Cu – PVC or PE or XLPE – Al Screen – PVC or LSHF
Cu – PVC or PE or XLPE – Al Screen – PVC or LSHF STA or SWA – PVC or LSHF BS 5308-IEC
| Application | Armoured cables for signalling systems, instrumentation and control of electrical mechanisms grouped in pairs. Maximum rated voltage 500 V (peak value, not for power supply), Indicated for fixed installations, indoor or outdoor, protected or not. Can be installed directly or buried. |
| Cable Designation | Cu / PVC / Al Screen / PVC / STA (Steel tape armour) / PVC Cu / PVC / Al Screen / PVC / SWA(Steel wire armour) / PVC Cu / PE / Al Screen / PVC / STA (Steel tape armour) / PVC Cu / PE / Al Screen / PVC / SWA(Steel wire armour) / PVC Cu / XLPE / Al Screen / PVC / STA (Steel tape armour) / PVC Cu / XLPE / Al Screen / PVC / SWA(Steel wire armour) / PVC Cu / XLPE / Al Screen / LSHF / STA (Steel tape armour) / LSHF Cu / XLPE / Al Screen / LSHF / SWA(Steel wire armour) / LSHF |
| Construction Characteristics | |
| Conductor | Rigid (class 2) of flexible (class 5) copper , sizes 0.5 mm ; 1.0 mm and 1.5 mm , as per IEC 60228 |
| Insulation | PVC. solid polyethylene or cross-linked polyethylene. |
| Arrangement (formation) | Stranded pairs. |
| Core assembly | Concentric layers. |
| Core wrapping | Dielectric tape, helically applied with an overlap. |
| Shield (screen) | Aluminium / polyester tape applied helically with an overlap. A 0.5 mm tinned copper drain wire is applied under the tape. |
| Inner sheath (jacket) | Extruded PVC or LSHF – Low Smoke Halogen Free thermoplastic compound |
| Armour | Two steel tapes armour or galvanised steel wire armour, helically applied. |
| Over sheath (jacket) | Extruded PVC or LSHF – Low Smoke Halogen Free thermoplastic compound. |
