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Industrial cables (≤1kV)
LV industrial cable Standard
Low smoke & fire resistant
Multi-purpose power cable
Low smoke, flame & fire retardant
Home  >  > Indoor cabling  > Industrial cables (≤1kV)  > Low smoke & fire resistant  > ALSECURE® BS8436 NXS 2,3,4 core, 1.5-6mm

ALSECURE® BS8436 NXS 2,3,4 core, 1.5-6mm

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ALSECURE® BS8436 NXS 2,3,4 core, 1.5-6mm Multipurpose protected low smoke halogen free wiring cable
Standards
National  BS 8436
Description

Description

Nexans NXS pre-wired conduit is a 600/1000v rated range of cable that has been tested to BS8436 and meets all the performance and material requirements of this standard. 

Applications

Multipurpose including partitioned walls and voids. For power, lighting and control circuits. Fail safe, will operate a 32A Type B MCB circuit breaker when penetrated by a sharp object.

Benefits

Installed benefits compared to traditional fixed wiring installations include: Large time/cost savings, much lighter and smaller compared to SWA

Design

1. Conductor

  • XLPE insulated stranded copper

2. Uninsulated protective conductor

  • Uninsulated tinned copper earth conductor

3. Screen

  • Bonded Aluminium Screen

5. Outer sheath

  • Low smoke halogen free UV stable

 

Marking

ALSECURE NXS Pre wired conduit cable

 

Core Identification and Range

All available in sizes 1.5 - 6mm

  • 2 cores and earth: brown - blue
  • 3 cores and earth: brown - black - grey
  • 4 cores and earth: brown - black - grey - blue

Nominal Dimensions

2 Core & Earth

1.5mm = 9.3mm  

2.5mm = 10.1mm

4mm = 11.7mm

6mm = 12.5mm

 

3 Core & Earth

1.5mm = 9.6mm

2.5mm = 10.5mm

4mm = 12.4mm

6mm = 13.8mm

 

4 Core & Earth

1.5mm = 10.4mm

2.5mm = 11.5mm

4mm = 13.6mm

6mm = 16.4mm

Installation

Standard stuffing glands can be used.  The wiring regulations BS7671 should be adhered to at all times.  NXS can be installed in cable trays and baskets, direct on most surfaces and behind plaster.  Indoors and outside.

 

Bending radius: 6D

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Characteristics
Construction characteristics
Halogen free Yes  
Usage characteristics
Flame retardant BS EN60332-1-2  
Smoke density EN 50268-2  
Gases toxicity BS EN50267-2-1  
Operating temperature, range -30 .. 90°C  
Electro magnetic interference resistance Yes  

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Chemical resistance  
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Select all Items Nexans ref. Name Chemical resistance
2x1.5NXSWHITE100   New ALSECURE® NXS 2 x 1.5mm Very good
2x2.5NXSWHITE100   New ALSECURE® NXS 2 x 2.5mm Very good
2x4NXSWHITE100   New ALSECURE® NXS 2 x 4.0mm Very good
2x6NXSWHITE100      New ALSECURE® NXS 2 x 6.0mm Very good
3x1.5NXSWHITE100   New ALSECURE® NXS 3 x 1.5mm Very good
3x2.5NXSWHITE100   New ALSECURE® NXS 3 x 2.5mm Very good
3x4NXSWHITE100   New ALSECURE® NXS 3 x 4.0mm Very good
3x6NXSWHITE100   New ALSECURE® NXS 3 x 6.0mm Very good
4x1.5NXSWHITE100   New ALSECURE® NXS 4 x 1.5mm Very good
4x2.5NXSWHITE100   New ALSECURE® NXS 4 x 2.5mm Very good
4x4NXSWHITE100   New ALSECURE® NXS 4 x 4.0mm Very good
4x6NXSWHITE100   New ALSECURE® NXS 4 x 6.0mm Very good
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Current Ratings
NXS Current ratings

Clipped direct

 

 

 

Area

2 core cable, 
single phase AC or DC

3 or 4 core cable,
 three phase AC

sq.mm

Current 
rating 
amp

Volt drop 
mV per 
amp per 
m

Current 
rating 
amp

Volt drop 
mV per 
amp per 
m

1

19

46

17

40

1.5

24

31

22

27

2.5

33

19

30

16

4

45

12

40

10

6

58

7.9

52

6.8

On cable tray

 

 

 

 

Area

2 core cable, 
single phase AC or DC

3 or 4core cable, 
three phase AC

sq.mm

Current 
rating 
amp

Volt drop 
mV per 
amp per 
m

Current x
rating 
amp

Volt drop 
mV per 
amp per 
m

1

21

46

18

40

1.5

26

31

23

27

2.5

36

19

32

16

4

49

12

42

10

6

63

7.9

54

6.8

Current ratings are based on a "single circuit"in accordance with 
the IEE Wiring Regulations BS7671, Table 4E2A. Where a 
conductor operates at a temperature exceeding 70°C it shall be 
ascertained that the equipment connected to the conductors is 
suitable for the conductor operating temperature. (BS7671 reg 512-02). 
The above-tabulated current ratings should be multiplied by the rating 
factor (0.8) when conductor-operating temperature has not to exceed 
a recommended terminal temperature of 70°C.


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Correction rating for grouping

No of Cables

2

3

4

5

6

8

10

12

Clipped direct

0.8

0.7

0.65

0.6

0.57

0.52

0.48

0.45

On cable tray

0.86

0.81

0.77

0.75

0.74

0.73

0.71

0.7


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Electrical Data
Electrical Data for NXS

Area mm2

Max DC Resistance 

Nom AC resistance 

Inductive reactance 

Short circuit rating 

 

ohms/KM @ 20oC

ohms/km @90oC @ 50Hz

ohms/km @ 50Hz

in KA for 1 second

1.5

12.1

15.3

0.1

0.21

2.5

7.41

9.43

0.097

0.35

4

4.61

5.86

0.092

0.57

6

3.08

3.93

0.088

0.85


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Temperature Correcting factors NXS

Ambient Temp oC

25

35

40

45

50

55

60

65

70

75

80

85

Fuse to BS88 or BS1361 or circuit breakers to BS3871 or BS60898

1.02

0.96

0.91

0.87

0.82

0.76

0.71

0.65

0.58

0.5

0.41

0.29

Semi enclosed fuse to BS3036

1.02

0.98

0.95

0.93

0.91

0.89

0.87

0.85

0.79

0.69

0.56

0.39


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