Building Wires - Twin + Earth, and 3 Cores + Earth

Application:

Easy-tear sheath for general wiring, unenclosed, closed in conduit buried direct or in underground ducts for domestic, commercial and industrial installations where not subject to mechanical damage.

Conductor:

Plain annealed copper (AS/NZS 1125)

Insulation:

PVC V90

Sheath:

3V-90 Easy-tear White

Voltage:

450/750 V

 

 

Packing Length:

100m, 500m

Normal Operating Temperature:

75°C

Core Colours:

Red, Black & Green/Yellow

Red, Blue, White & Green/Yellow

Typical Features

Electra Cables
Part No.

Stranding
No./mm

Insulation
Thick
mm

Sheath
Thickness
mm

Nom. O/D
mm

Min. Installed
Bending Radius mm

Approx.
Mass
Kg/Km

Order
Now

Minor

Major

SRF3010V

2x1/1.13 + E 7/0.50E

0.6

0.9

9.0x4.3

20

40

90

 

SRF3015V

2x7/0.50+7/0.50E

0.6

0.9

10x4.7

20

45

110

 

SRF3025V

2x7/0.67+7/0.67E

0.7

1

12.4x5.6

25

50

165

 

SRF3040V

2x7/0.85+7/0.67E

0.8

1.1

14.2x6.4

30

60

200

 

SRF3060V

2x7/1.04+7/0.67E

0.8

1.1

15.3x7.1

30

70

285

 

SRF3100V

2x7/1.35+7/0.85E

1

1.2

18.9x8.7

35

85

425

 

SRF3160V

2x7/1.70+7/1.04E

1

1.3

21.8x9.9

40

95

610

 

SRF4015V

3x7/0.50+7/0.50E

0.6

0.8

12.5x4.5

20

55

145

 

SRF4025V

3x7/0.67+7/0.67E

0.7

1

15.9x5.6

25

70

190

 

Current Rating and Electrical Characteristics

ConductorCurrent Rating (a)Electrical Characteristics

Nominal
Area2

Unenclosed Touching

Surrounded
by thermal
Insulation

Buried
in
Ducts

Maximum DC Resistance @
20°C ©/Km

Maximum AC
Resistance @
20°C ©/Km

Resistance ©/Km

(b) 3 Phase Voltage
Drop Touching
@90°C mV/A.m

1

12

6

15

18.1

25.8

0.119

44.7

1.5

15

8

19

13.6

16.5

0.111

28.6

2.5

22

11

26

7.41

9.01

0.102

15.6

4

29

15

34

4.61

5.61

0.102

9.71

6

37

19

43

3.08

3.75

0.0967

6.49

10

51

25

57

1.83

2.23

0.0906

3.86

16

68

34

74

1.15

1.4

0.0861

2.43

(a)

Based on 40°C ambient air temperature and where applicable, burial depth of 0.5m, soil temperature of 25°C and soil resistivity of 1.2°C m/W.

(b)

For single phase voltage drop, multiply by 1.155

 

The above information is from the following sources: AS/NZ 3008.1.1 and

 

AS/NZ 3008.1.1
AS/NZS 1125 For current rating using other installation conditions refer to AS/NZS3008.1.1

 

Do not install in direct contact with polystyrene or polyurethane insulation materials