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 | Cables for signalling systems. instrumentation and control of electrical mechanisms, grouped in individual shielded pairs. Maximum rated voltage 500 V (peak value. not for power supply). Indicated for fixed installations. indoor or outdoor, protected or not. |
| Cable Designation | Cu / PVC / Al Screen / Al Screen / PVC Cu / PE / Al Screen / Al Screen / PVC Cu / XLPE / Al Screen / Al Screen / PVC Cu / XLPE / Al Screen / Al Screen / 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. |
| Shield (Pair) | Aluminium / polyester tape applied helically with an overlap. 2A 0.5 mm tinned copper drain wire is applied under the tape. |
| Core assembly | Concentric layers. |
| Core wrapping | Dielectric tape. helically applied with an overlap. |
| Shield (screen) | Aluminium / polyester tape applied helically with an overlap. 2A 0.5 mm tinned copper drain wire is applied under the tape. |
| Over sheath (jacket) | Extruded PVC or LSHF – Low Smoke Halogen Free thermoplastic compound. Fire retardant. |
