IEC 60721-2-4 : 1.1

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FOREWORD
1 Scope
2 Object
3 General
4 Solar radiation physics
5 Levels of global radiation
   5.1 Maximum levels
   5.2 Mean monthly and annual global solar radiation
   5.3 Simultaneous values of maximum air temperatures
        and solar radiation
   5.4 World distribution of daily global irradiation
6 Minimum levels of atmospheric radiation at night
Annex A World distribution of daily global irradiation
Figures
Tables

Abstract - (Show below) - (Hide below)

Gives a broad division into types of solar radiation areas. It is intended to be used as part of the background material when selecting appropriate severities of solar radiation for product applications. All types of geographical areas are covered, except areas with altitudes above 5000 m.

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Published
Document Type	Standard
Status	Current
Publisher	International Electrotechnical Committee
Pages
ISBN
Committee	TC 104
Superseded By	IEC 60721-2-4:2018 IEC 60721-2-4 : 2ED 2018 REDLINE

International Equivalents – Equivalent Standard(s) & Relationship - (Show below) - (Hide below)

Equivalent Standard(s)	Relationship
PN HD 478.2.4 : 2011	Identical
DS IEC 60721-2-4 : 1988 + A1 1990	Identical
HD 478.2.4 : 200S1	Identical
CEI 75-6 : 1997	Identical
PN 90/E-04555.24 : 1990	Identical
BIS IS 13736-2-4 : 1993(R2015)	Identical
NEN 10721-2-4 : 1989	Identical
NFC 20 000 : 90 AMD 1 93	Identical
DIN IEC 60721-2-4 : 1990	Identical
DIN IEC 60721-2-4 : 1990	Identical
PN HD 478.2.4 : 2011	Identical
DS IEC 60721-2-4 : 1988 + A1 1990	Identical
CEI 75-6 : 1997	Identical
PN 90/E-04555.24 : 1990	Identical
BIS IS 13736-2-4 : 1993(R2015)	Identical
NEN 10721-2-4 : 1989	Identical
NFC 20 000 : 90 AMD 1 93	Identical

Standards Referenced By This Book - (Show below) - (Hide below)

