LR7K0305 LR7K0306 LR7K0307 LR7K0308 LR7K0310 LR7K0312 LR7K0314 LR7K0316 LR7K0321 LR7K0322 LR7K 1 Phase Thermal Overload Relay
LR2K is for three phase or balanced loads.
LR7K is for single phase or unbalanced loads.
| Class 10 A (the standard specifies a tripping time of between 2 and 10 seconds at 7.2 In) | ||||
| Setting rage | Fuses to be used with selected relay Maximum rating Type | Reference | ||
| aM | gG | BS88 | ||
| A | A | A | A | |
| 0.54…0.8 | 1 | 2 | — | LR7K0305 |
| 0.8…1.2 | 2 | 4 | 6 | LR7K0306 |
| 1.2…1.8 | 2 | 6 | 6 | LR7K0307 |
| 1.8…2.6 | 4 | 8 | 10 | LR7K0308 |
| 2.6…3.7 | 4 | 10 | 16 | LR7K0310 |
| 3.7…5.5 | 6 | 16 | 16 | LR7K0312 |
| 5.5…8 | 8 | 20 | 20 | LR7K0314 |
| 8…11.5 | 10 | 25 | 20 | LR7K0316 |
| 10…14 | 16 | 32 | 25 | LR7K0321 |
| 12…16 | 20 | 40 | 32 | LR7K0322 |
