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ZW32M-12户外高压永磁真空断路器

更新:2014-10-22 9:44:10点击:
  • 产品品牌
  • 产品型号ZW32M-12
  • 在线订购
产品介绍
概述
ZW32M-12型户外高压永磁真空断路器(以下简称断路器)为额定电压12kV,三相交流50Hz的户外配电设备。主要用于开断、关合电力系统中的负荷电流、过载电流及短路电流。适用于变电站及工矿企业配电系统中作保护和控制之用,及农村电网频繁操作的场所。
本断路器具有体积小、重量轻、防凝露、免维护等特点,能适应较恶劣的气候条件和污秽环境。
该型产品采用永磁操作机构进行操作;由于永磁操作机构由永磁体提供保持力,使开关保持在分合闸位置,其机械零件数量少、机械传动链短,从而大大提高了开关的可靠性和机械寿命。
型号及其含义
主要技术参数
序号 项目 单位 参数
1 额定电压 kV 12
2 额定频率 Hz 50
3 额定电流 A 630
4 额定短路开断电流 kA 20
5 额定峰值耐受电流(峰值) kA 50
6 额定短时耐受电流 kA 20
7 额定短路关合电流(峰值) kA 50
8 机械寿命 10000
9 额定短路开断电流开断次数 30
10 工频耐受电压(1min);(湿)(干)相同、对地/断口 kV 42/48
11 雷电冲击耐受电压(峰值)相间、对地/断口 kV 75/85
12 二次回路1min工频耐压 kV 2
外形及安装尺寸图
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