8DH10二次配电气体绝缘开关柜

8DH10 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

  • 母线电流1250A,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

  • 底部可扩展

  • 单元式、组合式可选


Feature

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

  • Busbar 1250 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

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

1 s

  Up to kA

25

20

3 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

1250

环境温度

Ambient air temperature

不带二次设备

Without secondary equipment

  °C

-25 ~ +70

带二次设备

With secondary equipment

  °C

-5  ~ +55

防护等级

Protection degree

一次部分

Primary part

IP67

柜体外壳

Switchgear enclosure

IP2X / IP3X

二次部分

Secondary part

IP3X / IP4X