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theratedinsulationvoltageis800v,ratedvoltage690v,ratedcurrent630a,ratedfrequency50hz,inpowerdistributionandmotorwithhighshortcircuitcurrentcircuit,apowerswitch,isolatingswitchandemergencyswitch,andascircuitprotection,butisgenerallynotasopenandclosethesinglemotthisproductperformanceindicatorsinlinewiththeiec60947characteristics1、both mounting base and encolosure of gfr1 series fuseswitcdisconnectorare made of plastic and electronic prevention cage is installed on the&n so the

gfr1series fusewitch-disconnector is the feature with compact construction, light weight,reliabilitysafety, easy to install and beautiful 二、gfr1 series fuse-switch-disconnector has micro-gap switch which used for thesupply change-over of the indication of the switch breaking and&nb3、rated duty: both contacts and socket bases of the switch are silver plated,so theswitch could works in uninterruptednormal  conditions;without micro-gap switch;with micro-gap switch;pole number;conventional thermal current;design codebrand “securelucky”fuse-switch-disconnector1、the altitude of the site of install。

hasefailurepro

countercurreghr1-20pfusetypeisolatingswitch/ghg1-20pfusgpn-gqzserieswiththedoubleunder-voltageprogmseriesmolde

津)电气设备。