Prefabricated Branch Cable
Prefab branch cable,which is one kind of new prefab structural distribution cables,is widely used in the distridutionof residential building. office building.hotel, hospital, bridge.factory,mining,subway,tunnel,and so on.The cable combinedthe trunk cable,branch cable,and branch jointinto one according to the framewcrk characteristic and distribution demandof the idiographic structure.Adopted factory prefab way,it is the ideal substitute for gener al cable and generatrix trough.It has outstanding advantages in economical engineering,advanced technique and convenient & simple installation.
Category:
test
Product details
● Optional variety and specifications of cable:
● YJV:XLPE insulated and PVC sheathed power cable.
● ZR-YJV:XLPE insulated and PVC sheathed flame retardant cpower cable.
● NH-YJV:XLPE insulated and PVC sheathed slow-burning power cable.
● VV:PVC insulated and sheathed power cable.
● ZR-VV:PVC insulated and sheathed flame retardan power cable.
● NH-VV:PVC insulated and sheathed slow-burning power cable.
● GWDZ-,WDZA-,WDNA-WDZAN-:new generation PVC sheathed low-smoke low-poision no-halogen power cable.G-oxygen series cable.
1. The cable is single core copper cable with 0.6/1kv rated voltage0(U0/U)without special indication
2.The main cable are electri ones applying black protection cover.
3.Without special indication,the branch cable all apply the same type of electric ones as the main cables.
4.If the branch cable requires model BV-500 wire with colour marks(yellow,red,green,light, blue,yellow/green).Itshould be specified during.
1.Insulation resistance≥200Mo
2.Insulation withstand voltage≥3.5kV/5min;
3.Excellent air tightness and water proofing quality.When immerge branch joint water.measured insulation resistancebetween water and cable core,and power frequency withstand voltge meet the requirement of items 1 and 2;14.Litle contact resistance of branch joint.The ratio value of contact resistance resist ance of equallength branch line if equal to or less than 1.2;
5.large joint short circuit strength. The variation rate of contact resistance ratio after shart circuitis equal to orless than 0.2;6.For ZR-YJV type flame-retarded prefabricated branch cables,self extinguishing time of jacket is equal is equal to or less than 12s and meets GB12666.5;
7.Besides power supplyin normal working condition NH fire resistance type cable can reamin normal operation for 90 min uder brming condition and meets GB12666.6;8.Max,working temperature of copper core of VV type cable is 70°C and that of YJV type cable 90°C;9.With excellent corrosive resistance,t can keep from eroding of inorganic salt, oil, base,acid,organic solution and so on;10.YJV type prefabricated branch cable has excellent themal stability and aging resistance;
11.GWDz-,WDZA-,WDNA-,WDZAN-clean-type precast branch cable possesses the features such as low smoke.low- toxic,non-halogen and fireresistance etc;
12.GZR-YJV oxygen barrier branch cable with higt flame retardance and fire resistance which exceeds Antifaming St-amdard Aclass.
Keywords:
high and low voltage power cables,flexible fireproof cables,charging station cables
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