標準號：BS EN 60669-2-4-2005
中文標準名稱：家用和類似用途固定電氣設施用開關.特殊要求.隔離開關
英文標準名稱：Switches for household and similar fixed electrical installations - Particular requirements - Isolating switches
標準類型：K31
發布日期：2005/5/11 12:00:00
實施日期：2005/5/11 12:00:00
中國標準分類號：K31
國際標準分類號：29.120.40
適用范圍：This clause of Part 1 applies except as follows. Replacement of the first paragraph: This part of IEC 60669 applies to manually operated general purpose isolating switches with a rated voltage not exceeding 440 V and a rated current not exceeding 125 A, intended for household and similar fixed electrical installations, either indoors or outdoors. NOTE Isolating switches are designed for overvoltage category III and used in environment of pollution degree 2 according to IEC 60664-1.