Telecommunication-Traditional Telephone Cable
通訊用電線-電話線 CW1293

POST OFFICE TELECOMMUNICATIONS
SPECIFICATION TO CW 1293

電話線 CW1293

 

Conductor

導體

:

:

Solid wire of annealed high conductivity copper

高傳導性銅導體

 

Insulation

絕緣

:

:

Complies with PVC compound Type 2 in BS 7655 .

聚氯乙烯絕緣

 

Stranding :

Layer construction.

 

Construction

結構

:

:

Shielded/non-shield.

有護套/無護套

 

Sheath

護套

:

:

Complies with PVC compound Type TM1 IN BS 7655.

聚氯乙烯護套

 

Note

 

 

備注

:

 

 

:

These range of cables can be supplied alternatively with Tinned Copper Conductor. Different conductor size of cables are available upon special order.

可按人客要求制造不同大小的電線





Norminal Conductor diameter
導體直徑 (mm)
Max. Conductor reistance
per 1 Km @ 20C
導體電阻(ohms)
Insulation min.radial thickness 
絕緣厚度(mm)
Maximum overall diameter 
直徑(mm)
Insulation resistance 
絕緣電阻(volt DC)
Capacitance unbalance 
電容不平衡(pF/500M) **
0.5
97.8
0.15
0.95
>500
500


 
Description
形容
Construction
結構
Sheath Thickness
Minimum
護套厚度(mm)
Overall Diameter
Maximum
直徑(mm)
1/0.50 x

1W

  Cream 1 WB   0.4 2.2
1/0.50 x

2W

  Cream 1 Pr   0.4   3.3
1/0.50 x

3W

  Cream 1 Tr   0.4   3.5
1/0.50 x

4W

  Cream 2 Pr   0.4   4.0
1/0.50 x

6W

  Cream 3 Pr   0.5   5.3
1/0.50 x

8W

  Cream 4 Pr   0.5   5.8
1/0.50 x

12W

  Cream 6 Pr   0.6   6.8
1/0.50 x

20W

  Cream 10 Pr   0.6   8.3
1/0.50 x

21W

  Cream 10 Pr 1S   0.6   8.3
1/0.50 x

30W

  Cream 10 Tr   0.7   9.8
1/0.50 x

40W

  Cream 20 Pr   0.7   10.7
1/0.50 x

50W

  Cream 25 Pr   0.8   11.4
1/0.50 x

60W

  Cream 30 Pr   0.8   12.2
1/0.50 x

80W

  Cream 40 Pr   0.9   14.2
1/0.50 x

100W

  Cream 50 Pr   1.0   15.7
1/0.50 x

120W

  Cream 60 Pr   1.0   16.3
1/0.50 x

150W

  Cream 50 Tr   1.1   17.8
1/0.50 x

200W

  Cream 100 Pr   1.4   22.6

** Please refer to CW 1293 for maximum value calculation of different length cable.


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