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35kV High-Quality ABC Cable for Substation Connection And Power Lines

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HD 626 Low Voltage Aerial Bundled Cable (ABC)​​ is a high-performance overhead power distribution solution engineered for architectural and urban infrastructure. Composed of ​H68-condition aluminum conductors​ with ​cross-linked polyethylene (XLPE) insulation, this cable integrates phase, neutral, and street-lighting conductors into a unified, corrosion-resistant bundle
. Designed for 600V phase-to-phase operations and temperatures up to ​90°C, it delivers ​30% faster installation, ​reduced tower load, and ​maintenance-free longevity​ in harsh environments
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35kV ABC Cable – High-Reliability for Substations & Renewable Energy

Product Overview

The 35kV High-Quality ABC Cable sets a new benchmark for reliability in substation applications, combining exceptional electrical performance with rugged durability.

Designed to withstand 50 kA/1s short-circuit currents – a critical safety feature for substation environments – this cable features weatherproof insulation and a compact design that reduces installation space by 30% compared to traditional substation cables.

A tinned copper shield provides superior EMI and RFI protection, ensuring stable operation in electrically noisy environments.

Fully compliant with IEC 60502 and IEEE 404 standards.


Product Specifications

Parameter Value
Rated Voltage 35 kV
Conductor Material Tinned copper
Insulation Resistance ≥100 GΩ at 20°C
Short-Circuit Current 50 kA / 1s
Sheath Material XLPE

Key Features

Weatherproof Construction

  • XLPE insulation – resistant to moisture, UV, chemicals

  • UV-resistant outer sheath + IP68 ingress protection

  • 40+ years service life in outdoor/underground substations, including coastal areas with high salt content

High Short-Circuit Capacity

  • Tinned copper conductor – excellent conductivity + corrosion resistance

  • Aluminum alloy armor – withstands extreme thermal/mechanical stress

  • Maintains integrity during faults – prevents catastrophic failures, reduces downtime

Space-Saving Design

  • Compact diameter ≤60 mm – simplifies routing in congested substations

  • Reduces installation complexity and costs by 15%

  • Bending radius – 10× cable diameter (600 mm for 60mm cable)


Applications

Sector Use Case
Substations Indoor/outdoor connections – transformers, circuit breakers, busbars
Renewable Energy Solar farms, wind parks – collection systems, grid connection
Industrial Mining, manufacturing, petrochemical – heavy machinery, distribution panels

FAQ

Q: What is the bending radius?
A: 10 × outer diameter (e.g., 600 mm for 60mm cable). Easy installation in confined spaces.

Q: Does it require special termination kits?
A: Yes. Recommend proprietary 35kV pre-molded terminations – factory-tested, reduce installation time by 50%, minimize failure risk.


Why Choose This 35kV ABC Cable?

Advantage Description
50 kA/1s short-circuit withstand Critical safety for substations
30% less installation space Compact design
40+ year service life Weatherproof XLPE + IP68
EMI/RFI protection Tinned copper shield
IEC 60502 & IEEE 404 compliant Internationally accepted


Cross Section

Conductor

Diameter

Thickness of Insulation

Core Diameter

Current Carrying Capacity

Breaking

Load

(mm²)

min.

tolerance

nom.

min.

min.

max.

(A*)

(kN)

(mm)

(mm)

(mm)

(mm)

(mm)


16

4.4

±0.05

1.4


7.1

7.3

70


25

5.9

±0.02

1.4


8.3

9.1

95


35

6.9

±0.02

1.6


9.7

10.5

115


50

8.1

±0.25

1.6


10.8

11.8

140


70

9.7

±0.25

1.8


12.8

13.8

180


120

12.8

±0.30

2.0


16.2

17.4

250


*  Defined  for  ambient  temperature  of 25℃  and  max.conductor  temperature  of 70℃.

