NOARK · UL Thermal Overload Relay, 0.1–500A
Product overview
Original NOARK Ex9R UL-listed thermal overload relays for coordinated motor-starter assemblies. Select the exact relay frame and adjustable current-setting range.
Technical selection summary
| Manufacturer / series | Original NOARK Ex9R |
|---|---|
| Approval | UL Listed, file E353865; IEC/EN 60947-4-1; manufacturer CSA certification |
| Current setting | Exact adjustable min–max ranges from the catalogue; availability depends on relay frame |
| Trip class | Class 10 (B) |
| Functions | Motor overload protection; phase-loss sensitivity; selectable manual/automatic reset; STOP / TEST |
| Contactor compatibility | Ex9CS / Ex9C |
| Installation | Direct contactor mounting or separately ordered mounting base, as specified |
Select the range for the actual motor nameplate full-load current and the compatible contactor frame. Thermal overload relays do not provide short-circuit protection. Mounting bases and the contactor are separate products.
Typical applications
- Motor overload and phase-loss-sensitive protection in coordinated starter assemblies.
- Replacement or OEM overload assemblies matched to the motor full-load current and exact compatible contactor.
Specify your enquiry
For a focused quotation, include:
- Selected model, poles, current and all applicable configuration options.
- Actual system voltage, frequency, protection duty and required accessories.
- Quantity, installation conditions, destination and required product documentation.
Download NOARK Ex9R catalogue (PDF)













