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Item Unit

1 General

1.1 Manufacturer Name

1.2 Job No.

1.3 LOI No.

1.4 Equipment No.

1.5 Location

1.6 Height above MSL

1.7 Design ambient temperature oC

1.8 Design relative humidity %

1.9 Plant atmospheric condition

2 Requisition Data Sheet No.3 Major Parameters

3.1 Type

3.2 Application

3.3 Standard applicable

3.4 Voltage grade

3.5 Fault level

3.6 System Earthing

3.7 Suitable for system

a) Earthed

b) Unearthed

c) Short circuit current for 0.25 sec kA

d) Earth fault current for 1 sec kA

3.8 Value of oxygen index oC

3.9 Chemical added to protect cable against rodent

and termite attack

3.10 Sequential embossing of length provided on

outer sheath at every one meter 

3.11 PVC rubber end caps provided3.12 End of cable sealed with caps to avoid ingress of 

water during transportation and storage

4

0.25 (For 3 Core Combined)

29 at 27 2oC

Yes

 Yes (By Printing)

 Yes (PVC end Cap) Yes

40 kA for 3 secs (System Fault Level)

Resistance Earthed

No

Yes

40

D1(3C X 240 SQ.MM)

E2 (XLPE/PVC/GSS/FRLS-PVC)

HV Power Cable

IS:7098P-II/85

6.6 kV (UE)

Technical Specification Of 3CX240 SQMM 6.6KV (UE) cable

Outdoor 

1000m

50

90

Corrosive, Contaminated with

Balance Data to be filled by the Vendor 

3C X 240 SQ.MM

N/A

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4.1 Material

4.2 Number of wires

4.3 Shape

4.4 Standard applicable

4.5 Conductor Temparaturei) Rated 0

C

ii) During Short Circuit 0C

5 Inner sheath5.1 Standard applicable

5.2 Type

5.3 Material

5.4 Extruded

5.5 Minimum thickness mm

5.6 Colour scheme for identification

6 Insulation6.1 Type

6.2 Material

6.3 Colour scheme for identification

6.4 Insulation thickness mm

6.5 Standard applicable

6.6 Screening

6.7 Type of Screening7Armouring7.1 Type of material

7.2 Nominal diameter of wire mm

7.3 Thickness of strips

7.4 Standard applicable

8Outer sheath8.1 Type

8.2 Colour 

8.3 Material

8.4 Thickness

a) Nominal mm

b) Minimum mm

Black

PVC

N/A

2.52

Galvanised steel Strips

N/A

4.0 X 0.8

IS:3975

FRLS ST2(with anti-rodent & anti-termite

RED, YELLOW, BLUE colour strip shall be

3.6(nom.)

IS:7098P-II/85

 Yes

Conductor Screen: Extruded

 Yes

As per IS:7098P-II

Black

Extruded

Cross Linked Polyethylene

90

250

IS:5831

ST-2

PVC

Aluminium

37

Circular 

IS:8130/84

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8.5 Extruded

9 Dimension9.1 Nominal overall diameter of cable mm

9.2 Calculated diameter under armour mm

9.3 Nominal diameter under outer sheath mm

9.4 Calculated diameter under outer sheath mm

10 Screening /shielding10.1 Over conductor 

10.2 Over insulation

11 Technical parameters11.1 Resistance of each conductor per 1000 meters

length of complete cable

a) Maximum DC resistance at 20oC W

b)

 A.C. resistance at 70

o

CW

11.2 Continuous AC current rating of cable

a) When laid direct in ground Amp

b) When laid in ducts Amp

c) When laid in air Amp

11.3 Equivalent star reactance per 1000 meter length

of cable at 50 Hz.W

11.4 Minimum volume resistivity of insulation

11.5 Maximum permissible short circuit current for 

duration of one second

11.6 Voltage drop per 1000 meter/amp length of  

cable

a) When laid direct in ground Volt

b) When laid in ducts Volt

c) When laid in air Volt

11.7  Approximate net weight per 1000 meter length

of cable

kg

11.8 Standard length of cable m

11.9 Maximum tolerance on total length of cable of 

each type

%

11.10 Maximum tolerance on individual drum %

12 Insulation resistance12.1 Core to core MW/km Volume Resistivity of Each Core 1 X 10

14

86

123

6300

As per Drum Schedule

+/-5%

+/-5%

0.085

1x10¹4

at 270C & 1x10¹² at 90

0C

22.6 kA (For Conductor)

98

315

275

395

Extruded Semiconducting Compound

Extruded Semiconducting Compound

0.125

0.16

71.1

61.2

65.1

62.8

 Yes

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12.2 Core to screen MW/km

13 Drum dimensions

13.1 Approximate overall height of drum mm

13.2 Approximate gross weight of drum kg

13.3 Approximate outer diameter of drum mm

13.4 Minimum bending radius for laying of cables mm

14 Recommended pulling force

14.1 When conductor pulled by pulling eye kgf 

14.2 When cable pulled with stocking kgf 

15High Voltage Withstand Test Values

15.1 Power Frequency Withstand Voltage kV

15.2 Impulse Withstand Voltage kV

15.3 DC Withstand Voltage V

16 Additional Informations16.1 FRLS Tests

a) Min. Oxygen Index test as per ASTM-D-2863 deg.C

b) Min. Temp. index as per ASTM-D-2863 deg.C

c) Max. Smoke density rating as per ASTM-D-2843 %

d) Max. Halogen acid gas evolution as per IEC-754-I %

e) Flammability test

16.2 Marking on outer sheath

60

20 by weight 

Applicable,

75

Not Applicable

29 at 27 + 20C

250

15 Times of the cable OD.

30N/MM²

9 X D2

17 kV for 5 Minutes

 

(Ohm-cm) at 270C & 1 X 10

12(Ohm-cm) at

2100

3700

Refer S.No. 13.1 above