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ZW8-12/C智能型户外高压真空断路器

更新:2014-10-21 10:50:22点击:
  • 产品品牌
  • 产品型号ZW8-12/C
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产品介绍
概述
ZW8-12/C智能型户外高压真空断路器(以下简称智能型断路器)用于交流50Hz、电压10-12kV的三相电力系统,作为分断、关合负荷电流之用,它具有过载及短路保护功能、速断保护功能、定时限延时保护功能、自动重合闸功能,还可以根据用户需要配装避雷器或隔离开关(即断路器与隔离开关组合,以下简称“组合智能型断路器”)等。该智能型断路器自备电源,可就近遥控操作,备有CT、PT接口,可满足遥测要求。
型号及其含义
主要技术参数
名称 单位 参数
额定电压 KV 12
额定绝缘水平 1min工频耐受电压 干式 42
湿式 34
雷电冲击耐受电压(峰值) 75
额定电流 A 630、400、200
额定短路开断电流 KA 20、16、12.5
额定操作顺序   分-0.3s-合 分-180s-合分
额定短路开断电流次数 30
额定短路关合电流(峰值) kA 50
额定峰值耐受电流 50
额定短时耐受电流 20
额定短路开断持续时间 s 4
分闸时间(分励脱扣) 最高操作电压 ms 15~50
额定操作电压 15~50
最低操作电压 30~60
合闸时间 25~50
全开断时间 ≤100
燃弧时间 ≤20
机械寿命 10000
合闸功率 J 70
储能电机额定输入功率 W ≤220
额定操作电丈夫及辅助回路额定电压 V DC220 110 25
AC220 110 24
额定电压下储能时间 S <8
过电流脱扣器 额定电流 A 5
脱扣电流准确度 ±10
过电流调节 A 1~9
速断调节 ms 6~20
延时时间 80~500
遥控距离 m 30
重合次数 1~3
外形及安装尺寸图
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