The Multiquip EM712 Thermal Protector is a genuine OEM component designed for ST4, ST41230, ST41460, ST6, ST61230, and ST61460 submersible pump models. This factory-sourced replacement ensures your pump motor is protected against overheating conditions that can cause costly damage or failure. As a genuine OEM part, the EM712 is manufactured to the same specifications as the original, delivering a direct fit with no guesswork on compatibility. Keep your submersible pump running safely and reliably by replacing worn or failed thermal protection with the correct Multiquip component.
Key Features
- Genuine OEM Temperature Protection — Manufactured to exact thermal trip thresholds for Multiquip submersible pump motors, ensuring the motor cuts out at the correct temperature rather than running into damaging heat ranges.
- Direct-Fit Replacement — Designed to install directly into ST4 and ST6 series pumps, including ST41230, ST41460, ST61230, and ST61460 variants, with the same connector and housing profile as the original.
- ST4 and ST6 Series Compatibility — Confirmed fitment across the ST4 and ST6 submersible pump families, covering both 230V and 460V motor configurations.
- Motor Overload Defense — A functioning thermal protector automatically interrupts power when motor temperature exceeds safe limits, preventing winding burnout and extending motor service life. A failed protector leaves your motor fully exposed to thermal damage.
- Electrical Safety Compliance — Correct thermal protection is critical in submersible pump applications where motor overheating poses a risk of insulation failure and electrical hazard in wet environments.
A thermal protector is a safety device embedded in or mounted on the pump motor that continuously monitors operating temperature. When the motor overheats — due to a blocked impeller, dry running, sustained overload, or excessive ambient heat — the thermal protector automatically breaks the electrical circuit, shutting the motor down before damage can occur. Once the motor cools to a safe temperature, the protector resets and allows normal operation to resume. Without a properly functioning thermal protector, a submersible pump motor is vulnerable to winding failure, which typically results in complete motor burnout and full unit replacement.
For fitment questions or to confirm this part is right for your pump model, contact the DHS Equipment team directly.
Part Details
| Part Number | EM712 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Thermal Protector |
Compatibility & Fitment
| Name | Model |
|---|---|
| Submersible Pumps | ST4 |
| Submersible Pumps | ST41230/ST41460 |
| Submersible Pumps | ST6 |
| Submersible Pumps | ST61230/ST61460 |
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.
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