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Product name： | BD11-12/630-20A真空灭弧室 | |||||
| specification： |   Zoom in on the image |
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| Category： | spare parts and accessories -- 玻璃真空灭弧室 | ||||||
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Price： | factory price | |||||
| Brand： | Shanghai | ||||||
| Place of Origin： | China | ||||||
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Available Quantity： | batch | |||||
| delivery cycle： | Spot goods (or inquire by telephone) | ||||||
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BD11-12/630-20A真空灭弧室：
外形尺寸图
| 参数名称 | 参数值 | 单位 |
|---|---|---|
| 额定电压 | 12 | kV |
| 额定电流 | 630 | A |
| 额定频率 | 50 | Hz |
| 短时(1min)工频耐受电压 | 42 | kV |
| 雷电冲击耐受电压 | 75 | kV |
| 额定短路开断电流 | 20 | kA |
| 额定峰值耐受电流 | 50 | kA |
| 额定短路关合电流 | 50 | kA |
| 额定短时耐受电流 | 20 | kA |
| 额定短路持续时间 | 4 | s |
| 额定单个电容器组开断电流 | 630 | A |
| 额定背对背电容器组开断电流 | 400 | A |
| 额定操作顺序 | O-0.3(0.5)s-CO-180s-CO | |
| 额定短路开断电流次数 | 50 | 次 |
| 机械寿命 | 10000 | 次 |
| 触头自闭力 | 100±50 | N |
| 额定开距下的触头反力 | 200±50 | N |
| 额定触头压力下限时的回路电阻 | 30 | μΩ |
| 触头允许磨损厚度 | 3 | mm |
| 真空灭弧室内部气体压力 | 0.001 | Pa |
| 运动部分的质量 | 1.1 | kg |
| 真空灭弧室质量 | 3.5 | kg |
| 触头开距 | 11±1 | mm |
| 平均分闸速度 | 1.1±0.3 | m/s |
| 平均合闸速度 | 0.6±0.2 | m/s |
| 额定触头压力 | 2000±200 | N |
| 触头合闸弹跳时间 | 2 | ms |
| 触头合闸和分闸不同期性 | 2 | ms |
| 分闸触头反弹幅值 | 2 | mm |
| 外径 | 100 | mm |
| 安装高度 | 225 | mm |
| 外形 | 中封式 |
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