Dimensions of Neutral Messenger Conductors

Cross Section

Conductor Diameter

Thickness of Insulation

Core Diameter

Current Carrying Capacity

Breaking Load

(mm²)

min.

tolerance

nom.

min.

min.

max.

(A*)

(kN)

(mm)

(mm)

(mm)

(mm)

(mm)


25

5.9

±0.02



5.5

6.3


7.4

35

6.9

±0.02



6.5

7.3


10.3

50

8.1

±0.25



7.6

8.6


14.2

70

9.7

±0.25



9.2

10.2


20.6

95

11.4

±0.30



10.8

12.0


27.9


Dimensions of Cable Bundle

Number of Phase Cores× Cross Section +Public Lighting Conductors

+ Neutral Cross Section

(mm²)

Bundle Diameter

Approx.

(mm)

1×16+25

15

3×16+25

22

4×16+25

22

3×25+35

26

4×25+35

26

3×35+50

30

3×50+70

35

3×70+95

41

3×120+95

47


application

packing


Code: ABC 0.6/1kV.

Standards:HD 626  S1:1996  Part5-Section D,AMKA(SFS     2200).

Construction: Phase  Conductors:Aluminum conductors with XLPE insulation.

Neutral Messenger:Aluminum conductors.

Application: Aerial Bundled Conductors are used for tributary networks of power buildings and their internal networks.

Installation: These cables are not allowed to be buried, even in conduits.

Dimensions of Phase Conductors

Cross Section

Conductor

Diameter

Thickness of Insulation

Core Diameter

Current Carrying Capacity

Breaking

Load

(mm²)

min.

tolerance

nom.

min.

min.

max.

(A*)

(kN)

(mm)

(mm)

(mm)

(mm)

(mm)


16

4.4

±0.05

1.4


7.1

7.3

70


25

5.9

±0.02

1.4


8.3

9.1

95


35

6.9

±0.02

1.6


9.7

10.5

115


50

8.1

±0.25

1.6


10.8

11.8

140


70

9.7

±0.25

1.8


12.8

13.8

180


120

12.8

±0.30

2.0


16.2

17.4

250


*  Defined  for  ambient  temperature  of 25℃  and  max.conductor  temperature  of 70℃.

Cross Section

Conductor Diameter

Thickness of Insulation

Core Diameter

Current Carrying Capacity

Breaking Load

(mm²)

min.

tolerance

nom.

min.

min.

max.

(A*)

(kN)

(mm)

(mm)

(mm)

(mm)

(mm)


25

5.9

±0.02



5.5

6.3


7.4

35

6.9

±0.02



6.5

7.3


10.3

50

8.1

±0.25



7.6

8.6


14.2

70

9.7

±0.25



9.2

10.2


20.6

95

11.4

±0.30



10.8

12.0


27.9

Dimensions     of     Cable     Bundle

Number of Phase Cores× Cross Section +Public Lighting Conductors

+ Neutral Cross Section

(mm²)

Bundle Diameter

Approx.

(mm)

1×16+25

15

3×16+25

22

4×16+25

22

3×25+35

26

4×25+35

26

3×35+50

30

3×50+70

35

3×70+95

41

3×120+95

47

LV-ABC Lines with Insulated Neutral Messenger

Code: ABC 0.6/1kV.

Standards:HD 626 S1:1996 Part 6-Section E,AMKA(SFS 2200)

Construction: Aluminum conductors with XLPE  insulation.

Application:Aerial Bundled Conductors are used for tributary networks of power     buildings and their internal networks.

Installation:These cables are not allowed to be buried,even in conduits.

Dimensions of Phase Conductors

Cross Section

Conductor

Diameter

Thickness of

Insulation

Core Diameten

Current Carrying Capacity

Breaking Load

(mm²)

min.

max.

nom.

min.

min.

max.

