optical fibre cables
multitube armoured optical cables "loose" fire resistant IEC 60331-25
- Fibre: single mode optical fibre SM (see note 1)
- Tube: PBT tube jelly filled
- Stranding : tubes are stranded around a dielectric central member whit appropriate fire barrier
- Inner jacket : thermoplastic compound LSZH (M)flame retardant according to IEC 332-3 std. whit reduce emission of smoke and toxic and corrosive gasses according to IEC 754-1 std. and IEC 1034-1/2 std.
- Armour : single layer of galvanized steel wires
- Outer jacket : thermoplastic compound LSZH (M)flame retardant according to IEC 332-3 std. whit reduce emission of smoke and toxic and corrosive gasses according to IEC 754-1 std. and IEC 1034-1/2 std.
MARKING : METALLURGICA BRESCIANA + PART NUMBER
| DESCRIPTION |
N° FIBRE |
Ø EXTERNAL mm |
MIN BENDING RADIUS mm |
MAX PULLING TENSION N |
NOM CABLE WEIGHT kg/km |
OPERATING TEMPERATURE °C |
| TOL4D 16 4(4SM)VMFM |
16 |
18 |
325 |
2000 |
510 |
-20 ÷ +60 |
| TOL4D 24 4(6SM)VMFM |
24 |
18 |
325 |
2000 |
510 |
-20 ÷ +60 |
| TOL4D 32 4(8SM)VMFM |
32 |
18 |
325 |
2000 |
510 |
-20 ÷ +60 |
| TOL4D 40 4(10SM)VMFM |
40 |
18 |
325 |
2000 |
510 |
-20 ÷ +60 |
| TOL4D 48 4(12SM)VMFM |
48 |
18 |
325 |
2000 |
510 |
-20 ÷ +60 |
NOTE:
1) -Also available whit MM 50/125/250 μm MM-62.5/125/250 μm
- The fibres and the tubes are distinguished by colour coding