BS PD IEC TR 60721-4-4 : 2002	CLASSIFICATION OF ENVIRONMENTAL CONDITIONS - PART 4-4: GUIDANCE FOR THE CORRELATION AND TRANSFORMATION OF ENVIRONMENTAL CONDITION CLASSES OF IEC 60721-3 TO THE ENVIRONMENTAL TESTS OF IEC 60068 - STATIONARY USE AT NON-WEATHERPROTECTED LOCATIONS
BS EN 60945 : 2002	MARITIME NAVIGATION AND RADIOCOMMUNICATION EQUIPMENT AND SYSTEMS - GENERAL REQUIREMENTS - METHODS OF TESTING AND REQUIRED TEST RESULTS
CEI EN 60044-8 : 2004	INSTRUMENT TRANSFORMERS - PART 8: ELECTRONIC CURRENT TRASFORMERS
IEEE C37.24 : 2003	EVALUATING THE EFFECT OF SOLAR RADIATION ON OUTDOOR METAL-ENCLOSED SWITCHGEAR
BS PD IEC TR 60721-4-0 : 2002	CLASSIFICATION OF ENVIRONMENTAL CONDITIONS - PART 4-0: GUIDANCE FOR THE CORRELATION AND TRANSFORMATION OF THE ENVIRONMENTAL CONDITION CLASSES OF IEC 60721-3 TO THE ENVIRONMENTAL TESTS OF IEC 60068 - INTRODUCTION
BS EN 60044-1 : 1999	INSTRUMENT TRANSFORMERS - PART 1: CURRENT TRANSFORMERS
IEC 60721-3-2:2018 RLV	CLASSIFICATION OF ENVIRONMENTAL CONDITIONS - PART 3-2: CLASSIFICATION OF GROUPS OF ENVIRONMENTAL PARAMETERS AND THEIR SEVERITIES - TRANSPORTATION AND HANDLING
BS PD IEC TR 60721-4-5 : 2002	CLASSIFICATION OF ENVIRONMENTAL CONDITIONS - PART 4-5: GUIDANCE FOR THE CORRELATION AND TRANSFORMATION OF ENVIRONMENTAL CONDITION CLASSES OF IEC 60721-3 TO THE ENVIRONMENTAL TESTS OF IEC 60068 - GROUND VEHICLE INSTALLATIONS
BS PD IEC TR 60721-4-7 : 2001	CLASSIFICATION OF ENVIRONMENTAL CONDITIONS - PART 4-7: GUIDANCE FOR THE CORRELATION AND TRANSFORMATION OF ENVIRONMENTAL CONDITION CLASSES OF IEC 60721-3 TO THE ENVIRONMENTAL TESTS OF IEC 60068 - PORTABLE AND NON-STATIONARY USE
I.S. EN 50532:2010	COMPACT EQUIPMENT ASSEMBLY FOR DISTRIBUTION SUBSTATIONS (CEADS)
IEC 60721-3-1 REDLINE : 3ED 2018	CLASSIFICATION OF ENVIRONMENTAL CONDITIONS - PART 3-1: CLASSIFICATION OF GROUPS OF ENVIRONMENTAL PARAMETERS AND THEIR SEVERITIES - STORAGE
BS PD IEC TR 60721-4-6 : 2002
01/200684 DC : DRAFT FEB 2001
14/30298027 DC : 0	BS EN 61069-4 ED 2.0 - INDUSTRIAL-PROCESS MEASUREMENT AND CONTROL - EVALUATION OF SYSTEM PROPERTIES FOR THE PURPOSE OF SYSTEM ASSESSMENT - PART 4: ASSESSMENT OF SYSTEM PERFORMANCE
BS EN 62194 : 2005	METHOD OF EVALUATING THE THERMAL PERFORMANCE OF ENCLOSURES
08/30191891 DC : DRAFT OCT 2008	BS EN 61936-1 - POWER INSTALLATIONS EXCEEDING 1 KV A.C. - PART 1: COMMON RULES
04/30111859 DC : 0	IEC 62271-1 - HIGH-VOLTAGE SWITCHGEAR AND CONTROL GEAR - PART 1: COMMON SPECIFICATIONS
NF ETS 300019 1-1 : 1995	EQUIPMENT ENGINEERING (EE) - ENVIRONMENTAL CONDITIONS AND ENVIRONMENTAL TESTS FOR TELECOMMUNICATION EQUIPMENT - PART 1-1: CLASSIFICATION OF ENVIRONMENTAL CONDITIONS - STORAGE
