ZN63[VS1]-12~24KV Series Vacuum Circuit Breaker

1

额定电压

Bated yoltage

KV

12

2

最高工作电压

Maximum operating voltage

KV

12

3

额定电流

Rated Current

A

630~1250

630~1600

630~1600

4

额定短路开断电流

Rated short circuit breaking curent

KA

20

25

31.5

5

额定短路关合电流

Rated short-circuit switching current

KA

50

63

80

6

额定峰值耐受电流

Rated peak withstand current

KA

50

63

80

7

4S额定短路耐受电流

4S rated short-circuit withstand current

KA

20

25

31.5

8

额定绝缘水平 Rated

insulation level

工频耐压(额定开断前后)

Power frequency voltage(rated breaking before and after)

KV

42(fracture 48)

冲击耐压(额定开断前后)

Impulse withstand voltage(rated breaking before and after)

75(fracture 85)

9

额定操作顺序

Rated operating sequence

分-0.3S-合分-180S-合分 0-0.3S-CO-180S-CO

10

机械寿命

Mechanical life

Times

10000

11

额定短路开断电流开断次数

Rated short-circuit current breaking times

Times

50

12

操作机构额定合闸电压(直流)

Rated Operating Mechanism Closing Voltage(DC)

v

AC、DC    110、220

13

操作机构额定分闸电压(直流)

Rated Operating Mechanism Opening Voltage(DC)

V

AC、DC    110、220

14

触头开距

Contact opening distance

mm

11±1

15

超行程(触头弹簧压缩长度)

Overtravel(the length of contact spring compression)

mm

3.5±0.5

16

三相分、合闸弹跳时间

Closing/Opening Time Difference Among Three Phase

ms

≤2

17

触头合闸弹跳时间

Contact closing bounce time

ms

≤2

18

平均分闸速度

Average opening speed

m/s

0.9-1.2

19

平均合闸速度

Average closing speed

m/s

0.5-0.8

20

分  闸       最 高 操 作 电 压 下

时  间       Maximum operating voltage

s

≤0.05

Tripping Time

最 低 操 作 电 压 下

Minimum operating voltage

≤0.08

21

合闸时间

Closing time

s

0.1

22

各相主回路电阻

The main circuit resistance of each phase

630≤501250≤451600≤40

23

动静触头允许磨损累积厚度

Allowed Consumpted Thickness of Contacts

mm

3