HVJ4-12▯/160/250/400/630

额定电压

Rated voltage

kV

12

额定电流

Rated current

A

160,250,400,630

⼯频耐受

Power frequency withstand voltage

kV

42

雷电冲击耐压

Lightning impulse withstand voltage

kV

75

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 operations

额定关合能⼒

The rated closing capacity

A

^10Ie 100 operations

短路电流开断和关合

Short circuit current breaking and closing

A

^10Ie O-180s-CO-180s-CO 1operations

额定单个电容器开断电流

Individual capacitor breaking current

A

160-300

额定背靠背电容器组开断电流

Back-to-back capacitor bank breaking current

A

80-200

额定开距

The rated contaCT gap

mm

6±0.5(7±0.5)

超⾏程

Overtravel

mm

≥1.5

合闸时间

Closing time

ms

≤110

≤60

分闸时间

Opening time

ms

≤90

≤40

快速式机型分闸时间

Quick type machine opening time

ms

≤15

触头合闸弹跳时间

Contact closing bounce time

ms

≤2

合闸同期性

Closing synchronism

ms

≤2

主回路电阻

Main circuit resistance

μΩ

≤80

额定电流下操作频率

Operating frequency at rated current

次/⼩时

operations/hour

300/h

120/h

机械寿命

Mechanical life

^1×104

Operations

50

电寿命

Electrical life

Ac3

^1×104

Operations

25

Ac4

10