International Electrotechnical Commission

Publication detail

Reference	IEC 62305-4 ed2.0 withdrawn corrigendum	no preview
Title	Versión Oficial En español - Protección contra el rayo. Parte 4: Sistemas eléctricos y electrónicos en estructuras.
Publication date	2010-12-09
Format, price (Swiss francs) and language	290.- 87 pages 290.-
Abstract	IEC 62305-4:2010(E) provides information for the design, installation, inspection, maintenance and testing of electrical and electronic system protection (LPM) to reduce the risk of permanent failures due to lightning electromagnetic impulse (LEMP) within a structure. This second edition cancels and replaces the first edition, published in 2006, and constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: 1) Isolating interfaces capable of reducing conducted surges on lines entering the structure are introduced. 2) Minimum cross-sections for bonding components are slightly modified. 3) First negative impulse current is introduced for calculation purposes as electromagnetic source of harm to the internal systems. 4) Selection of SPD with regard to voltage protection level is improved to take into account oscillation and induction phenomena in the circuit downstream of SPD. 5) Annex C dealing with SPD coordination is withdrawn and referred back to SC 37A. 6) A new informative Annex D is introduced giving information on factors to be considered in the selection of SPDs.
Technical Committee	81 - Lightning protection
ICS Codes	29.020 Electrical engineering in general *Including voltages, general electrical terminology, electrical documentation, electrical tables, safety, fire hazard testing, etc. *Electrical diagrams and charts, see 01.100.25 *Electrical power stations, see 27.100 *Electromagnetic compatibility, see 33.100 91.120.40 Lightning protection
Replaced by
Stability date	2018
Work in progress	Project Stage code Forecast publication date No project under development - -

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