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  • BS EN 62305-3:2011

    Current The latest, up-to-date edition.

    Protection against lightning Physical damage to structures and life hazard

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  30-06-2011

    Publisher:  British Standards Institution

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    IEC 62305-3:2010 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).
    This bilingual version (2012-06) corresponds to the monolingual English version, published in 2010-12.

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    Committee GEL/81
    Development Note Together with BS EN 62305-1, BS EN 62305-2 and BS EN 62305-4, supersedes BS 6651(1999). Supersedes 03/305097 DC. (10/2006) Supersedes 07/30174641 DC. (06/2011)
    Document Type Standard
    Publisher British Standards Institution
    Status Current
    Supersedes

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    Standards Referencing This Book - (Show below) - (Hide below)

    EN 50164-2:2008 Lightning Protection Components (LPC) - Part 2: Requirements for conductors and earth electrodes
    IEC 60728-11:2016 Cable networks for television signals, sound signals and interactive services - Part 11: Safety
    EN 60079-10-1:2015 Explosive atmospheres - Part 10-1: Classification of areas - Explosive gas atmospheres
    EN 62305-4:2011/AC:2016 PROTECTION AGAINST LIGHTNING - PART 4: ELECTRICAL AND ELECTRONIC SYSTEMS WITHIN STRUCTURES (IEC 62305-4:2010)
    NFPA 780 : 2017 INSTALLATION OF LIGHTNING PROTECTION SYSTEMS
    EN 61557-4:2007 Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 4: Resistance of earth connection and equipotential bonding
    EN 50164-7:2008 Lightning Protection Components (LPC) - Part 7: Requirements for earthing enhancing compounds
    IEC 61400-24:2010 Wind turbines - Part 24: Lightning protection
    EN 50164-6:2009 Lightning Protection Components (LPC) - Part 6: Requirements for lightning strike counters
    EN 60079-10-2:2015 Explosive atmospheres - Part 10-2: Classification of areas - Explosive dust atmospheres
    IEC 60079-10-1:2015 Explosive atmospheres - Part 10-1: Classification of areas - Explosive gas atmospheres
    IEC TR 61000-5-2:1997 Electromagnetic compatibility (EMC) - Part 5: Installation and mitigation guidelines - Section 2: Earthing and cabling
    IEC 61643-21:2000+AMD1:2008+AMD2:2012 CSV Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods
    IEC 62561-1:2017 Lightning protection system components (LPSC) - Part 1: Requirements for connection components
    EN 50164-5:2009 Lightning Protection Components (LPC) - Part 5: Requirements for earth electrode inspection housings and earth electrode seals
    IEC 60050-426:2008 International Electrotechnical Vocabulary (IEV) - Part 426: Equipment for explosive atmospheres
    IEC 62561-3:2017 Lightning protection system components (LPSC) - Part 3: Requirements for isolating spark gaps (ISG)
    EN 62305-4:2011/AC:2016-11 Protection against lightning - Part 4: Electrical and electronic systems within structures
    IEC 62305-1:2010 Protection against lightning - Part 1: General principles
    IEC 61643-1:2005 Low-voltage surge protective devices - Part 1: Surge protective devices connected to low-voltage power distribution systems - Requirements and tests
    EN 62561-3:2017 Lightning Protection System Components (LPSC) - Part 3: Requirements for isolating spark gaps (ISG)
    EN 50164-3 : 2006 AMD 1 2009 LIGHTNING PROTECTION COMPONENTS (LPC) - PART 3: REQUIREMENTS FOR ISOLATING SPARK GAPS
    EN 61643-21:2001/A2:2013 LOW VOLTAGE SURGE PROTECTIVE DEVICES - PART 21: SURGE PROTECTIVE DEVICES CONNECTED TO TELECOMMUNICATIONS AND SIGNALLING NETWORKS - PERFORMANCE REQUIREMENTS AND TESTING METHODS (IEC 61643-21:2000/A2:2012)
    EN 62305-2:2012 Protection against lightning - Part 2: Risk management
    IEC 60079-14:2013 Explosive atmospheres - Part 14: Electrical installations design, selection and erection
    ISO 3864-1:2011 Graphical symbols Safety colours and safety signs Part 1: Design principles for safety signs and safety markings
    EN 50164-1:2008 Lightning Protection Components (LPC) - Part 1: Requirements for connection components
    EN 60079-14:2014/AC:2016 EXPLOSIVE ATMOSPHERES - PART 14: ELECTRICAL INSTALLATIONS DESIGN, SELECTION AND ERECTION (IEC 60079-14:2013/COR1:2016)
    EN 62561-1:2017 Lightning Protection System Components (LPSC) - Part 1: Requirements for connection components
    IEC 60050-826:2004 International Electrotechnical Vocabulary (IEV) - Part 826: Electrical installations
    IEC 62305-4:2010 Protection against lightning - Part 4: Electrical and electronic systems within structures
    IEC 61557-4:2007 Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 4: Resistance of earth connection and equipotential bonding
    IEC 62305-2:2010 Protection against lightning - Part 2: Risk management
    EN 50164-4:2008 Lightning Protection Components (LPC) - Part 4: Requirements for conductor fasteners
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