標準號：BS 7822-2-1-1999
中文標準名稱：低壓系統內部設備的絕緣配合.應用指南.尺寸確定程序工作單和尺寸確定實例
英文標準名稱：Insulation coordination for equipment within low-voltage systems - Application guide - Dimensioning procedure worksheets and dimensioning examples
標準類型：K30
發布日期：1999/2/15 12:00:00
實施日期：1999/2/15 12:00:00
中國標準分類號：K30
國際標準分類號：29.080.01;29.080.30
適用范圍：This technical report is intended as a guide for technical committees specifying dimensioning requirements for products in accordance with IEC 60664-1. The significant items for consideration are as follows: a) nominal system voltage(s) or rated insulation voltage(s); b) overvoltage category of the products; c) pollution degree. A diagram for dimensioning of clearances and creepage distances for low-voltage equipment (up to 2 000 m) is shown in figure 1. All references given below are to IEC 60664-1.