Foundation bars for indoor switchgear ; design and mounting particulars 户内开关设备用槽钢设计与安装详细说明
2.
Indoor switchgear and controlgear assemblies and high - voltage switchgear and controlgear up to 36 kv ; colouring 室内电气开关设备和控制设备组件以及以下高
3.
Three - pole disconnectors and switch - disconnectors for indoor switchgear ; rated voltage 12 kv up to 36 kv ; rated normal current 400 a up to 1250 a ; main dimensions 室内开关装置的三极断路器和转换断路器.额定电压12至
