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ENERGEX® CN 25 kV 133% Al Full Neutral (URD)

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ENERGEX® CN 25 kV 133% Al Full Neutral (URD) CN Primary Distribution Cables 15 to 46 KV
REFERENCES
ENERGEX® CN
 Standards
Description
Characteristics
Related Information
Standards
National  CSA C68.5
Description

Nexans ENERGEX® CN Distribution Cables are single conductor concentric neutral power cables available in voltage classes from 15 kV to 46 kV.  These cables are manufactured using the latest in clean compound handling technology.  ENERGEX® CN has a semiconducting crosslinked polyolefin (XLPO) conductor shield, a tree retardant crosslinked polyethylene (TRXLPE) insulation and a strippable semiconducting crosslinked polyolefin (XLPO) insulation shield.  For single phase systems the conductance of the neutral is equivalent to that of the phase conductor. 

These cables are LEAD FREE and RoHS compliant. 

 


Application

ENERGEX® CN Distribution Cables are suitable for use above ground in open air, in conduit in air, directly buried, in underground duct, or aerially when suspended on a messenger wire.   While suitable for use in cable tray in a typical Utility installation, ENERGEX® CN is not TC rated and cannot be used in cable tray in an installation subject to the requirements of the Canadian Electrical Code.  ENERGEX®  CN cables are suitable for continuous operation at 90ºC wet or dry, and are sunlight resistant.


Related documents
  Concentric Neutral Design Options  (24.2kb)
  Concentric Neutral Insulation System   (60.8kb)
  Concentric Neutral Jacket Thickness & Test Voltage  (20.7kb)
  Concentric Neutral Installation  (23.1kb)
  Concentric Neutral Field Testing  (85.6kb)



 TOP
Characteristics
Construction characteristics
Conductor material Aluminium  
With smaller neutral conductor No  
Electrical characteristics
Operating voltage 25kV  

 TOP
CN 25 kV 133% Al Full Neutral (URD) Physical Data

Conductor
Size

Stranding
(No of
Wires)

Insulation
Diameter

Concentric
Neutral*

Minimum
Jacket
Thickness
(mm)

Approx
Jacket
Diameter
(mm)

Approx
Cable
Weight
(kg/km)

AWG/
kcmil

mm²

Nom
(mm)

No of
Wires

AWG

 

 

 

 

 

 

 

 

 

1

42.4

solid

24.7

13

14

1.14

32.5

1131

1

42.4

18

25.0

13

14

1.14

32.8

1146

 

 

 

 

 

 

 

 

 

1/0

53.5

solid

25.6

16

14

1.14

33.4

1250

1/0

53.5

18

25.8

16

14

1.14

33.7

1272

 

 

 

 

 

 

 

 

 

2/0

67.4

18

26.9

20

14

1.14

34.7

1421

3/0

85.0

18

28.1

16

12

1.14

37.3

1704

4/0

107

18

29.4

20

12

1.14

38.6

1935

 

 

 

 

 

 

 

 

 

250

127

35

30.7

16

10

1.14

41.0

2411

300

152

35

32.0

18

10

1.14

42.3

2656

350

177

35

33.2

20

10

1.78

44.9

3006

* The number of wires is increased where necessary to comply with the CSA 7.0 mm maximum 
   CN wire-to-wire spacing limit.


CN 25 kV 133% Al Full Neutral (URD) Electrical Properties

Conductor
Size

Stranding
(No of
Wires)

DC
Resistance
20°C
(Ω/km)

AC***
Resistance
90°C
(Ω/km,
60 Hz)

Inductive
Reactance***
(Ω/km,
60 Hz)

Capacitance
(μF/km)

Capacitive
Reactance
(MΩ∙km,
60 Hz)

AWG/
kcmil

mm²

1

42.4

solid

0.6664

0.8545

0.2155

0.1156

23000

1

42.4

18

0.6798

0.8716

0.2148

0.1178

22500

 

 

 

 

 

 

 

 

1/0

53.5

solid

0.5282

0.6773

0.2131

0.1237

21500

1/0

53.5

18

0.5388

0.6909

0.2125

0.1262

21000

 

 

 

 

 

 

 

 

2/0

67.4

18

0.4275

0.5482

0.2098

0.1349

19700

3/0

85.0

18

0.3391

0.4350

0.2056

0.1453

18300

4/0

107

18

0.2689

0.3450

0.2027

0.1558

17000

 

 

 

 

 

 

 

 

250

127

35

0.2275

0.2921

0.1983

0.1674

15800

300

152

35

0.1897

0.2436

0.1956

0.1778

14900

350

177

35

0.1626

0.2090

0.1932

0.1864

14200

*** AC resistance, including skin effect, and inductive reactance are calculated 
for one isolated cable in duct, or in air or direct burial.


 TOP
   Concentric Neutral Design Options (24 kB)
   Concentric Neutral Insulation System  (60 kB)
   Concentric Neutral Jacket Thickness & Test Voltage (20 kB)
   Concentric Neutral Installation (23 kB)
   Concentric Neutral Field Testing (85 kB)



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