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EN 60721-3-9:1993/A1:1995

Current
Current

The latest, up-to-date edition.

CLASSIFICATION OF ENVIRONMENTAL CONDITIONS - PART 3: CLASSIFICATION OF GROUPS OF ENVIRONMENTAL PARAMETERS AND THEIR SEVERITIES - SECTION 9: MICROCLIMATES INSIDE PRODUCTS
Amendment of

EN 60721-3-9:1993

Published date

03-23-1995

Publisher

European Committee for Standards - Electrical

FOREWORD
1 Scope
2 Normative references
3 Definitions
4 General
5 Classification of microclimatic conditions
6 Types and marking of microclimatic classes
Annex A (informative) Graphical presentation and preferred
                      microclimatic classes
Annex ZA (normative) Other International Publications quoted in
                      this standard with the references of the
                      relevant European Publications

The contents of the corrigendum of January 2005 have been included in this copy.

Committee
SR 104
DevelopmentNote
BS AMD 8954 implements Amd 1 (05/2001)
DocumentType
Standard
PublisherName
European Committee for Standards - Electrical
Status
Current

I.S. EN 60664-5:2007 INSULATION COORDINATION FOR EQUIPMENT WITHIN LOW-VOLTAGE SYSTEMS - PART 5: COMPREHENSIVE METHOD FOR DETERMINING CLEARANCES AND CREEPAGE DISTANCES EQUAL TO OR LESS THAN 2 MM
BS EN 60664-5:2003 Insulation coordination for equipment within low-voltage systems A comprehensive method for determining clearances and creepage distances equal to or less than 2 mm
HD 637 S1:1999/corrigendum:2005 POWER INSTALLATIONS EXCEEDING 1 KV A.C.
BS EN 60044-1:1999 Instrument transformers Current transformers
CEI EN 61643-341 : 2002 COMPONENTS FOR LOW-VOLTAGE SURGE PROTECTIVE DEVICES - PART 341: SPECIFICATION FOR THYRISTOR SURGE SUPPRESSOR (TSS)
EN 61643-351:2017 Components for low-voltage surge protective devices - Part 351: Performance requirements and test methods for telecommunications and signalling network surge isolation transformers (SIT)
I.S. HD 637:1999 POWER INSTALLATIONS EXCEEDING 1 KV A.C.
CEI EN 60664-5 : 2008 INSULATION COORDINATION FOR EQUIPMENT WITHIN LOW-VOLTAGE SYSTEMS - PART 5: COMPREHENSIVE METHOD FOR DETERMINING CLEARANCES AND CREEPAGE DISTANCES EQUAL TO OR LESS THAN 2 MM
EN 61643-341:2001 Components for low-voltage surge protective devices - Part 341: Specification for thyristor surge suppressors (TSS)
BS EN 60044-2:1999 Instrument transformers Inductive voltage transformers
BS EN 61643-341:2001 Low voltage surge protective devices Specification for thyristor surge suppressors (TSS)
BS EN 60044-7:2000 Instrument transformers Electronic voltage transformers
BS EN 61643-351:2017 Components for low-voltage surge protective devices Performance requirements and test methods for telecommunications and signalling network surge isolation transformers (SIT)
EN 60044-1:1999/A2:2003 INSTRUMENT TRANSFORMERS - PART 1: CURRENT TRANSFORMERS
EN 60664-5:2007 Insulation coordination for equipment within low-voltage systems - Part 5: Comprehensive method for determining clearances and creepage distances equal to or less than 2 mm
EN 60044-2:1999/A2:2003 INSTRUMENT TRANSFORMERS - PART 2: INDUCTIVE VOLTAGE TRANSFORMERS

IEC 60721-1:1990+AMD1:1992+AMD2:1995 CSV Classification of environmental conditions - Part 1: Environmental parameters and their severities
EN 60721-3-0:1993 Classification of environmental conditions - Part 3: Classification of groups of environmental parameters and their severities - Introduction
HD 478.2.1 : 200S1 CLASSIFICATION OF ENVIRONMENTAL CONDITIONS - ENVIRONMENTAL CONDITIONS APPEARING IN NATURE - TEMPERATURE AND HUMIDITY
IEC 60721-2-1:2013 Classification of environmental conditions - Part 2-1: Environmental conditions appearing in nature - Temperature and humidity
IEC 60721-3-0:1984+AMD1:1987 CSV Classification of environmental conditions - Part 3: Classification of groups of environmental parameters and their severities - Introduction
IEC 60721-3-3:1994+AMD1:1995+AMD2:1996 CSV Classification of environmental conditions - Part 3-3: Classification of groups of environmental parameters and their severities - Stationary use at weatherprotected locations
EN 60721-3-4:1995/A1:1997 CLASSIFICATION OF ENVIRONMENTAL CONDITIONS - PART 3: CLASSIFICATION OF GROUPS OF ENVIRONMENTAL PARAMETERS AND THEIR SEVERITIES - SECTION 4: STATIONARY USE AT NON-WEATHER-PROTECTED LOCATIONS
HD 478.1 : 200S2 CLASSIFICATION OF ENVIRONMENTAL CONDITIONS - ENVIRONMENTAL PARAMETERS AND THEIR SEVERITIES
EN 60721-3-3 : 95 AMD 2 97 CLASSIFICATION OF ENVIRONMENTAL CONDITIONS - CLASSIFICATION OF GROUPS OF ENVIRONMENTAL PARAMETERS AND THEIR SEVERITIES - STATIONARY USE AT WEATHER-PROTECTED LOCATIONS

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