IEC 60665:1980

FOREWORD
PREFACE
Clause
1. Scope
2. Definitions
3. Frequency
4. Enclosures
5. Impellers
6. Bearings
7. Radio interference suppression
8. Speed regulators
9. Interchangeability
10. Silent operation
11. Marking
12. Tests
13. Tolerances on ratings
APPENDIX A - Contents of IEC Publication 342, Safety
             Requirements for Electric Fans and
             Regulators
APPENDIX B - Additional information to be supplied
             by the manufacturer
APPENDIX C - Test for air performance of partition
             type ventilating (Type A) fans
APPENDIX D - Test for air performance of free inlet
             ventilating (Type B) fans
APPENDIX E - Test for air performance of free outlet
             ventilating (Type C) fans
APPENDIX F - Test for air performance of free inlet
             ventilating (Type B) and free outlet
             ventilating (Type C) fans
FIGURES

Specifies the performance and the corresponding methods of test of ventilating fans for household and similar purposes intended for air forcing and exhaust, not exceeding 0.5 m in size, driven by single-phase a.c. motors having a power consumption not exceeding 500 W (including any associated regulators), for use on single-phase a.c. circuits not exceeding 250 V. Applies to ventilating fans such as wall fans, window fans, kitchen fans, etc.