|
|
|
|
Product Name：Vacuum Interrupters TJ-1.14/1250A
Item No：TJ-1.14/1250A |
| The Interrupter adopts :one shut technology", ceramic shell, CuWC as the contact material;is characterized by high insulation, low stop-flow, strong blowout ability , long life, smallsize etc, and has advantages as easy to maintain, no explosion risk ,pollution-free and lownoise etc. Contactors assembled by it are used to control and protect the electricity transmission and distribution system in electrical, mechanical, chemical, metallurgy, mining and railway department, especially in frequent operation fields. |
 |
Vacuum Interrupters TJ-1.14/1250A Download |
|
| Product Details Introduction |
|
序号
No.
|
主 要 技 术 参
数
Main Technical Specification
|
型号 Type
|
|
TJ-1.14/1250A
|
|
电气参数 ELECTRIC RATINGS
|
|
1
|
额定电压 Rated Voltage
|
kV
|
1.14
|
|
2
|
额定电流 Rated Current
|
A
|
1250
|
|
3
|
额定频率 Rated Frequency
|
Hz
|
50/60
|
|
4
|
额定短时（1分钟）工频耐受电压
Rated Short-time(1min) Power-Frequency Withshand Voltage
|
kV
|
10
|
|
5
|
触头自闭力下的回路电阻
Circuit Resistance At Contact Force From Atmosphere
|
μΩ
|
≤100
|
|
6
|
雷电冲击耐受电压
Lightning Impulse Withstand Voltage
|
kV
|
/
|
|
7
|
额定关合能力 Rated Making Capacity
|
kA/100Times
|
1.875
|
|
8
|
额定开断能力
Rated Breaking Capacity
|
kA/100Times
|
1.875
|
|
9
|
额定短时耐受电流，10秒 Rated Short-time Withstand Current，10s
|
kA
|
10
|
|
10
|
额定峰值耐受电流Rated Peak Withstand Current
|
kA
|
25
|
|
寿命 LIFE
|
|
1
|
机械寿命Mechanical Life
|
Times
|
300,000
|
|
2
|
电寿命 Electrical Life
|
Times
|
30,000
|
|
3
|
储存时间 Storage Life
|
years
|
≥10
|
|
4
|
触头允许磨损厚度
Contacts Erosion Limit
|
mm
|
1.5
|
|
机械数据 MECHANICAL DATA
|
|
1
|
触头自闭力
Contact Force From
Atmosphere
|
N
|
60±15
|
|
2
|
触头反力 Counterforce of Contacts at Full Stroke
|
N
|
80±20
|
|
配套的真空开关设备应满足的机械参数
MECHANICAL DATA OF VACUUM SWITH EQUIPPED WITH THE INTERRUPTERS
|
|
1
|
触头开距 Contact Stroke
|
mm
|
2.3±0.5
|
|
2
|
超行程 Overtrave
|
mm
|
1.5±0.5
|
|
3
|
平均分闸速度Average Opening Speed
|
m/ s
|
0.3～0.5
|
|
4
|
平均合闸速度Average closing speed
|
m/ s
|
0.05～0.15
|
|
5
|
触头合闸弹跳时间 Contact Bouncing Duration
at Cosing Operation
|
ms
|
≤3
|
|
6
|
额定触头压力 Rated Added External Contactfinal Force
|
N
|
200
|
|
|
|
|
