Laying-up: cores are laid up together with a right-hand direction of lay, with non-hygroscopic filler where necessary to form a substantially compact and circular cross-section core assembly
Sheath: The laid-up core is sheathed with a continuous flame retardant polyvinylchloride compound PVC V90
Rated voltage: 0.6 / 1 kV
Conductor operating range: PVC insulated, -25oC ~ 75oC, max 90oC, short circuit temperature 160oC for 5 sec, XLPE insulated, -40oC ~ 90oC, short circuit temperature 250oC for 5 sec
Temperature at surface: In operation, -25oC ~ 90oC
Minimum ambient temp: 0oC, after installation and only when cable is in a fixed position
Minimum bending radius: Stranded conductors - 9 x cable O.D during installation 6 x cable O.D after installation. Compacted conductors 12 x cable O.D during installation 8 x cable O.D after installation
The maximum conductor temperatures specified are based on the properties of the insulation material but in practice may need to be de-rated to take account of joints and terminations as well as environmental conditions.
When installed in tunnels, they should be fixed on brackets and cannot bear large pulling tension or pressure. Thermoplastic PVC V90 insulation is subject to deformation at temperatures above 75oC.
World Wire Cables Pty Ltd is a complete wire and cable manufacturer and distributor with more than 15 years of experience in serving the Australian industrial electrical market.
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