HVJ8-12▯/630

额定电压

Rated voltage

kV

12

额定电流

Rated current

A

630

⼯频耐压

Power frequency withstand voltage

kV

42

雷电冲击耐压

Lightning impulse withstand voltage

kV

75

额定开断能⼒

The rated breaking capacity

A

8Ie 25 operations

额定关合能⼒

The rated closing capacity

A

10Ie 100 operations

额定短时耐受电流（热稳定电流）

Rated short-time resistance current（thermal stability current）

kA

10Ie

额定峰值耐受电流(动稳定电流)

Rated current peak tolerance（dynamic stable current）

kA

25Ie

峰值耐受电流时间

Peak withstand current time

S

2

额定开距

The rated contaCTs gap

mm

5.5±0.5

超⾏程

Overtravel

mm

≥1.5

主回路电阻

Maincircuit resistance

μΩ

≤80

合闸时间

Closing time

ms

≤60

分闸时间

Opening time

ms

≤40

合闸同期性

Closing synchronism

ms

≤2

触头合闸弹跳时间

Contact closing bounce time

ms

≤2

机械寿命

Mechanical life

Ac3

^1×104

Operations

25

Ac4

10

电寿命

Electrical life

^1×104

Operations

50