Maximum discharge current Imax
The maximum discharge current Imax is defined according to the estimated exposure level relative to the building’s location.
The value of the maximum discharge current (Imax) is determined by a risk analysis (see table in Figure 1).
Fig. 1 – Recommended maximum discharge current Imax according to the exposure level
| Exposure level | |||
| Low | Medium | High | |
| Building environment | Building located in an urban or suburban area of grouped housing | Building located in a plain | Building where there is a specific risk: pylon, tree, mountainous region, wet area or pond, etc. |
| Recommended Imax value (kÂ) | 20 | 40 | 65 |
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