IEC 62305-4
IEC 62305-4:2024
Protection against lightning - Part 4: Electrical and electronic systems within structures
IEC 62305-4:2024 provides requirements for the design, installation, inspection, maintenance, and testing of surge protection measures (SPM) for electrical and electronic systems to reduce the risk of permanent failures due to lightning electromagnetic impulse (LEMP) within a structure.
This third edition cancels and replaces the second edition published in 2010. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a) addition of new informative Annex E and Annex F on the determination of current sharing using modelling and current sharing in PV installations respectively;
b) addition of a new informative Annex G on methods of testing of system level behaviour;
c) addition of a new informative Annex H on induced voltages in SPD-protected installations.
This third edition cancels and replaces the second edition published in 2010. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a) addition of new informative Annex E and Annex F on the determination of current sharing using modelling and current sharing in PV installations respectively;
b) addition of a new informative Annex G on methods of testing of system level behaviour;
c) addition of a new informative Annex H on induced voltages in SPD-protected installations.
CHF 410.-
Technical committee
TC 81 Lightning protectionCategory
Safety| Publication type | International Standard |
| Publication date | 2024-09-12 |
| Edition | 3.0 |
| ICS | 29.020 91.120.40 |
| Stability date | 2029 |
| ISBN number | 9782832279335 |
| Pages | 270 |
| File size | 22.32 MB |