IEC TR 60721-4-5 : 1.1	CLASSIFICATION OF ENVIRONMENTAL CONDITIONS - PART 4-5: GUIDANCE FOR THE CORRELATION AND TRANSFORMATION OF ENVIRONMENTAL CONDITION CLASSES OF IEC 60721-3 TO THE ENVIRONMENTAL TESTS OF IEC 60068 - GROUND VEHICLE INSTALLATIONS
CEI EN 60945 : 2003	MARITIME NAVIGATION AND RADIOCOMMUNICATION EQUIPMENT AND SYSTEMS - GENERAL REQUIREMENTS - METHODS OF TESTING AND REQUIRED TEST RESULTS
I.S. EN 60044-8:2002	INSTRUMENT TRANSFORMERS - PART 8: ELECTRONIC CURRENT TRANSFORMERS
BS EN 60044-8 : 2002	INSTRUMENT TRANSFORMERS - PART 8: ELECTRONIC CURRENT TRANSFORMERS
EN IEC 62933-2-1 : 2018	ELECTRICAL ENERGY STORAGE (EES) SYSTEMS - PART 2-1: UNIT PARAMETERS AND TESTING METHODS - GENERAL SPECIFICATION (IEC 62933-2-1:2017)
I.S. EN 60694:1999	COMMON SPECIFICATIONS FOR HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR STANDARDS
NF EN 300019 2-0 : 2003	ENVIRONMENTAL ENGINEERING (EE) - ENVIRONMENTAL CONDITIONS AND ENVIRONMENTAL TESTS FOR TELECOMMUNICATION EQUIPMENT - PART 2-0: SPECIFICATION OF ENVIRONMENTAL TESTS - INTRODUCTION
I.S. EN 62194:2005	METHOD OF EVALUATING THE THERMAL PERFORMANCE OF ENCLOSURES
EN IEC 60721-3-1 : 2018	CLASSIFICATION OF ENVIRONMENTAL CONDITIONS - PART 3-1: CLASSIFICATION OF GROUPS OF ENVIRONMENTAL PARAMETERS AND THEIR SEVERITIES - STORAGE (IEC 60721-3-1:2018)
BS EN 62271-1 : 2017	HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 1: COMMON SPECIFICATIONS FOR ALTERNATING CURRENT SWITCHGEAR AND CONTROLGEAR (IEC 62271-1:2017)
I.S. EN IEC 62933-2-1:2018	ELECTRICAL ENERGY STORAGE (EES) SYSTEMS - PART 2-1: UNIT PARAMETERS AND TESTING METHODS - GENERAL SPECIFICATION
CSA C22.3 No. 61936-1 : 2008	POWER INSTALLATIONS EXCEEDING 1 KV A.C. - PART 1: COMMON RULES
CSA C22.3 No. 61936-1 : 2008 : R2015	POWER INSTALLATIONS EXCEEDING 1 KV A.C. - PART 1: COMMON RULES
CSA C22.3 No. 61936-1 : 2008	POWER INSTALLATIONS EXCEEDING 1 KV A.C. - PART 1: COMMON RULES
I.S. EN 62271-202:2014	HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 202: HIGH-VOLTAGE/LOW-VOLTAGE PREFABRICATED SUBSTATION
EN 62271-1 : 2017	HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 1: COMMON SPECIFICATIONS FOR ALTERNATING CURRENT SWITCHGEAR AND CONTROLGEAR (IEC 62271-1:2017)
I.S. EN 62271-212:2017	HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 212: COMPACT EQUIPMENT ASSEMBLY FOR DISTRIBUTION SUBSTATION (CEADS)
I.S. EN IEC 60721-3-2:2018	CLASSIFICATION OF ENVIRONMENTAL CONDITIONS - PART 3-2: CLASSIFICATION OF GROUPS OF ENVIRONMENTAL PARAMETERS AND THEIR SEVERITIES - TRANSPORTATION AND HANDLING
EN IEC 60721-3-2 : 2018	CLASSIFICATION OF ENVIRONMENTAL CONDITIONS - PART 3-2: CLASSIFICATION OF GROUPS OF ENVIRONMENTAL PARAMETERS AND THEIR SEVERITIES - TRANSPORTATION AND HANDLING (IEC 60721-3-2:2018)
IEC 60721-3-2 : 2.0	CLASSIFICATION OF ENVIRONMENTAL CONDITIONS - PART 3-2: CLASSIFICATION OF GROUPS OF ENVIRONMENTAL PARAMETERS AND THEIR SEVERITIES - TRANSPORTATION AND HANDLING
