The Wacker Neuson Breaker MG 400 Amp is a genuine OEM component designed for the G130 and G150 generator series. Sourced directly from Wacker Neuson, this part carries the same specifications as the original component installed at the factory, ensuring correct fit and function right out of the box. This genuine OEM Breaker MG 400 Amp is confirmed to fit multiple G130 and G150 configurations, making it a straightforward replacement for a wide range of machines within these series.
Key Features
- Rated at 400 Amps — Matches the exact amperage rating of the original breaker, maintaining correct overcurrent protection thresholds for your generator.
- Genuine OEM Part — Supplied by Wacker Neuson, this breaker meets the original electrical specifications, including trip characteristics and contact ratings specific to the MG breaker design.
- Direct Replacement for G130 and G150 Series — Confirmed fitment across multiple G130 and G150 generator configurations; installs into the existing breaker position with no modification to the panel or wiring.
- Protects Generator Wiring and Electrical Systems — A properly functioning breaker trips under fault or overload conditions, preventing damage to downstream wiring, output components, and connected equipment.
- Electrical Safety Compliance — Using a correctly rated OEM breaker ensures the generator's overcurrent protection operates within its intended parameters, an important consideration for job site electrical safety.
- Verified Part Number 5100071574 — Cross-reference this number against your machine's parts diagram before ordering to confirm application accuracy.
A circuit breaker in a generator acts as the primary overcurrent protection device between the generator's alternator output and the load terminals. When current exceeds the breaker's rated threshold — due to an overload or a fault condition — the breaker trips and interrupts the circuit, protecting the generator's internal windings, wiring harnesses, and any connected equipment from heat damage or electrical failure. A worn, tripped-and-damaged, or undersized breaker that fails to trip correctly can result in serious damage to the generator or create an unsafe condition for operators and equipment on site.
Part Details
| Part Number | 5100071574 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Breaker MG 400 Amp |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| G130 | G130 | 5100045087, 5100045559, 5100045560, 5100045564, 5100045565, 5100045566, 5100049838, 5100049839 |
| G150 | G150 | 5100045088, 5100045570, 5100045571, 5100049841, 5100049842, 5100049843 |
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.
