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DETAILS OF TECHNICAL STANDARDS

IEC 62305-3

Protection against lightning.
Part 3: Physical damage to structures and life hazard

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International Standard

 

Contents
(courtesy IEC)

IEC 62305-3 provides the requirements for protection of a structure against physical damage by means of a lightning protection system (LPS), and for protection against injury to living beings due to touch and step voltages in the vicinity of an LPS (see IEC 62305-1).
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) Minimum thicknesses of metal sheets or metal pipes given in Table 3 for air-termination systems are assumed as not able to prevent hot-spot problems.
  • 2) Steel with electro-deposited copper is introduced as material suitable for LPS.
  • 3) Some cross-sectional areas of LPS conductors were slightly modified.
  • 4) For bonding purposes, isolating spark gaps are used for metal installations and SPD for internal systems.
  • 5) Two methods - simplified and detailed - are provided for evaluation of separation distance.
  • 6) Protection measures against injuries of living beings due to electric shock are considered also inside the structure.
  • 7) Improved information for LPS in the case of structures with a risk of explosion are given in Annex D (normative).

 



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The main Standards
related to IEC 62305-3


 

Corresponding European standards
EN 62305-3Protection against lightning.
Part 3. Physical damage to structures and life hazard
 
Corresponding International standards
No data available
 
Organizations and Institutions
IECInternational Electrotecnical Commission
[International Standard]
 
Other related IEC Standards
IEC 1024-1 Protection of structures against lightning.
Part 1: General principles
IEC 62305-1 Protection against lightning.
Part 1: General Principles
IEC 62305-2 Protection against lightning.
Part 2: Risk management
IEC 62305-3 Protection against lightning.
Part 3: Physical damage to structures and life hazard
IEC 62305-4 Protection against lightning.
Part 4: Electrical and electronic systems within structures
 
Thematic collection
Lightning

 


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The main Scame products
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BLUELINE "SALVAFULMINE" Series
Protection against over voltages



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