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接触器用真空灭弧室
HVJ5-1.14/400

HVJ5-1.14/400 vacuum interrupter for vacuum contactor

1. 主要技术参数 Main technique parameter

No.

参数名称 Parameter name

单位 Unit

数值 Value

1.

额定电压 Rated voltage

KV

1.14

2.

额定电流 Rated current

A

400

3.

额定频率 Rated frequency

Hz

50

4.

额定接通电流 Rated making current

A

4000

5.

额定分断电流 Rated breaking current

A

3200

6.

极限分断电流 Limiting breaking current

A

4000

7.

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

A

3200

8.

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

KV

10

9.

机械寿命 Mechanical life

104

Operations

100

10.

额定分断次数 Rated breaking operations

AC3

104

Operations

15

AC4

104

Operations

0.6

11.

触头自闭力 Automatic closing force of the contacts

N

60±20

12.

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

N

80±20

13.

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

μΩ

100

14.

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

mm

2

15.

允许储存期Storage life

Years

20

16.

内部气体压力 Internal gas pressure

Pa

≤1.33×10-3

 

2. 配用接触器的机械参数 Vacuum contactor technical specifications

No.

项目 Items

单位 Unit

数值 Value

1.

触头开距 Clearance between opening contacts

mm

2±0.2

2.

触头接触行程 Contacts travel

mm

1±0.2

3.

平均分闸速度 Average opening speed

m/s

0.6±0.1

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