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HYAC 20pair telephone cable 0.5mm outdoor self supporting communication cable

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Product description

HYAC 20pair telephone cable 0.5mm outdoor self supporting communication cable

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Cable Construction

1.  Conductor                         : 99.9% pure annealed copper

 Diameter of wire                   : 0. 50mm

Tolerance                              : ± 0.01 mm

2 . Insulation                         : PE  Polyethylene

  Diameter of Insulation        : 0.89mm

Tolerance                              : ± 0.02 mm

Nominal thickness                : 0.195mm

3 Twisting pair                      : 2 x Insulated wire

 

Number of pairs

1

2

3

4

5

6

7

8

9

10

Insulation color coding

a

white

white

white

white

white

red

red

red

red

red

b

blue

orange

green

brown

gray

blue

orange

green

brown

gray

Number of pairs

11

12

13

14

15

16

17

18

19

20

Insulation color coding

a

Black

Black

Black

Black

Black

Yellow

Yellow

Yellow

Yellow

Yellow

b

blue

orange

green

brown

gray

blue

orange

green

brown

gray

Number of pairs

21

22

23

24

25

 

Insulation color coding

a

Violet

Violet

Violet

Violet

Violet

b

blue

orange

green

brown

gray

 

4 Cable Make-up                       : 2x12+13Pairs shall be form a 50-pairs supper unit

                                                                               NO.of Pairs in cable

Make-up

NO.of Pairs in spare per unit

NO.of unusable pairs allowed

NO. of unite in centre and successive layers

centre

1st Layer

2st Layer

10/0.50

2+8

----

----

0

0

20/0.50

1+6+13

----

----

0

0

30/0.50

8+9+8+5

----

----

0

0

50/0.50

2 x12+13

----

----

0

0

 

5 Colour of tape lappings within unit or a double unit for cables

Unit

Colour of tape lappings for supper Unit

NO.of unit

Colour of tape lappings

NO.of supper Unit

NO.of pairs

100pairs

50 pairs

1

White-blue

/

White

1~25

2

White-orange

26~50

 

6. Core Wrapping                  : The cable core shall be wrapped with a continuous  protective layer of one or two tapes , lapped Helically or laid longitudinally.

7. Rip Cord                           : Nylon Yarn

8. Moisture Barrier                : Longitudinally Overlapped Laminated Aluminum Tape

Nominal Thickness of AL      : 0.15±0.015 mm

The plastic layer                   Both sides with plastic coated of AL.

Nominal Thickness of Plastic0.05±0.01mm

9 Self-Support Cables: Per CW 1252. A 7-strand galvanized steel strand is used as support wire. Black polyethylene sheath covers both core and support wire in a figure-8 construction.

Cable size

galvanized steel strand Nominal SIZEmm

Nominal Thickness

±0.2mmmm

Outer Diameter   (Approx.) mm

10/0.50

7X1.0

1.4

5.5

20/0.50

7X1.0

1.4

5.5

30/0.50

7X1.0

1.4

5.5

50/0.50

7X1.0

1.4

5.8

 

11 the web The height of the web shall 3.1±1.0mm

The thickness of the web shall be 2.5±0.5mm for cables .

 

12 Outer Sheath                : LDPE (Black Colour)

Cable size

Nominal Thicknessmm

Min. Thickness at any pointmm

Outer Diameter   (Approx.) mm

10/0.50

1.60

1.12

10.2×18.8

20/0.50

1.60

1.12

12.41×21.01

30/0.50

1.60

1.12

14.11×23.01

50/0.50

1.60

1.12

16.91×25.81

 

13. Sheath Marking : According to customer requirements

14. Packing and Weight :

Cable size

Drum material

Drum length(KM)

Wooden drum size

Net.Weight

Kg/drum

(Approx.)

Gross.Weight Kg/drum

(Approx.)

10/0.50

Wood drum

2.000

1250*600*640

302

352

20/0.50

2.000

1250*600*640

430

490

30/0.50

1.000

1100×500×460

286

356

50/0.50

1.000

1300×600×460

402

507

 

Electrical Characteristic

 

1. 0.5mm Max. Conductor Resistance at 20°C       : 93.5 Ω/km

2 Resistance Unbalance - Max. Average                : 5%

3 Dielectric Strength - Core to core                         : 2.0 kV DC/3sec.

                                  - Core to screen                     :6.0 kV DC/3sec.

4 Max. Avg. Mutual Capacitance at 1000±100Hz    : 52 ± 3 nF/km

5 Capacitance unbalance at 1000±100kHz

- Pair to pair : - Max. RMS                                        : 275 pF/500m

- Pair to Ground : - Max. Individual                           :2630 pF/km

                              Max. Average                              : 570 pF/km

6 Min. Insulation Resistance at 20 ºC                       : 5000 MΩ·km

 

 

MECHANICAL AND THERMAL PROPERTIES

Temperature range during operation (fixed state)     : -70°C  ~ +70°C

Temperature range during installation (mobile state) : -70°C ~ +70°C

Minimum bending radius                                            : 15 x Overall Diameter

We could not find any corresponding parameters, please add them to the properties table

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