NewTrend / OEM · Electronic overload relay
Product overview
The LR9F table compares relay setting ranges, direct-contactor mounting references and voltage-specific motor-power guidance.
Technical selection summary
| Listing / reference model | LR9F53 / LR9F73 |
|---|---|
| Product type | Electronic overload relay |
Use the row for the exact relay and contactor combination. The DOL and star-delta power entries have different circuit conditions and must not be interchanged. Confirm trip class, reset behaviour and wiring from the supplied unit; retain the reference comparison and images below. Confirm the exact current-setting range, trip class, reset mode, phase-failure function and coordinated contactor. Direct/separate mounting, auxiliary contact duty and accessory compatibility depend on the complete code.
Specify your enquiry
For a focused quotation, include:
- Complete model, configuration and quantity
- Operating voltage, current and application duty
- Coil / protection selection, mounting and wiring requirements
- Nameplate photograph and required technical documents
Product reference images and drawings
Use the matching model and version in the reference data. Confirm the applicable rating, test conditions and dimensions against the exact supplied unit.
| Type | Model Number | Current Setting Range (A) | For direct connect to LC1F | DOL kW (415V) | Star Delta kW (415V) |
| LR9F53 | LR9F5357 | 30 – 50 | F115 to F185 | 22 | 33 – 45 |
| LR9F5363 | 48 – 80 | F115 to F185 | 45 | 51 – 75 | |
| LR9F5367 | 60 – 100 | F115 to F185 | 55 | 59 – 90 | |
| LR9F5369 | 90 – 150 | F115 to F185 | 75 | 90 – 140 | |
| LR9F5371 | 132 – 220 | F225 to F400 | 110 | 129 – 200 | |
| LR9F73 | LR9F7375 | 200 – 330 | F225 to F500 | 185 | 220 – 335 |
| LR9F7379 | 300 – 500 | F330 to F500 | 295 | 315 – 500 | |
| LR9F7381 | 380 – 630 | F400 to F800 | 375 | 425 – 670 |
