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Telecommunication Outside Cables TBLA , TBLE-A

Telecommunication Outside Cables TBLA , TBLE-A
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TBLA  , TBLE-A

STANDARD intern : RC-2008+0901 , STANDARD INTERNATIONAL REF. SR CEI 60189/2 ,  acc. to ST 123, 

This cable is used in the connection and distribution networks of the telephone

switchboards, subscribers distribution networks and signal and control circuits.

Self-supporting strap 

1.Conductor solid copper wire  nx(2x0.6) acc. to ST 123

2.Insulation: medium density polyethylene ,/PVC

3.Carrier: Steel  wire 1.30 mm 

4.Sheath: PVC./PE  

-  Operation DC voltage: max 120V 

-  Conductor temperature in long–run operation: +70ºC

-  Min. temperature during use: -40 ºC ,

1.  Resistance of the twinned conductors (looped): max 66.6 Ω/km at 20ºC 

2.  Voltage resistance: 1 kV DC, 1 minute, at 50 Hz, between  conductors and 3 kV DC,1  minute at 50Hz between conductors and carrier.

3.  Insulation resistance at 20ºC: min 5000 MΩ x km,


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Our principle is to meet fully the the needs and expectations of customers without compromising quality in according to the international manufacturing & product standards and specifications, to increase competitive environment for domestic and international markets, to ensure continuous improvement with all our employees and to add new potential busines partners to our existing customer portfolio. 

CONDUCTOR

Standard(SJ/T11223-2000) and American ASTM B566-93 standard. ... 
 Physical Property of Conductor

conductor property

Copper wire

CCA wire

Aluminum wire

%copper volume

100

15

0

g/cm3specific gravity

8.89

3.63

2.70

length comparision with copper

1:1

2.5:1

3.29:1

%IACSconductivity

100

65

62

Ω.mm2/mDC resistivity

0.01724

0.02462

0.02740

MpaTensile strength

215-265

95-135

68-107

(%Elongation

20

10

8

windability

very good

good

good

weight

bad

good

very good

soldering

very good

very good

bad

DC resistance

Very good

good

good