British Standard BS Steel wired armoured cable
British Standard BS Steel wired armoured cable
Steel wire armoured cable, commonly abbreviated as SWA, is a hard-wearing power cable designed for the supply of mains electricity. It is one of a number of armoured electrical cables – which include 11kV Cable and 33kV Cable – and is found in underground systems, power networks and cable ducting.
 
The typical construction of an SWA cable can be broken down as follows:
 
Conductor: consists of plain stranded copper (cables are classified to indicate the degree of flexibility. Class 2 refers to rigid stranded copper conductors as stipulated by British Standard BS EN 60228:2005)
 
Insulation: Cross-linked polyethylene (XLPE) is used in a number of power cables because it has good water resistance and excellent electrical properties. Insulation in cables ensures that conductors and other metal substances do not come into contact with each other.
 
Bedding: Polyvinyl chloride (PVC) bedding is used to provide a protective boundary between inner and outer layers of the cable.
 
Armour: Steel wire armour provides mechanical protection, which means the cable can withstand higher stresses, be buried directly and used in external or underground projects. The armouring is normally connected to earth and can sometimes be used as the circuit protective conductor ("earth wire") for the equipment supplied by cable.
 
Sheath: black PVC sheath holds all components of the cable together and provides additional protection from external stresses.
 
Voltage rating: 0.6/1kv 3.6/6kv 6/10kV 8.7/15kV 26/35kV
 
Steel wire armoured Cable advantages:
1) high quality low price
2) prompt delivery
3) good and sincere service
4) British Standard BS5467 and International Electrotechnical Commission standard IEC 60502, IEC BS ASTM DIN etc
 
Steel wired armoured cables list:
 
Type Description Application
Cu Core Al Core
YJV ZR-YJV YJLV ZR-YJLV Cu(Al)Core, XLPE Insulated, PVC Sheathed Power Cable Cu(Al)Core, XLPE Insulated, PVC Sheathed flame- retardant Power Cable Can be laid in indoor, outdoor, tunnels, cable channels, reinforced concrete pipelines and loose soil. Cable should not bear outer mechanic force, but can bear a certain tractional force.
YJV22 ZR-YJV22 YJLV22 ZR-YJLV22 Cu(Al)Core, XLPE Insulated, Steel Tape Armored and PVC Sheathed Power Cable Cu(Al)Core, XLPE Insulated, Steel Tape Armored and PVC Sheathed flame- retardant Power Cable Laid underground. Cable can bear outer mechanic force, but should not bear large tractional force.
YJV32 ZR-YJV32 YJLV32 ZR-YJLV32 Cu(Al)Core, XLPE Insulated, Steel Wire Armored and PVC Sheathed Power Cable Cu(Al)Core, XLPE Insulated, Steel Wire Armored and PVC Sheathed flame- retardant Power Cable Laid in indoor, tunnels and mines. Cable can bear outer mechanic force and fairly large tractional force.
YJV42 ZR-YJV42 YJLV42 ZR-YJLV42 Cu(Al)Core, XLPE Insulated, Steel Wire Armored and PVC Sheathed Power Cable Cu(Al)Core, XLPE Insulated, Steel Wire Armored and PVC Sheathed flame- retardant Power Cable Can be laid in vertical section, indoor, tunnels and mines. Cable can bear outer mechanic force and very large tractional force.


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