标准摘要
[中文适用范围]： 适用于海拔不超过 2000 m、额定电压不超过交流 1000 V、额定频率不超过 30 kHz 或额定电压不超过直流 1500 V 的设备。规定了电气间隙、爬电距离和固体绝缘的要求。 [外文原描述]： 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.
英文名称Insulation coordination for equipment within low-voltage systems - Part 1: Principles, requirements and tests