The Wacker Neuson Motor Protection Switch is a genuine OEM component designed for the PST3-750, PSTF3-750, PS2-800, and PSA2-800 series submersible pumps. As a direct OEM replacement, this switch is manufactured to the exact electrical specifications required by Wacker Neuson, ensuring correct trip thresholds and a drop-in installation with no guesswork. Confirmed fitment spans multiple pump configurations across the PST3-750, PS2-800, and PSA2-800 lines, making the right choice when you need a dependable, like-for-like swap. Keep a genuine part on hand and get your pump back in service fast.
Key Features
- OEM-Calibrated Trip Protection — Manufactured to Wacker Neuson's exact current rating and trip curve specifications for submersible pump motors, not a generic approximation.
- Direct Drop-In Replacement — Matches the original mounting footprint and terminal configuration, so this switch installs straight into your existing pump housing without adaptation.
- Broad Submersible Pump Fitment — Covers PST3-750, PSTF3-750, PS2-800, and PSA2-800 series pumps across multiple model configurations, consolidating your parts sourcing.
- Motor Overload Defense — Correctly rated protection means the switch trips at the right threshold — safeguarding the pump motor from damaging overload conditions before they become costly failures.
- Electrical Safety Compliance — As a genuine OEM electrical protection component, this switch meets the original design intent for overcurrent interruption, keeping the pump's electrical circuit operating within safe limits.
A motor protection switch monitors the current drawn by a pump's electric motor and automatically interrupts the circuit if it detects an overload or fault condition. This protects the motor windings from heat damage caused by excessive current draw — a common result of blockages, dry running, or voltage irregularities. When this switch fails or trips permanently and cannot be reset, the pump will not run; replacing it with the correct OEM part restores proper protection and normal pump operation.
Part Details
| Part Number | 5200012385 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Motor Protection Switch |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| PST3 750 Sub. Pump, 220V/60hz, 1hp, 33' Cord, 4.7A | PST3750 | 5000620337, 5000620454, 5000620455 |
| PSTF3 750 Sub. Pump, 220V/60hz, 1hp, 33' Cord, 4.7A | PSTF3750 | 5000620338 |
| PS2-800 | PS2800 | 5000620438, 5000620439, 5000620452 |
| PSA2-800 | PSA2800 | 5000620449, 5000620450 |
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.
Wacker Neuson
Wacker Neuson Switch-Motor Protection 230V-50Hz | 5200023633