(A*)

(kN)

(mm)

(mm)

(mm)

(mm)

(mm)


16

4.6

5.1

1.2


7.0

7.8



25

5.8

6.3

1.4


8.6

9.4

112


35

6.8

7.3

1.6


10.0

10.9

138


50

7.9

8.4

1.6


11.1

12.0

168


70

9.7

10.2

1.8


13.3

14.2

213


95

11.0

12.0

1.8


14.6

15.7

258


120

12.0

13.1

1.8


15.6

16.7

306


150

13.9

15.0

1.7


17.3

18.6

344


* Defined for ambient temperature of 30℃ and max. conductor temperature of 90℃.

Dimensions of Neutral Messenger Conductors

Cross Section

Conductor

Diameter

Thickness of

Insulation

Core Diameter

Current Carrying Capacity

Breaking

Load

(mm²)

min.

tolerance

nom.

min.

min.

max.

(A*)

(kN)

(mm)

(mm)

(mm)

(mm)

(mm)


54.6

9.2

9.6

1.6


12.3

13.0


16.6

70

10.0

10.2

1.5


12.9

13.6


20.5

95

12.2

12.9

1.6


15.3

16.3


27.5

* Defined for ambient temperature of 30℃ and max.conductor temperature of 90℃.

Dimensions of Cable Bundle

Number of Phase Cores× Cross Section +Public Lighting Conductors

+Neutral Cross Section

(mm²)

Bundle Diameter

Approx.

(mm)

3×25+54.6

30.0

3×35+K×16+54.6

33.0

3×50+K×16+54.6

36.0

3×70+K×16+54.6

37.5

3×70+K×25+54.6

40.0

3×70+K×16+70

41.0

3×95+K×16+70

44.0

3×120+K×16+70

46.0

3×120+K×16+95

47.0

3×150+K×16+70

48.0

3×150+K×16+95

49.0

* Note: K number of public lighting conductors(K can be equal to 0.1.2.or 3).

Code: ABC 11kV.

Standards:SANS 1713.

Construction:Phase  Conductors:Aluminum conductors with XLPE insulation.

Neutral  Messenger:A  stranded  galvanized  steel  conductor  with  XLPE insulation.

Application: The Aerial Bundled Conductors shall suitable for continuous

operation outdoors in tropical areas at altitudes of up to 2200m above sea

level, humidity of up to 90%, average ambient temperature of+30℃ with

a minimum of - 1℃ and a maximum of +4℃ in direct  sunlight, heavy

saline  conditions  along  the  coast  and  isoceraunic  levels  of up  to  180

thunderstorm days per year.

Installation:These cables are not allowed to be buried,even in conduits.


Phase Conductor Characteristics

1

Conductor    size

mm²

70

95

185

2

Diameter    over    conductor.nominal

mm

9.3-10.2

11.6

16.4


3

Thickness   of   dielectric.nominal

mm

3.4

3.4

3.4

Minimum  at  a  point

mm

2.96

2.96

2.96

4

Diameter  over  insulation.  nominal

mm

16.1-17.0

21.3

25.9

5

Diameter  over  semi-conducting  core  screen.  nominal

mm

18.1-19

23.3

27.9

6

Thickness  of  copper  tape.nominal

mm

0.15

1.15

2.15


7

Thickness   of   sheath.nominal

mm

1.8

1.8

1.8

Minimum  at  a  point

mm

1.43

1.43

1.51

8

Catenary   size

mm²

50

50

70

9

Overall   diameter   of   bundle.nominal

mm

55.7

67.8

79.2

10

Nominal  mass

kg/m

2.64

3.25

4.65


Supporting Catenary Characteristics

1

Catenary size

mm²

50

70

2

Number of wires


7

7

3

Wire size(diameter)

mm

3.0

3.6

4

Minimum tensile strength of each wire

kN

9.26

13.13

5

Elongation at break. minimum

%

3.5

4.0


6

Thickness of protective covering




Nominal

mm

1.2

1.2

Minimum at a point

mm

0.96

1.96

7

Impusewhsandvoag        e1.250s


21kV/5min

21kV/5min


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