LR9F5357 LR9F5363 LR9F5367 LR9F5369 LR9F5371 LR9F7375 LR9F7379 LR9F7381 Class 10 LR9F Electronic Thermal Overload Relay
Application
LR9F thermal overload relays are designed for use with contactors LC1F115 to LC1F630. In addition to the protection provided by modeled thermal overload relays LR9F, they offer the following special features:
– Protection against phase imbalance
– Choice of starting class
– Protection of unbalanced circuits
– Protection of single-phase circuits
Class 10 Electronic Thermal Overload Relays for AC loads (1)
Direct Connection to Contactors or Independent Mounting
| 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 |
