PVC Insulated and Sheathed Power Cable of Good Quality

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Product Description:

PVC insulated and sheathed power cable

1.PRODUCT DESCRIPTION 

It is suitable for transmission line with a rated AC voltage U0/U 3.6/6KV and below.

Executive Standard: GB/T12706-2008 ,equivalent to IEC502(83)

Operational Performances:

1. Working temperature:

For general type, not over 70°C as the maximum

For 105°C flame-retardant material, not over 105°C as the maximum

For 135°C flame-retardant material, not over 135°C as the maximum

2. Lowest ambient temperature:-40°C for fixed laying,-20°C for non-fixed laying

3. Rated voltage U0/U:0.6/1kV, 3.6/6kV

2.MAIN TECHNICAL DATA

1,Material:

Table 1:Flame-retardant Technical Data of Varieties of Materials

Item

Technical Data

General flame-retardant PVC

Low smoke and low halogen material

Low smoke and halogen-free material

Oxygen index(%)

30-20

31-33

36-40

Smoke density

600

300

With flame:50

without flame:260

Hydrogen halide release (mg/g)

580

100

0.5

2,Product

Table 2:Main Performances of Product

Serial No.

Item

Performance

1

Structure

Attached Sketch*

2

Conductor resistance

As per GB3956-1996

3

Voltage-withstand test

 

No breakdown

4

Mechanical      

Tensile strength

Insulation

Min.12.5N/mm2

Sheath

Min.12.5N/mm2

Elongation at break

Insulation

Min.150%

Sheath

Min.150%  

Mechanical property after aging

Tensile strength

Insulation

100°C±2°C,Min. 12.5N/mm2 in 7 days

Sheath

100°C±2°C,Min. 12.5N/mm2 in 7 days

Change rate

Insulation

100°C±2°C,Max.±25% in 7 days

Sheath

100°C±2°C,Max.±25% in 7 days

Elongation at break

Insulation

100°C±2°C, Min.150% in 7 days

Sheath

100°C±2°C, Min.150% in 7 days

5

Flame-retardant feature

In compliance with GB/T12666.5-1990(Type CB) and IEC332-3 (Type CB)

6

Insulation resistance constant Ki MΩ·km

Minimum at 20°C

36.7

At 70°C

0.037

3,Color Code of Insulation Core: Complies with Requirements of National Standard GB6995.5-86

2-core

Red,Blue

4-core

Red,Yellow,Green,Blue

3-core

Red,Yellow,Green

5-core

Red,Yellow,Green,Black,Blue

4,Vary in cross-section area, the four and five's

3.Basic Type and designation

Type

Designation of product

VV

Cu core PVC insulated&sheathed power cable

VLV

Al core PVC insulated PVC sheathed power cable

VV22

Cu core PVC insulated&sheathed armored power cable

ZR105-VV

Cu core flame-retardant (105°C)PVC insulated&sheathed power cable

ZR135-VV

Cu core flame-retardant (135°C)PVC insulated&sheathed power cable

ZR105-VV22

Cu core flame-retardant(105°C)PVC insulated&sheathed armored power cable                

ZR135-VV22

Cu core flame-retardant(135°C)PVC insulated&sheathed armored power cable

ZR105-VLV22

Al core flame-retardant(105°C) PVC insulated&sheathed power cable

ZR135-VLV22

Al core flame-retardant(135°C)PVC insulated&sheathed power cable

ZR105-VDVD

Cu core low-smoke&halogen PVC insulated&sheathed power cable

ZR135-VDVD

Cu core low-smoke&halogen 135°C PO insulated&sheathed power cable

ZR105-VDVD22

Cu core low-smoke&halogen PVC insulated&sheathed steel tape armored power cable

ZR135-VDVD22

Cu core low-smoke&halogen 135°CPO insulated&sheathed steel tape armored power cable

VV32

Cu core PVC insulated&sheathed thin steel wire armored power cable

VV42

Cu core PVC insulated&sheathed thick steel wire armored porter cable

ZR105-VV32

Cu core flame-retardant (105°C)PVC insulated and sheathed thin steel wire armored power cable

4.CODE AND DEFINITION

Item

Code

Definition

Flame-retardant code

/

ZR

Non flame-retardant can he omitted

Flame-retardant

Insulation material

V

VD

PVC

Low-smoke & halogen material

Sheath material

V

VD

PVC

Low-smoke & halogen material

Armor material

22

32

42

Steel tape armor

Thin steel wire armor

Thick steel wire armor

Class of heat-resistance

70

90

105

135

Max. operating temp. is 70°C

Max. operating temp. is 90°C

Max. operating temp. is 105°C

Max. operating temp. is 135°C

Rated voltage

0.6/1kV 3.6/6kV

Rated voltage U0/U is 0.6/1kV

Rated voltage U0/U is 3.6/6kV

5.PICTURES

 

6.FAQ

Marking Examples:

Example 1:Copper-core PVC insulated and sheathed steel-tape armored 3+1 type, main core section is 50mm2 and that of neutral core is 25mm2, such power cable can be represented by: VV22 3X50+1X25

Example 2:Rated voltage is 0.6/1kV copper-core flame retardant(135°C)PVC insulated and sheathed, small-gauge steel wire armored, 4+1 type, main core section is 70mm2 and that of neutral core is 35mm2, such power cable can be represented by: ZR135-VV 0.6/1kV 4 X 70+1x35

Example 3: Rated voltage is 0.6/1kV, copper-core flame-retardant(105°C)PVC insulated and sheathed, steel tape armored, 3+2 type, main core section is 185mm2 and that of neutral core is 95mm2, such power cable can be represented by: ZR105 -VV22 0.6/1kV 3 X 185+2 x 95

Example 4: Rated voltage is 0.6/1kV, aluminum core PVC insulated and sheathed, 3+1 type, main core section is 50mm2 and that of neutral core is 25mm2, such power cable can be represented by: VLV 0.6/1kV 3 X 50+1 X 25


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