HVJ4-7.2▯/160/250/400/630

额定电压

Rated voltage

kV

7.2

额定电流

Rated current

A

160,250,400,630

⼯频耐受

Power frequency withstand voltage

kV

32

雷电冲击耐压

Lightning impulse withstand voltage

kV

60

额定短时耐受电流

Rated short-time resistance current

kA

10Ie

额定峰值耐受电流

Rated current peak tolerance

kA

25Ie

过载耐受电流

Overload withstand current

kA

15Ie

额定开断能⼒

The rated breaking capacity

A

8Ie 25次

operations

额定关合能⼒

The rated closing capacity

A

10Ie 100次

operations

短路电流开断和关合

Short circuit current breaking and closing

A

10Ie O-180s-CO-180s-CO 1次

operations

额定单个电容器开断电流

Individual capacitor breaking current

A

100-200-300

额定背对背电容器组开断电流

Back-to-back capacitor bank breaking current

A

80-160-200

额定开距

The rated contaCT gap

mm

4.5±0.5(6±0.5)

超⾏程

Overtravel

mm

≥1.5

合闸同期性

Closing synchronism

ms

≤2

电寿命

Electrical life

Ac3

1×104

Operations

25

Ac4

10

机械寿命

Mechanical life

1×104

Operations

50