BSI PD IEC/TS 60721-4-3:2023:2024 Edition
$102.76
Classification of environmental conditions – Guidance for the correlation and transformation of environmental condition classes of IEC 60721-3-3 to the environmental tests of IEC 60068. Stationary use at weather protected locations
| Published By | Publication Date | Number of Pages |
| BSI | 2024 | 22 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 2 | undefined |
| 4 | CONTENTS |
| 5 | FOREWORD |
| 7 | INTRODUCTION |
| 8 | 1 Scope 2 Normative references 3 Terms and definitions |
| 9 | 4 General 4.1 General remarks concerning IEC 60721-3-3 4.2 General remarks concerning the IEC 60068-2 series 4.3 Recommended test procedures and severities 4.4 Environmental tests for in-use classes |
| 10 | 4.5 Test durations 4.6 Ambient 5 Climate conditions, classes 3K20 to 3K24 from IEC 60721-3-3 5.1 Class 3K20 (fully air-conditioned enclosed locations) 5.2 Class 3K21 (continuously temperature-controlled enclosed locations) Tables Table 1 – Class 3K21 (continuously temperature-controlled enclosed locations) |
| 12 | 5.3 Class 3K22 (temperature-controlled enclosed locations) Table 2 – Class 3K22 (temperature-controlled enclosed locations) |
| 14 | 5.4 Class 3K23 (enclosed locations having no temperature or humidity control) Table 3 – Class 3K23 (enclosed locations having no temperature or humidity control) |
| 16 | 5.5 Class 3K24 (enclosed locations having neither temperature nor humidity control) Table 4 – Class 3K24 (enclosed locations having neither temperature nor humidity control) |
| 18 | 6 Special climate conditions, classes 3Z12 to 3Z14 from IEC 60721-3-3 7 Biological conditions, classes 3B1 to 3B3 from IEC 60721-3-3 Table 5 – Class 3Z12 to 3Z14 Table 6 – Class 3B1 to 3B3 |
| 19 | 8 Mechanical conditions, classes 3M10 to 3M12 from IEC 60721-3-3 Table 7 – Class 3M10 to 3M12 |
| 20 | Annex A (informative)Interdependence of air temperature, relative air humidity, and absolute air humidity Figure A.1 – Climatogram of interdependence of air temperature,relative air humidity, and absolute air humidity |
| 21 | Bibliography |
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