gb14048.2低壓開關設備和控制設備-低壓斷路器

1、ICS29.120.40K31GB14048.2－2001idtIEC60947－2:1997低壓開關設備和控制設備低壓斷路器LowvoltageswitchgearcontrolgearLowvoltagecircuitbreakers20011121發(fā)布20021101實施IGB14048.2－2001前言……………………………………………………………………………………………………………VIEC前言……………………………………………

2、………………………………………………………VII1總則………………………………………………………………………………………………………11.1適用范圍………………………………………………………………………………………………11.2參考標準………………………………………………………………………………………………22定義……………………………………………………………………………………………………32.1斷路器……………………………………………

3、……………………………………………………32.2帶熔斷器的斷路器……………………………………………………………………………………42.3限流斷路器……………………………………………………………………………………………42.4插入式斷路器…………………………………………………………………………………………42.5抽屜式斷路器……………………………………………………………………………………………42.6塑料外殼式斷路器……………………………

4、…………………………………………………………42.7空氣斷路器………………………………………………………………………………………………42.8真空斷路器………………………………………………………………………………………………42.9氣體斷路器………………………………………………………………………………………………42.10接通電流脫扣器………………………………………………………………………………………42.11短路脫扣器……………………

5、………………………………………………………………………42.12短延時短路脫扣器……………………………………………………………………………………42.13報警開關………………………………………………………………………………………………52.14帶防止閉合的閉鎖斷路器……………………………………………………………………………52.15短路分斷（或接通）能力………………………………………………………………………………52.16斷開時間………

6、………………………………………………………………………………………52.17過電流保護配合………………………………………………………………………………………52.18斷路器的I2t特性………………………………………………………………………………………63分類…………………………………………………………………………………………………………63.1按使用類別分……………………………………………………………………………………………63.2按分

7、斷介質分……………………………………………………………………………………………63.3按設計型式分……………………………………………………………………………………………63.4按操作機構的控制方法分………………………………………………………………………………73.5按是否適合隔離分………………………………………………………………………………………73.6按是否需要維修分………………………………………………………………………………………7

8、3.7按安裝方式分……………………………………………………………………………………………73.8按外殼防護等級分………………………………………………………………………………………74斷路器的特性………………………………………………………………………………………………74.1特性概述…………………………………………………………………………………………………74.2斷路器的型式……………………………………………………………………………………