RN1型户内限流熔断器、熔断特性图1RN1型“安秒”特性曲线RN1型户内高压限流熔断器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.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.技术数据361035额定电流(A)2010020030040020751002003002050751002007.510203040最大开断电流KA(有效值)4020123.5最小开断电流,(以额定电流倍数表示)不规定1.3不规定1.3不规定1.3不规定1.3三相最大断流容量(MVA)200重量(KG)Weight88.910.815.715.78.59.613.613.6171011.514.521211020272727熔断管结构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。外形及安装尺寸产品型号产品代号图号额定电压额定电流主要尺寸AaLH1HbRN-3/26700图332220400450125235108RN-3/367013RN-3/567025RN-3/7.567037.5RN-3/10670410RN-3/15670515RN-3/20670620RN-6/2672562320500550RN-6/367263RN-6/567275RN-6/7.567287.5RN-6/10672910RN-6/15673015RN-6/20673120RN-10/26751102420600650RN-10/367523RN-10/567535RN-10/7.567547.5RN-10/10675510RN-10/15675615RN-10/20675720图4RN1-35/2-40型外形尺寸图5RN1-3/30-100，RN1-30-75产品型号产品代号图号额定电压额定电流主要尺寸AaLH1HbRN-3/26707图5330216400450155235108RN-3/3670840RN-3/5670950RN-3/7.5671075266288RN-3/106711100RN-3/156732630316550235RN-3/20673340RN-6/2673450550RN-6/3673575366288RN-6/567581030416650235RN-6/7.5675940RN-6/10676050产品型号产品代号图号额定电压额定电流主要尺寸AaLHbRN-3/1506712图63150270400450350108RN-3/2006713200RN-6/10067366100RN-6/1506737150370500550RN-6/2006738200RN-10/7567611075470600650RN-10/1006762100产品型号产品代号图号额定电压额定电流主要尺寸AaLbRN-3/3006714图73300270400450&n)