Nexans Buflex SCBuflex® SC

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

Buflex SC5. 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 page 3.1 E 
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 
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