产品名称: | TJC-7.2/630B接触器用陶瓷真空灭弧室 | |||||
型号规格: | |
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产品类别: | 常规产品 -- 备品配件 -- 陶瓷真空灭弧室 | |||||
参考价格: | 厂价直销 | |||||
产品品牌: | 国产 | |||||
产品产地: | 上海 | |||||
可供数量: | 批量 | |||||
供货周期: | 现货(或电询) | |||||
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产品简介: |
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参数名称Parameter name |
单位Unit |
数值Value |
额定电压Rated voltage |
kV |
7.2 |
额定电流Rated normal current |
A |
630 |
额定频率Rated frequency |
Hz |
50 |
额定接通电流Rated put through current |
kA |
6.3 |
额定分断电流Rated breaking current |
kA |
5.04 |
极限分断电流Limiting breaking current |
kA |
6.3 |
额定短时耐受电流 |
kA |
6.3 |
额定短时(1min)工频耐压 |
kV |
32 |
额定雷电冲击电压 |
kV |
60 |
触头自闭力下的回路电阻 |
μΩ |
≤100 |
电寿命Electricity life |
万次Ten thousand |
25 |
机械寿命Mechanical endurance |
万次Ten thousand |
50 |
触头自闭力Closing force due to bellow and atmosphere |
N |
70±20 |
额定开距时的触头反力 |
N |
100±20 |
触头允许磨损厚度 |
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 |
项目Project |
单位Unit |
数值Value |
触头开距Contact stroke |
mm |
6±1 |
触头接触行程Contact travel |
mm |
2±0.5 |
平均合闸速度Average closing speed |
m/s |
0.3±0.1 |
平均分闸速度 |
m/s |
0.6±0.2 |
额定触头压力 |
N |
100±20 |
触头合闸弹跳时间 |
ms |
≤2 |
合闸同期性 Closing same period |
ms |
≤1 |