Lightning Protection
รหัส: Active 2D ยี่ห้อ: Franklin France รุ่น: Active 2D
รายละเอียด:Larger Zone of Protection
| Rp (m) |
SE2D30, ∆T = 30 μs |
|||
| h(m) \ Np | 40% * | I | II | III |
| 2 | 11 | 19 | 25 | 28 |
| 4 | 23 | 38 | 51 | 57 |
| 6 | 29 | 48 | 64 | 72 |
| 8 | 29 | 49 | 65 | 73 |
| 10 | 29 | 49 | 66 | 75 |
| 20 | 29 | 50 | 71 | 81 |
| 30 | 29 | 50 | 73 | 85 |
| 60 | 29 | 50 | 75 | 90 |
| Rp (m) |
SE2D60, ∆T = 60 μs |
|||
| h(m) \ Np | 40% * | I | II | III |
| 2 | 19 | 31 | 39 | 43 |
| 4 | 38 | 63 | 78 | 85 |
| 6 | 48 | 79 | 97 | 107 |
| 8 | 48 | 79 | 98 | 108 |
| 10 | 48 | 79 | 99 | 109 |
| 20 | 48 | 80 | 102 | 113 |
| 30 | 48 | 80 | 104 | 116 |
| 60 | 48 | 80 | 105 | 120 |
(*) According to the explanation card NFC 17 102 –01 of the standard
NFC 17 102, and if the lightning constitutes a risk for the environment
(C5=10) a security coefficient of 40% is applicable in France in the
radius of protection concerning the protected sites for the environment protection (ICPE, law of the 28/01/93, JO 26/02/93 P3035) it means the silo (law of the 15/06/00 JO 19/07/00 pl 11092),
nuclear installation of base (INB, law of the 31/12/99 JO 15/02/00 p 2263)
| Catalog (TH) |  |
Catalog (ENG) | |
