. The integrated switch on the 5000164427 also allows manual circuit isolation during setup or shutdown. A faulty or incorrectly rated breaker — one that trips too early, fails to trip, or cannot be reset — can render output circuits unusable or, more critically, leave the generator's wiring unprotected under fault conditions.
Part Details
| Part Number | 5000164427 |
|---|---|
| Old Part Number | 0164427 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Circuit Breaker 25A With Switch |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| GP6600A GENERATOR,CAN GFI | GP6600A | 5000620100, 5000620101 |
| GPS6600A GENERATOR,CAN GFI | GPS6600A | 5000620102 |
| GPS6600A Generator, CSA | GPS6600 | 5000620988 |
| GP6600A Generator, CSA w/Wheel Kit | GP6600 | 5000620990, 5000620986 |
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.