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HYAC 20pair telephone cable 0.5mm outdoor self supporting communication cable
HYAC 20pair telephone cable 0.5mm outdoor self supporting communication cable
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 : 2x(12+13)Pairs 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 x(12+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
The plastic layer :Both sides with plastic coated of AL.
Nominal Thickness of Plastic:0.05±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 SIZE(mm) |
Nominal Thickness ±0.2mm(mm) |
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 Thickness(mm) |
Min. Thickness at any point(mm) |
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
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
Inquiry now
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0086-756-2255926
surelink2008
No.4, Xing Guo Street, Nan Keng Industrial Zone, Xiangzhou district, Zhuhai, China
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