Reeling Cables with integrated Optical Fibres up to 12/20 (24) kV up to 12/20 (24) kV
Applications
Cables with reinforced polyurethan sheath are especially designed for reeling and tunelling applications. Also used for grabs unloaders.
Design
1. Conductor : Flexible plain copper class 5; IEC 60228
2. Semi conductive layer
3. Insulation : EPR
4. Semi conductive layer
5. Protective earth conductor : Flexible plain copper class 5 IEC 60228
6. Semi-conductive : On earth conductor
7. Optical Fibers Element : Multimode 62.5/125 μm
8. Outer sheath
PUR double layer with anti twisting reinforcement
Colour: red
Marking
BUFLEX SEM OFE – Voltage
Number of cores – cross-section
NEXANS – year – week
Core Identification
Six cores design:
– 3 phase cores
– 2 protective earth cores
– 1 optical fiber element
Standards
Nexans specification
Mechanical properties
| Max. tensile load | 20 N/mm2 of copper cross section |
| Tests | alternating/reversed bending test, torsional resistance test |
| Reeling speed | up to 120 m/min (for higher speed contact us) |
Chemical properties
Oil resistant.
For outdoor applications. Moisture, UV and ozone resistance.
Electrical, Optical and Thermal properties
| Nominal voltage | Uo/U | 3.6/6 kV to 12/20 kV |
| Maximum operating voltage in AC systems | Um | 1.2 x U |
| Test voltage | 3.5 x Uo in AC | |
| Current rating (A) | see electrical characteristics page 3.2 B | |
| Max. temperature at the conductor: | ||
| – in service | + 90 °C | |
| – under short-circuit conditions | + 250 °C | |
| Max. surface temperature: | ||
| – fixed installation | – 40 °C up to + 80 °C | |
| – mobile operation | – 25 °C up to + 80 °C | |
BUFLEX® SEM OFE
| Number of cores and nominal cross-section | Outer diameter | Weight approx. | Tensile load | |
| (mm2) | Min.(mm) | Max.(mm) | (kg/km) | (N) |
| 3.6/6 (7.2) kV | ||||
| 3 x 25 + 2 x 10 + OFE | 35 | 38 | 1,900 | 2,100 |
| 3 x 35 + 2 x 16 + OFE | 38 | 41 | 2,300 | 2,700 |
| 3 x 50 + 2 x 16 + OFE | 41 | 44 | 2,860 | 3,600 |
| 3 x 70 + 2 x 25 + OFE | 45 | 48 | 3,800 | 5,160 |
| 3 x 95 + 2 x 25 + OFE | 49.5 | 53 | 4,700 | 6,600 |
| 3 x 120 + 2 x 35 + OFE | 54 | 57.5 | 5,900 | 8,700 |
| 3 x 150 + 2 x 35 + OFE | 57.5 | 61.5 | 6,950 | 10,500 |
| 6/10 (12) kV | ||||
| 3 x 25 + 2 x 10 + OFE | 35 | 38 | 1,900 | 2,100 |
| 3 x 35 + 2 x 16 + OFE | 38 | 41 | 2,300 | 2,700 |
| 3 x 50 + 2 x 16 + OFE | 41 | 44 | 2,860 | 3,600 |
| 3 x 70 + 2 x 25 + OFE | 45 | 48 | 3,800 | 5,160 |
| 3 x 95 + 2 x 25 + OFE | 49.5 | 53 | 4,700 | 6,600 |
| 3 x 120 + 2 x 35 + OFE | 54 | 57.5 | 5,900 | 8,700 |
| 3 x 150 + 2 x 35 + OFE | 57.5 | 61.5 | 6,950 | 10,500 |
| 8.7/15 (18) kV | ||||
| 3 x 25 + 2 x 10 + OFE | 35 | 38 | 1,900 | 2,100 |
| 3 x 35 + 2 x 16 + OFE | 38 | 41 | 2,300 | 2,700 |
| 3 x 50 + 2 x 16 + OFE | 41 | 44 | 2,860 | 3,600 |
| 3 x 70 + 2 x 25 + OFE | 45 | 48 | 3,800 | 5,160 |
| 3 x 95 + 2 x 25 + OFE | 49.5 | 53 | 4,700 | 6,600 |
| 3 x 120 + 2 x 35 + OFE | 54 | 57.5 | 5,900 | 8,700 |
| 3 x 150 + 2 x 35 + OFE | 57.5 | 61.5 | 6,950 | 10,500 |
| 12/20 (24) kV | ||||
| 3 x 25 + 2 x 10 + OFE | 44 | 47 | 2,650 | 2,100 |
| 3 x 35 + 2 x 16 + OFE | 44.5 | 47.5 | 2,900 | 2,700 |
| 3 x 50 + 2 x 16 + OFE | 45.5 | 49 | 3,300 | 3,600 |
| 3 x 70 + 2 x 25 + OFE | 49.5 | 53 | 4,300 | 5,160 |
| 3 x 95 + 2 x 25 + OFE | 53 | 56.5 | 5,100 | 6,600 |
