IEC 60721-3-9:1993
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
Classification of environmental conditions - Part 3: Classification of groups of environmental parameters and their severities - Section 9: Microclimates inside products
Hardcopy , PDF
20-07-1993
11-04-2024
FOREWORD
Clause
1. Scope
2. Normative references
3. Definitions
4. General
5. Classification of microclimatic conditions
6. Types and marking of microclimatic classes
Annex A
Defines classes of microclimatic conditions, to which components (basic parts, assemblies, built-in units) may be subjected inside products, and which are used under the climatic conditions classified in IEC 60721-3-3 and IEC 60721-3-4.
| DevelopmentNote |
Also numbered as BS EN 60721-3.9. (12/2005) Stability Date: 2021. (10/2017)
|
| DocumentType |
Standard
|
| Pages |
25
|
| PublisherName |
International Electrotechnical Committee
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| JIS C 0120:2000 | Identical |
| DIN EN 60721-3-9:1995-01 | Identical |
| NF EN 60721 3-9 : 93 AMD 1 95 | Identical |
| NEN 10721-3-9 : 1994 AMD 1 1995 | Identical |
| I.S. EN 60721-3-9:1994 | Identical |
| PN EN 60721-3-9 : 1996 | Identical |
| SAC GB/T 4798.9 : 1997 | Identical |
| CEI EN 60721-3-9 : 1997 | Identical |
| EN 60721-3-9:1993/A1:1995 | Identical |
| DS EN 60721-3-9 : 1996 | Identical |
| JIS C 60721-3-9:2000 | Identical |
| UNE-EN 60721-3-9:1996 | Identical |
| 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 |
| IEC 61643-352:2018 | Components for low-voltage surge protection - Part 352: Selection and application principles for telecommunications and signalling network surge isolation transformers (SITs) |
| 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 |
| IEC TR 63040:2016 | Guidance on clearances and creepage distances in particular for distances equal to or less than 2 mm - Test results of research on influencing parameters |
| 14/30297601 DC : 0 | BS EN 61643-351 - COMPONENTS FOR LOW-VOLTAGE SURGE PROTECTIVE DEVICES - PART 351: PERFORMANCE REQUIREMENTS AND TEST CIRCUITS FOR LIGHTNING ISOLATION TRANSFORMERS (LIT) |
| NF 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 |
| 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. EN IEC 61643-352:2018 | COMPONENTS FOR LOW-VOLTAGE SURGE PROTECTION - PART 352: SELECTI AND APPLICATION PRINCIPLES FOR TELECOMMUNICATIONS AND SIGNALLIN NETWORK SURGE ISOLATION TRANSFORMERS (SITS) |
| PD IEC TR 63040:2016 | Guidance on clearances and creepage distances in particular for distances equal to or less than 2 mm. Test results of research on influencing parameters |
| IEC 61643-351:2016 | Components for low-voltage surge protective devices - Part 351: Performance requirements and test methods for telecommunications and signalling network surge isolation transformers (SIT) |
| 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 |
| I.S. 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) |
| IEC 60044-1:1996+AMD1:2000+AMD2:2002 CSV | Instrument transformers - Part 1: Current transformers |
| IEC 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 61643-341:2001 | Components for low-voltage surge protective devices - Part 341: Specification for thyristor surge suppressors (TSS) |
| BS EN 61643-341:2001 | Low voltage surge protective devices Specification for thyristor surge suppressors (TSS) |
| CEI 23-98 : 2007 | GUIDANCE FOR THE CORRECT USE OF RESIDUAL CURRENT-OPERATED DEVICES (RCDS) FOR HOUSEHOLD AND SIMILAR USE |
| BS EN IEC 61643-352:2018 | Components for low-voltage surge protection Selection and application principles for telecommunications and signalling network surge isolation transformers (SITs) |
| EN IEC 61643-352:2018 | Components for low-voltage surge protection - Part 352: Selection and application principles for telecommunications and signalling network surge isolation transformers (SITs) |
| 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) |
| IEC 61643-341:2001 | Components for low-voltage surge protective devices - Part 341: Specification for thyristor surge suppressors (TSS) |
| 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 |
| IEC 60721-1:1990+AMD1:1992+AMD2:1995 CSV | Classification of environmental conditions - Part 1: Environmental parameters and their severities |
| 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 |
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