Low Smoke Halogen Free Flat Cables
‘LSHF’ Flat cables can be used on Festoon systems on cranes and handling
equipment in special applications where halogen free & low smoke materials are
required. e.g Nuclear power plants & underground installations.
Design
1. Conductor : Flexible plain copper class 5 IEC 60228
2. Insulation : Halogen Free Compound
3. Outer sheath : Polyolefin Halogen Free Compound Colour: black
Cores identification
4 cores: black – grey – green/yellow – brown
5 cores: black – grey – green/yellow – brown – blue
> 5 cores: black with white printed numbers – green/yellow
Electrical and Thermal properties
| Nominal voltage | Uo/U | 0.6/1 kV |
| Maximum operating voltage in AC systems | Um | 1.2 kV |
| Test voltage | 3.5 kV – 50 Hz in AC | |
| Max. temperature at the conductor: | ||
| – In service | + 90 °C | |
| – in short circuit | + 250 °C | |
| Max. surface temperature: | ||
| – fixed installation | – 40 °C up to + 60 °C | |
| – mobile operation | – 25 °C up to + 60 °C | |