I.S. EN 60945:2002	MARITIME NAVIGATION AND RADIOCOMMUNICATION EQUIPMENT AND SYSTEMS - GENERAL REQUIREMENTS - METHODS OF TESTING AND REQUIRED TEST RESULTS
I.S. EN IEC 60721-3-1:2018	CLASSIFICATION OF ENVIRONMENTAL CONDITIONS - PART 3-1: CLASSIFICATION OF GROUPS OF ENVIRONMENTAL PARAMETERS AND THEIR SEVERITIES - STORAGE
IEC TR 60721-4-4 : 1.1	CLASSIFICATION OF ENVIRONMENTAL CONDITIONS - PART 4-4: GUIDANCE FOR THE CORRELATION AND TRANSFORMATION OF ENVIRONMENTAL CONDITION CLASSES OF IEC 60721-3 TO THE ENVIRONMENTAL TESTS OF IEC 60068 - STATIONARY USE AT NON-WEATHERPROTECTED LOCATIONS
IEC TR 60721-4-6 : 1.1	CLASSIFICATION OF ENVIRONMENTAL CONDITIONS - PART 4-6: GUIDANCE FOR THE CORRELATION AND TRANSFORMATION OF ENVIRONMENTAL CONDITION CLASSES OF IEC 60721-3 TO THE ENVIRONMENTAL TESTS OF IEC 60068 - SHIP ENVIRONMENT
CEI EN 62194 : 2006	METHOD OF EVALUATING THE THERMAL PERFORMANCE OF ENCLOSURES
NF ETS 300019 2-0 : 1995	TELECOMMUNICATIONS - INGENIERIE DES EQUIPEMENTS (EE) - CONDITIONS ET ESSAIS D'ENVIRONNEMENT DES EQUIPEMENTS DE TELECOMMUNICATIONS - PARTIE 2-0: SPECIFICATIONS DES ESSAIS D'ENVIRONNEMENT - INTRODUCTION
IEC TR 60721-4-7 : 1.1	CLASSIFICATION OF ENVIRONMENTAL CONDITIONS - PART 4-7: GUIDANCE FOR THE CORRELATION AND TRANSFORMATION OF ENVIRONMENTAL CONDITION CLASSES OF IEC 60721-3 TO THE ENVIRONMENTAL TESTS OF IEC 60068 - PORTABLE AND NON-STATIONARY USE
I.S. EN 61936-1:2010	POWER INSTALLATIONS EXCEEDING 1 KV A.C. - PART 1: COMMON RULES
I.S. EN 62271-1:2017	HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 1: COMMON SPECIFICATIONS FOR ALTERNATING CURRENT SWITCHGEAR AND CONTROLGEAR
IEC GUIDE 111 : 2.0	ELECTRICAL HIGH-VOLTAGE EQUIPMENT IN HIGH-VOLTAGE SUBSTATIONS - COMMON RECOMMENDATIONS FOR PRODUCT STANDARDS
IEC TS 61936-2 : 1ED 2015	POWER INSTALLATIONS EXCEEDING 1 KV A.C. AND 1,5 KV D.C. - PART 2: D.C.
IEC TR 60721-4-0 : 1.0	CLASSIFICATION OF ENVIRONMENTAL CONDITIONS - PART 4-0: GUIDANCE FOR THE CORRELATION AND TRANSFORMATION OF THE ENVIRONMENTAL CONDITION CLASSES OF IEC 60721-3 TO THE ENVIRONMENTAL TESTS OF IEC 60068 - INTRODUCTION
IEC 62933-2-1 : 1ED 2017	ELECTRICAL ENERGY STORAGE (EES) SYSTEMS - PART 2-1: UNIT PARAMETERS AND TESTING METHODS - GENERAL SPECIFICATION
IEC 62271-1 : 2.0	HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 1: COMMON SPECIFICATIONS FOR ALTERNATING CURRENT SWITCHGEAR AND CONTROLGEAR
IEC 61936-1 : 2.1	POWER INSTALLATIONS EXCEEDING 1 KV A.C. - PART 1: COMMON RULES
IEC 60721-3-1 : 2.0	CLASSIFICATION OF ENVIRONMENTAL CONDITIONS - PART 3-1: CLASSIFICATION OF GROUPS OF ENVIRONMENTAL PARAMETERS AND THEIR SEVERITIES - STORAGE

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