Zhangjiagang Tri-Creation Imp&exp Co., Ltd.
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flame-resisting electrical cable PVC insulation

flame-resisting electrical cable PVC insulation
Product Detailed
Related Categories:Electrical Wires
Used in regular occasion of laying, at the instance of catching fire,cable can still keep certain time.

PVC insulation  flame-resisting electrical cable

Application

Used in regular occasion of laying, at the instance of catching fire,cable can still keep certain time and continue operate with rated voltage up to and including 450/750V.

Model and Name

Model

Name

Mian application

 

NH-BV

 

 

Copper core PVC insulated Fire-resistant cable

Uses in fireproof situation which lays fixedly

 

NH-BVV

Copper core PVC insulated PVC sheathed Fire-resistant round cable

Uses in fireproof situation which lays fixedly

NH-BVVB

Copper core PVC insulated PVC sheathed Fire-resistant flat cable

Uses in fireproof situation which lays fixedly

Specification

Model

Rated voltage

V

No.of Cores

Nominal Cross-section mm2

NH-BV

450/750

1

2.5~400

NH-BVVB

300/500

2,3

2.5~10

NH-BVV

300/500

1,2,3,4,5

2.5~10

2.5~35

Structure 

1, Conductor  2,  Fire-resistant layer 3, Insulation

4, Outer sheath

 

Structure and Technical parameter

NH-BV (450/750V) Copper core PVC insulated Fire-resistant cable(wire)

Nominal Cross-section

mm2

Thickness of fire-proof layer

Diameter

mm

 

Weight

kg/km

Conductor resistance(20°C)

Ω/km

Min.insulation resistance(70°C)

MΩ km

2.5

4

6

10

16

25

35

50

70

95

120

150

185

240

300

400

 

 

 

 

 

 

 

0.5

 

 

 

 

 

 

 

 

4.5

5.0

5.5

7.2

8.2

9.9

11.1

12.8

14.6

16.9

18.5

20.5

22.8

25.8

28.6

32.0

44.0

61.0

92.9

135.6

197.4

300.5

398.7

534.3

742.3

1013.9

1256.4

1537.1

1915.6

2433.0

3104.9

3938.4

7.41

4.61

3.08

1.83

1.15

0.727

0.524

0.387

0.286

0.193

0.153

0.124

0.0991

0.0754

0.0601

0.0470

0.0100

0.0085

0.0070

0.0065

0.0050

0.0050

0.0040

0.0045

0.0035

0.0035

0.0032

0.0032

0.0032

0.0032

0.0030

0.0028

flame-resisting electrical cable PVC insulation



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