8DJ20二次配电气体绝缘开关柜

8DJ20 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

  • 不可扩展

  • 组合式


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

  • non-extendable

  • block versions


额定电压 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

50

额定雷电冲击耐压

Rated lightning impulse withstand voltage

      kV

75

125

额定短时耐受电流

Rated short-time withstand current

 

1s

up to kA

25

20

3 s

up to kA

20

20

额定短路关合电流

Rated short circuit making current

up to kA

63

50

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

-40  to +70*

带二次设备

With secondary equipment

°C

-5/  to +55*

防护等级

Degree of protection

一次部分(主线路)

Primary part (main circuit)

IP65

柜体外壳

Switchgear enclosure

IP2X / IP3X*

二次部分

Secondary part

IP3X / IP4X*