S15 BFOU-HCF(i) 250 V Applications
These cables are fire resistant, flame retardant, low smoke and halogen free, used for emergency instrumentation, communication, control and alarm systems that need to be operational during a 1100℃ hydrocarbon fire.
S15 BFOU-HCF(i) 250 V Standards
| IEC 60092-376 | IEC 60092-351 |
| IEC 60092-359 | IEC 60332-1 |
| IEC 60332-3-22 | IEC 60754-1,2 |
| IEC 61034-1,2 | NEK 606:2004 |
| IEC 60331-21 |
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S15 BFOU-HCF(i) 250 V Construction
- Conductors : Circular tinned annealed stranded copper wire to IEC 60228 class 2.
- Insulation : Mica tape + Halogen free EPR compound.
- Twinning : Colour coded cores twisted together.
- Individual Shielding : Each pairs/triples are screened by copper backed polyester tape in contact with a stranded tinned copper drain wire and wrapped with polyester tape. Pairs/triples are numbered with numbered tape or by numbers printed directly on the insulated conductors.
- Bedding : Halogen free compound.
- Armour : Tinned copper wire braid.
- Outer Sheath1 : Halogen free thermosetting compound, SHF2.
- HC-fire protection : Extruded thermoplastic fire protection compound.
- Taping : Lapped glass fibre tape.
- Outer Sheath2 : Flame retardant halogen-free thermoplastic compound, type SHF1, coloured grey (blue for intrinsically safe).
S15 BFOU-HCF(i) 250 V Electrical Characteristics
| Nominal Cross Section Area | mm² | 1.5 |
| Nominal Conductor Diameter | mm | 1.6 |
| Maximum Resistant@20℃ | Ω/km | 12.9 |
| Mutual Capacitance | nF/km | 100 |
| Nominal Inductance@1KHz | MH/km | 0.673 |
| Operating Voltage | V | 250 |
Mechanical and Thermal Properties
- Bending Radius : 20×OD (during installation); 12×OD (fixed installed).
- Temperature Range : -20℃ ~ +90℃.
S15 BFOU-HCF(i) 250 V Dimensions and Weight
| Construction No. of elements×No. of cores in element×Cross section (mm²) | Nominal Insulation Thickness mm | Nominal Diameter Over Bedding mm | Nominal Diameter Over Sheath1 mm | Nominal Overall Diameter mm | Nominal Weight kg/km |
| 1×2×1.5 | 0.7 | 9.0 | 13.1 | 39.5 | 1880 |
| 2×2×1.5 | 0.7 | 13.0 | 16.8 | 44.5 | 2450 |
| 4×2×1.5 | 0.7 | 15.0 | 20.7 | 47.5 | 2830 |
| 8×2×1.5 | 0.7 | 21.0 | 26.4 | 54.0 | 3690 |
| 12×2×1.5 | 0.7 | 25.0 | 31.2 | 63.0 | 5200 |
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