The Wacker Neuson is a genuine OEM Thermal Switch designed for the PS2-3703, PS3-3703, and PS4-3703 series submersible pumps. Sourced directly from Wacker Neuson, this part carries the same specifications as the component installed at the factory, ensuring a correct, drop-in fit with no guesswork. The is compatible across a wide range of PS-series voltage configurations, including 400V/50Hz and 440V/60Hz variants, making it a versatile stock item for service fleets running multiple pump models.
Key Features
- Genuine OEM Thermal Protection: — Manufactured to Wacker Neuson's original switching thresholds, so the motor cuts out at the correct temperature — not too early, not too late.
- Direct-Fit Replacement: — Matches the original connector, mounting position, and trip rating of the factory-installed switch for a straightforward swap during pump service.
- Broad PS-Series Compatibility: — Verified fitment across PS2-3703, PS3-3703, and PS4-3703 submersible pump models in both 50Hz and 60Hz electrical configurations.
- Motor Overheating Protection: — A correctly functioning thermal switch is the pump motor's last line of defense against heat-related failure; a faulty one puts the entire motor at risk.
- Electrical Safety Compliance: — As a motor-protection device, using an OEM-spec switch ensures the pump's thermal cutout meets the original design intent for safe operation in demanding dewatering environments.
A thermal switch monitors the operating temperature of a submersible pump motor and automatically cuts electrical power if the motor overheats — protecting the windings from heat damage that would otherwise cause permanent motor failure. In submersible pump applications, overheating can occur when the pump runs dry, handles unusually high flow resistance, or operates in conditions that restrict heat dissipation. When the thermal switch fails or trips without resetting correctly, the pump may shut down unexpectedly, refuse to restart, or — if the switch has failed open — run unprotected and sustain costly motor damage.
Part Details
| Part Number | 5000150575 |
|---|---|
| Old Part Number | 0150575 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Thermal Switch |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| PS2-3703 | PS23703 | 5000008827, 5000008826, 5000009133, 5000008825, 5000008828, 5000008829, 5000008830, 5000009194 |
| PS3-3703 | PS33703 | 5000008833, 5000008832, 5000009136, 5000008831, 5000008834, 5000008835, 5000008836, 5000009196 |
| PS4-3703 | PS43703 | 5000008839, 5000008838, 5000009139, 5000008837, 5000008840, 5000008841, 5000008842, 5000009198 |
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.
