| Theory: | Thermal Relay |
|---|---|
| Size: | Miniature |
| Protect Feature: | Sealed |
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 |
