Check the thermal overload relay price in Pakistan for the CNC Electric JR28S LR2-type relay. The CNC JR28S clips onto a matching contactor, senses motor current and trips if the motor draws too much for too long. It guards against stalled rotors, jammed loads, lost phases and failing windings.
Key Features
- Adjustable setting current across 0.1–630A
- Class 10A trip, IEC 60947-4-1
- Phase-loss (differential) protection and temperature compensation
- Manual reset (≤2 min) or automatic (≤8 min), selectable
- 1NO + 1NC auxiliary contacts
- Rated operating voltage 380V, insulation 660V
Technical Specifications
| Setting current (full range) | 0.1–630 A |
|---|---|
| Rated operating voltage | 380 V |
| Rated insulation voltage Ui | 660 V |
| Impulse withstand Uimp | 6 kV |
| Trip class | Class 10A |
| Reset | Manual (≤2 min) or automatic (≤8 min), selectable |
| Phase-loss protection | Yes (differential) |
| Temperature compensation | Yes |
| Auxiliary contacts | 1NO + 1NC |
| Standard | IEC 60947-4-1 |
| Ambient / altitude | ≤ +40 °C, ≤2000 m |
Available Options
- Current range: 0.1–0.16 A, 1–1.6 A, 4–6 A, 5.5–8 A, 9–13 A, 17–25 A
Where to Use
- Motor starter assemblies with contactors
- Pumps, compressors and fans
- Industrial motor control panels
How to Choose
Set the relay to the motor’s full-load current from its nameplate, and choose the range that covers that value.
Thermal Overload Relay Price in Pakistan
Pricing for this item is given on request because it depends on the exact configuration and current stock. Send our team your required rating and quantity, and we will confirm the price in Pakistani rupees and the delivery time before you order.
Frequently Asked Questions
How do I choose the range?
Select a band that includes your motor full-load current, for example 4–6A or 9–13A.
Can it detect phase loss?
Yes, with differential phase-loss protection.
Where can I find the manual?
The listing carries manual, catalogue and CE certificate PDFs; contact us for copies.
















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