Flexible Single Core Cables 1.8/3 (3.6) kV up to 12/20 (24) kV
Applications
Flexible single core cables designed for mobile applications (e.g. reels and/or festoons).
Design
1. Conductor : Flexible, plain copper Class 5 IEC 60228
2. Semi conductive layer
3. Insulation : EPR
4. Semi conductive layer
5. Screen : Copper braid or spinning
6. Outer sheath : PUR
Colour: red
Marking
BUFLEX SC – Voltage 1 x cross-section NEXANS – year – week
Core Identification
Single core design
Standards
Nexans specification
Mechanical properties
| Max. tensile load | . 20 N/mm2 |
| Bending radii | see construction characteristics |
| Tests | Bending test, torsional resistance test |
| Reeling speed | up to 60 m/min |
Chemical properties
Oil resistant.
For indoor and outdoor applications. Moisture, UV and ozone resistance.
Electrical and Thermal properties
| Electrical and Thermal properties | Excellent EMC compatibility due to 6 core design and reduced production tolerances acc. to DIN VDE 250 part 1 . |
| Nominal voltage | Uo/U |
| Maximum operating voltage in AC systems | Um |
| Test voltage | 2 x Uo between conductor and screen in AC |
| 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 | – 30 °C up to + 80 °C |
BUFLEX® SC
| Number of cores and nominal cross-section |
Outer diameter | Weight approx. |
Tensile load |
|
| (mm2) | Min. (mm) | Max. (mm) | (kg/km) | (N) |
1.8/3 (3.6) kV up to 8.7/15 (18) kV |
||||
| 1 x 25 | 17.5 | 19.5 | 550 | 500 |
| 1 x 35 | 19 | 21 | 680 | 700 |
| 1 x 50 | 20 | 22 | 880 | 1,000 |
| 1 x 70 | 22 | 24.5 | 1,170 | 1,400 |
| 1 x 95 | 24 | 26.5 | 1,500 | 1,900 |
| 1 x 120 | 26 | 28.5 | 1,840 | 2,400 |
| 1 x 150 | 28 | 30.5 | 2,230 | 3,000 |
12/20 (24) kV |
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| 1 x 25 | 21 | 23 | 660 | 500 |
| 1 x 35 | 21.5 | 23.5 | 780 | 700 |
| 1 x 50 | 22 | 24 | 950 | 1,000 |
| 1 x 70 | 24.5 | 26.5 | 1,250 | 1,400 |
| 1 x 95 | 26 | 28 | 1,570 | 1,900 |
| 1 x 120 | 27.5 | 30 | 1,900 | 2,400 |
| 1 x 150 | 29 | 31.5 | 2,300 | 3,000 |
Options
- 18/30 (36) kV cables can be manufactured on request
- Other colours on request
