|
参数名称
Parameter name |
单位
Unit |
数值
Value |
|
额定电压
Rated voltage |
kV |
40.5 |
|
额定电流
Rated normal current |
A |
1250 |
|
额定短路开断电流
Rated short-circuit breaking current |
kA |
25 |
|
额定短路关合电流
Rated short-circuit making current |
kA |
50 |
|
额定峰值耐受电流
Rated peak withstand current |
kA |
50 |
|
额定短时耐受电流
Rated short-time withstand current |
kA |
25 |
|
额定短路持续时间
Rated duration of short circuit |
S |
4 |
|
额定单个电容器组开断电流
Rated single capacitor unit breaking current |
A |
630 |
|
额定背对背电容器组开断电流
Rated back to back capacitor unit breaking current |
A |
400 |
|
额定短时（1min）工频耐压
Rated short time power frequency withstand voltage (1min) |
kV |
95 |
|
额定触头压力下的回路电阻
Circuit resistance at lower limit of rated contact pressure |
μΩ |
≤30 |
|
额定短路开断电流开断次数
Rated short circuit breaking current breaking times |
次
Time |
20 |
|
额定雷电冲击耐受电压
Rated lightning impulse withstand voltage |
kV |
185 |
|
机械寿命
Mechanical endurance |
次
Time |
10000 |
|
触头自闭力
Closing force due to bellow and atmosphere |
N |
250±50 |
|
额定开距时的触头反力
Force required to hold contacts open at full stroke |
N |
330±60 |
|
触头允许磨损厚度
Contact-wear allowance thickness |
mm |
3 |
|
内部气体压力
Internal gas pressure |
Pa |
≤1.33×10ˉ3 |
|
允许贮存期
Storage period |
年
Year |
20 |
