8DJH二次配电气体绝缘开关柜

8DJH Type Secondary Distribution Gas-Insulated Switchgear

产品特点

· 额定最大 17.5 kV, 25 kA 或者 24 kV, 20 kA
· 母线、馈线电流 630 A
· 工厂装配,经型式试验,满足IEC 62271-200, GB 3906, GB 3804, GB 1984, GB   16926标准
· 金属封闭
· 单母线
· 气体绝缘,终身密封
· 左右两侧可扩展
· 单元式、组合式可选

Feature

  • Up to 17.5 kV, 25 kA or 24 kV, 20 kA

  • Busbar 630 A, feeders up to 630 A

  • Factory assembled, type tested switchgear acc. to IEC 62271-200

  • Metal-enclosed

  • Single busbar

  • Gas-insulated, sealed for life

  • Flexible due to extension option and block formation

  • Individual panels and block versions


技术参数 Technical data

额定电压

Rated voltage

       kV

12

24

额定频率

Rated frequency

      Hz

50/60

50/60

额定短时工频耐压

Rated power-frequency withstand voltage

      kV

42

65

额定雷电冲击耐压

Rated lightning impulse withstand voltage

      kV

75

125

额定峰值耐受电流

Rated peak withstand current

up to kA

 63

50

额定短路关合电流

Rated short-circuit making current

up to kA

63

50

额定短时耐受电流

Rated short-time withstand current

2 s

up to kA

25

20

4 s

up to kA

20

20

额定短路开断电流

Rated short-circuit breaking current

up to kA

25

20

额定母线电流

Rated normal current for busbar

up to A

630

环境温度

Ambient air temperature

不带二次设备

Without secondary equipment

°C

-25/-40*  to +70

带二次设备

With secondary equipment

°C

-5/-15*/-25* to +55

存储 / 运输

Storage/transport

°C

-40  to +70

防护等级

Degree of protection

一次部分

Primary part

IP67

柜体外壳

Switchgear

IP2X / IP3X

二次部分

Secondary part

IP3X / IP4X

内部燃弧等级*

 IAC*

靠墙安装

Wall-standing arrangement

A FL    up to 21kA (1s)

自由安装*

Free-standing arrangement*

A FLR up to 21kA (1s)