RN4系列户内高压限流熔断器产品详细说明： RN2、RN4系列产品适用于交流50Hz，额定电压为（3～35 )kV的户内配电系统中，作为电压互感器的过载或短路保护用。
产品特点RN4系列户内高压限流熔断器由底座和熔管二部分组成。熔管由瓷质外壳和二端导电铜帽组成．内装缠有熔体的有棱瓷管，内腔空间由石英砂填充，石英砂起熄弧作用。型号额定电压kV最高工作电压kV额定电流A额度断流容量MVA电阻RN2-1033.60.550093±667.210001012RN2-201517.5200±102024RN2-353540.5315±14RN4-2020240.354500400±10
型号LL1L2HBRN2-1045040021623595375RN2-20650600416100RN2-35850800616435100RN4-20650600416375100
□RN1型户内高压限流熔断器，用于电力线路的过载及短路保护。所谓限流就是熔断器在短路电流达到峰值之前就将其切断的功能。
□The product is in overload or short-circuit protection for elctric transformer. The current limiting means that the fuse will cut off the circuit before the shortcircuit current reaches the peak value.
◆熔断特性
当通过熔断器的电流为其额定电流的1.3倍时，1小时不熔断；当通过熔断器的电流为其额定电流的2倍时，1小时内熔断；熔断器的熔断特性曲线如图1，供选择熔断器时参考。
Current which passes the fuse when being 1.3 times of its specified electric current, Do not fusing for an hour; When the current through the fuse is 2 times of its specined electric current, fusing in an hour; Refer to its fusing feature curve in chart 1 when select the fuse.◆技术数据 Technique data 361035额定电流 A2010020030040020751002003002050751002007.510203040最大开断电流KA (有效值)
Max breaking curent KV effective vakue4020123.5最小开断电流(以额定电流倍数表示)
The mininum breaking current Express
with specified electric current multipe不规定
nuprovide1.3不规定
nuprovide1.3不规定
nuprovide1.3不规定
nuprovide1.3三相最大断流容量（MVA）200重量 Weight88.910.815.715.78.59.613.613.6171011.514.521211020272727
◆熔断管结构 Structure of fuse link熔断管是熔断器的主要部件，它是由熔丝装在瓷管中，并在瓷管中充填石英砂，两端密封而成。额定电流在7.5A以下及额定电压 为35V的熔管，其熔丝是绕在特制的瓷芯上，如图2.a；额定电流在7.5A以上的熔体管，其熔丝是悬挂在瓷管中如图2.b。
The fuse pipe is the main part of fuse,it is made by installing the fuse wire in the porcelain pipe,filling the quartz sand in the porcelain pipe and sealing to-ends of pipe.For the fuse pipe with rated current below 7.5Aand 35V rated voltage,its fuse wire is rolled on the special por-
celain core,referening to chart 2.a.for the fuse pipe with rated current above 7.5A,its fuse wire is hang in the porcelain pipe,referening to the chart.◆外型及安装尺寸 Installation Dimensios图2 RN1-及RN2型熔体管剖面
Chart 2-the section of Rn1and Rn2 style fuse pipe图3 RN1-3，6，10/2-20型外形尺寸
Chart 2-the section of Rn 1and Rn2 style fuse pipe□1.端盖 Cover □6.指示器熔丝 Indicator fuse wire
□2.端帽 Cap □7.弹簧 Spring
□3.瓷管 Porce lain pipe □8.指示器头 Indicator
□4.熔丝 Fuse wire □9.瓷制芯子 Porcelain core
□5.石英砂 Quartz sand □10.胶垫 Rubber washer产品型号
Product type产品型号
Product code number图号
Diagram number额定电压(KV)
Rated voltage额定电流
RaFuse current A主要尺寸Main sizeminAaLH1HbRN1-3/2RN3图332220400450125235108RN1-3/3RN33RN1-3/5RN35RN1-3/7.5RN37.5RN1-3/10RN310RN1-3/15RN315RN1-3/20RN320RN1-6/2RN362320500550RN1-6/3RN33RN1-6/5RN35RN1-6/7.5RN37.5RN1-6/10RN310RN1-6/15RN315RN1-6/20RN320RN1-10/2RN3102420600650RN1-10/3RN33RN1-10/5RN35RN1-10/7.5RN37.5RN1-10/10RN310RN1-10/15RN315RN1-10/20RN320
图4 RN1-35/2.40，RN2-35，RN3-35型外形尺寸 图5 RN1-3/30-100，RN1-30-75，RN1-10/30-250型外形尺寸产品型号
Product type产品型号
Product code number图号
Diagram number额定电压(KV)
Rated voltage额定电流
