FN18-12

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概述　　FN-系列户内高压负荷开关,具有设计先进、操作简便、结构紧凑、体积小、功能全、重量轻、分合速度快、可靠性高等优点。适用于交流Hz，额定电压KV、额定电流A及三相配电系统中，特别适用于城网建设改造工程，高层建筑，公共设施的环网供电，是箱式变电站、变压器保护的理想产品。主要技术参数序号项目电位FN-D/FN-DR/-.额定电压KV额定频率Hz额定电流Amin工频耐受电压kv对地及相间；隔离断口雷电冲击耐受电压对地及相间；隔离断口相间距离mm额定动稳定电流KA 额定热稳定电流KA/S/ 额定电缆充电电流A额定转移电流 开断空载变压器容量KVA额定短路开断电流（熔断值）KA .-额定短路关合电流（峰值）额定有功负载开断电流 接地开关额定热稳定电流KA/S/额定有功负载电流开断次数 机械寿命外形图 Summary　　It is used in three-phase power distribuiton of AC Hz rated voltage kv and rated current A Esp For power ring network in city net work construction improvement high-rise buildings and public facilities as an ideal product to protect package substation and transformer It has the featrres of advanced design simple operation impact structruee smatr appearancelight weight complete function fast on-and off speed and high reliability.