Wacker Neuson 5000158802 Phase Switch 63 Amp

The Wacker Neuson Phase Switch 63 Amp is a genuine OEM electrical switching component designed for the G25 series portable generator line, including mobile, skid-mounted, cold weather, and extended run tank configurations. Sourced directly through Wacker Neuson's authorized parts network, this switch matches the original unit installed at the factory, ensuring correct electrical characteristics and a drop-in installation. The G25 generator family covers a wide range of deployment configurations, and the is the designated phase switch across all of them.

Key Features

• Correct Switching Capacity: — Rated at 63 amps to match the G25 generator's output circuit demands — no under-rated substitutes that could compromise electrical performance.
• Genuine OEM Component: — Manufactured to Wacker Neuson specification, ensuring the correct contact configuration, terminal layout, and rated switching characteristics for the G25 electrical system.
• Broad G25 Family Coverage: — Fits G25 mobile, skid-mounted, cold weather, extended run tank, and URI CW T4F configurations, making this the single correct replacement across the full G25 lineup.
• Direct Installation: — Connects into the existing wiring harness and mounting position without adaptation, keeping the swap straightforward for any qualified service technician.
• Electrical Safety Assurance: — A phase switch operating outside its rated capacity or with degraded contacts is a genuine electrical hazard; replacing with the correct 63-amp OEM unit restores safe, rated operation.

The phase switch on a generator controls which electrical phase or output configuration is active, allowing the operator or technician to select the correct power output for the connected load. On the G25, this switch is a critical part of the power distribution circuit — a worn or faulty phase switch can cause intermittent output, incorrect voltage delivery, or complete loss of usable power to the load. Replacing a failed switch with the correct 63-amp-rated unit restores full, predictable generator output and protects both the machine's internal wiring and any connected equipment.

Part Details

Compatibility & Fitment

Verify Before You Order

Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.

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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.