The Wacker Neuson Thermal Switch is a genuine OEM component designed for the PS22203 and PS32203 submersible pump series. As a direct factory replacement, this switch is built to the exact specifications required to protect the pump motor from heat-related damage. Genuine OEM sourcing means you get the correct trip threshold and terminal configuration for a straight swap with no guesswork. It is confirmed compatible with both the PS22203 50mm/2-inch 220V/60Hz submersible pump and the PS32203 220V/60Hz 3HP submersible pump.
Key Features
- Correct Trip Threshold: — Factory-calibrated to the precise temperature rating required by the PS2 and PS3 submersible pump motors, ensuring the switch cuts power before heat damage occurs.
- Genuine OEM Replacement: — Sourced directly from Wacker Neuson, this switch matches the original terminal layout and mounting configuration for a direct installation.
- Confirmed Fitment: — Verified for the PS22203 50mm/2-inch 220V/60Hz and PS32203 220V/60Hz 3HP submersible pump models.
- Motor Protection Restored: — A functioning thermal switch is the pump motor's primary defense against overheating; replacing a failed unit restores full automatic shutdown protection during thermal events.
- Electrical Safety Compliance: — Correct specification is critical in electrical protection components; using the genuine OEM switch ensures the circuit responds within the designed parameters, protecting both the motor and the operator.
A thermal switch monitors the internal temperature of the pump motor and automatically interrupts the electrical circuit if the motor exceeds a safe operating temperature. This automatic shutoff prevents winding damage caused by overheating — a common risk in submersible pumps running in demanding or low-flow conditions. When the thermal switch fails or degrades, the motor loses this protection and becomes vulnerable to burnout, which can result in complete motor failure and costly repairs.
Part Details
| Part Number | 5000150571 |
|---|---|
| Old Part Number | 0150571 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Thermal Switch |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 50mm/2in Submersible Pump 220V /60Hz | PS22203 | 5000009126 |
| PS3 2203 Sub. Pump, 220V/60hz, 3hp, 9.3A | PS32203 | 5000009129 |
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.
