IEC 60664-1 Revised
IEC 60664-1:1992
Insulation coordination for equipment within low-voltage systems - Part 1: Principles, requirements and tests
Specifies the requirements for clearances, creepage distances and solid insulation for equipment based upon their performance criteria. Applies to equipment for use up to 2 000 m above sea level having a rated voltage up to 1 000 V a.c. with rated frequencies up to 30 kHz or a rated voltage up to 1 500 V d.c. Supersedes IEC 664 and IEC 664A. Has the status of a basic safety publication in accordance with IEC Guide 104.
CHFÂ 365.-
A more recent version of this publication exists:
IEC 60664-1:2020/AMD1:2025
Technical committee
TC 109 Insulation co-ordination for low-voltage equipmentCategory
Basic SafetyKeywords
Rural electrification - LVDC| Publication type | International Standard |
| Publication date | 1992-10-01 |
| Edition | 1.0 |
| ICS | 29.080.30 |
| Withdrawal date | 2007-04-26 |
| ISBN number | 2831824656 |
| Pages | 127 |
| File size | 5.95 MB |