HCJ3-12/400/630 (JUC522/JUC522A)

1.

额定电压 Rated voltage

KV

12

2.

额定电流 Rated current

A

400/630

3.

额定频率 Rated frequency

Hz

50

4.

额定接通电流 Rated making current

KA

4/6.3

5.

额定分断电流 Rated breaking current

KA

3.25.04

6.

极限分断电流 Limiting breaking current

KA

4/6.3

7.

额定短时耐受电流 Rated short time withstand current

KA

3.2/5.04

8.

额定短时工频耐压 Rated short time power frequency withstand voltage (1 minute)

KV

42

9.

额定雷电冲击耐受电压Rated lightning impulse withstand voltage

KV

75

11.

电寿命 EleCTrical life

1×10⁴

Operations

25

12.

机械寿命 Mechanical life

1×10⁴

Operations

50

13.

触头自闭力 Automatic closing force of the contacts

N

70±20

14.

额定开距时的触头反力 Force required to hold the contacts opening at full stroke

N

100±30

15.

触头自闭力下的回路电阻 Circuit resistance under minimum contacts force

μΩ

≤80

16.

触头允许磨损厚度 Limiting abrasion thickness of the contacts

mm

3

17.

允许储存期Storage life

Years

20

18.

内部气体压力 Internal gas pressure

Pa

≤1.33×10^-3

1.

触头开距 Clearance between opening contacts

mm

6±1

2.

触头接触行程 Contacts travel

mm

2±0.5

3.

平均分闸速度 Average opening speed

m/s

0.6±0.2

4.

平均合闸速度 Average closing speed

m/s

0.3±0.1

5.

额定触头压力 Rated contacts pressure

N

100±20

6.

触头合闸弹跳时间 Contacts bouncing duration at closing operation

ms

≤ 2

7.

合闸同期性 Closing synchronism

ms

≤ 2

8.

分闸触头反弹幅值 Contacts re-bouncing clearance at opening operation

mm

≤ 1.5