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CONCENTRIC CABLE

  • VLT / YJLT
  • RMJT
Quantity:

APPLICATION:

It is used for power transmission on power lines
of rated voltage 0.6/1kV or lower. It is widely used
in petrochemical industry, metallurgy, mines and
high-rise buildings.


STANDARD:

IEC 60502-1

 

MAIN FEATURES:

1)     Cable main conductor has low and even proper (inverse order) and zero order impedance, which benefits quality improvement for power supply.

2)     Concentric conductor has the lower zero preface resistance. This benefits the sensitive action of automatic protection devices in short circuit and ensures safe operation of cable and concerned devices.

3)     Cable has strong resistant characters against electromagnetic interference and thunder strike.

      

WORKING CONDITION:

1)    The tallest work temperature of the cable conductor:
PVC insulation is 700C.
XLPE insulation is 900C.

2)    Short-circuit time (Continuously time is not over the 5s), The temperature of the conductor do not exceed:
PVC insulation is 1600C.
XLPE insulation is 2500C.

3)    The minimum bent radius of the cable:
Single core is 20D, Many core 15D.


SPECIFICATION:

SPECIFICATION

DIAMETER OF CONDUCTORES



 

OVERALL DIAMETER

 

APPROX. WEIGHT

 

DC RESISTANCE

 

CENTRAL

CONCENTRICO

INSULATION THICKNESS

SHEATH THICKNESS

N° HILOS

DIAMETRO

Nº x mm²

mm

mm

mm

mm

mm

Kg/Km

Ω/km

2   x 6

2.71

27

0.55

0.8

1.4

9.3

101

4.61

2   x 10

3.51

25

0.7

0.8

1.4

10.4

130

3.08

2 x 16

4.87

21

0.98

0.8

1.4

12.1

179

1.91

2 x 25

6.42

24

1.15

0.8

1.4

14

249

1.20

3   x 10

3.51

49

0.55

0.8

1.6

18

688

3.08

3   x 16

4.87

52

0.62

0.8

1.6

20.3

813

1.91

4 x 10

3.51

53

0.55

0.8

1.6

18.9

752

3.08

4 x 16

4.87

65

0.56

0.8

1.6

21.3

900

1.91


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Tel:   +86-371-5563 2827

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