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ZW6-12户外高压真空断路器

更新:2014-10-22 9:46:12点击:
  • 产品品牌
  • 产品型号ZW6-12
  • 在线订购
产品介绍
概述
ZW10-12/630-16(20)型户外高压真空断路器适用于12KV及以下,交流50HZ的三相电力系统。主要用于农网和城网作分、合负荷电流、过载电流及短路电流之用,也可用于其它类似场所,还可作为城市市区12KV级电网的分段开关。
型号及其含义
断路器的装配调整参数
序号 项目 单位 参数
1 触头开距 mm 9±1
2 触头超程 3±1
3 平均合闸速度 m/s 0.6±0.2
4 平均分闸速度 1.0±0.2
5 触头合闸弹跳时间 ms ≤2
6 三相分闸同期性 ms ≤2
7 合闸时间 s ≤0.1
8 分闸时间 最高操作电压 ≤0.06
最低操作电压 ≤0.1
9 每相回路直流电阻 μΩ ≤200
10 相间中间距(灭弧室) mm 193
断路器的额定技术参数
序号 名称 单位 参数
  额定电压 kV 12
  额定绝缘水平 1min工频耐压 干式 kV 42
  湿式(对地) 34
  雷电冲击耐压(峰值) 75
  额定电流 A 630
  额定频率 Hz 50
  额定短路开断电流 kA 12.5、16、20
  额定短路关合电流(峰值) 31.5、40、50
  额定峰值耐受电流 31.5、40、50
  额定短时耐受电流 12.5、16、20
  操作顺序   分-0.3s-合分-180s-合分
  额定短路电流开断次数 30
  机械寿命 10000
  额定操作电压CT弹簧操作机构 V DC24、48V、AC DC100V、220V
  触头允许磨损厚度 mm 3
  过电流脱扣器额定电流 A 5
  重量 kg 130(标准)
外形及安装尺寸图
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