crosslinked polyolefin insulated wire

crosslinked polyolefin insulated wire

Cross-linked polyolefin insulated wire description

　　Cross-linking polyolefins insulated cable (wire) has the advantages of excellent mechanical and physical properties, excellent electrical properties. It is used in such places as electrical appliance, instrument and telecom device with A.C.rated voltage U0/U up to and including 450/750V.
　　The main features of the flame retardant cable is hard to get fire or that the continuous burning of cables is very limited when it is on fire. It applies to the places necessary to resist fire.
　　Fire-resistance of cable can operate normally for some time when it is burning except that it can transmit electrical power under normal condition. It is used in the places necessary to resist fire.
　　The main characteristics of low smoke, halogen-free, flame when it is burning cable &wire is very low smoke emission and harmless (low toxic, low corrosive) besides the property of flame retardant. It can be used in the places with special demands of property of flame retardant, the density of smoke emission and toxic index when cable gets burning such as subway, tunnel, nuclear power station.

Cross-linked polyolefin insulated wire Standards

The cable is manufactured in accordance with out enterprise standard.
It can also be produced according to special requirements put forward by clients.
The flame retardant property of the flame retardant cable must meet the corresponding demands of class A, B, or C, which is, stipulated in GB/T 18380.3-2001.Amongst the 3 classes, class A is best C worst. Clients can select any type of cable as practical needs.
　　Fire-resistance property of the fire-resistance cable can be classified as class A(9500C—10000C/90min)and class B(7500C—8000C/90min.) In accordance with the standard of GB 12666.6.6 Clients can choose any type cable as practical needs.
　　The flame retardant property of low smoke, halogen-free, flame retardant cable must the corresponding requirements of class A,B or C which is stipulated in GB/T 18380.3—2001. It must pass the test of smoke density described in GB/T 17651—1998, and the test measuring the pH vault and conductivity which is stipulated in GB/T 17650.2—1998.

Cross-linked polyolefin insulated wire Model

Type of the common cable:

Model Name
BYJ copper conductor cross linking polyolefins insulated cable (wire)
BYJR copper conductor cross linking polyolefins insulated flexible cable
BYJV copper conductor cross linking polyolefins insulated PVC sheathed round cable
BYJVB copper conductor cross linking polyolrfins insulated PVC sheathed flat cable(wire)
Type of the flame retardant cable:
Plus ZA、ZB、ZC before the type of common cable
Type of the fire resistance cable:
Plus N before the type of common cable
Type of the low smoke, halogen-free, flame retardant cable:

Model Name
WDZ—BYJ copper conductor cross linkingpolyoefins insulated haloen-free flame retardant cable wired
WDZ—BYR copper conductor cross linkingpolyolefins insulated haloen-free flame retardant flexible cable
WDZ—BYJY copper conductor cross linking polyolefins insulated, flame retardant polyolefins sheathed halogen-free round cable
WDZ—BYJYB copper conductor cross linking polyolefins insulated, flame retardant polyolefins sheathed halogen-free flat cable (wire)

Cross-linked polyolefin insulated wire Service Condition

Rated voltage U0/U is 450/750 and 300/500 volts.
Permissible continuous working temperature of cable conductor is 90℃.
Ambient temperature is not lower than 0℃ and its minimum bending radius is as follows when cable is installed:
　　　—for O.D. less than 25 millimeter equal to or greater than 4 times O.D.
　　　—for O.D. not less than 25 millimeter, equal to or greater than 6 time O.D.

Cross-linked polyolefin insulated wire Technical Parameter

BYJ (FBYJ), ZR(C)-BYJ　　　　　　　　　　　　　　　　　　　　　　　　　　　　　300/500V

Nominal Area
mm2

Conductor Category

Refer Outer Diameter
mm

Refer Weight
kg/km

20 ℃ Maximum DC resistance of conductor Ω/km

Approximate Ampacity

0.5

0.75

0.75

1.0

1.0

1

1

2

1

2

1.9

2.0

2.2

2.2

2.3

7

9

10

12

12

36.0

24.5

24.5

18.1

18.1

16

20

20

24

24

BYJ (FBYJ), ZR(C)-BYJ　　　　　　　　　　　　　　　　　　　　　　　　　　　　　450/750V

Nominal Area
mm2

Conductor Category

Refer Outer Diameter
mm

Refer Weight
kg/km

20 ℃ Maximum DC resistance of conductor Ω/km

Approximate Ampacity

1.5

1.5

2.5

2.5

4

4

6

6

10

16

25

35

50

70

95

120

150

185

240

300

400

1

2

1

2

1

2

1

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2.6

2.8

3.3

3.5

3.7

4.0

4.2

4.6

5.6

7.0

8.5

9.6

11.7

13.1

15.4

17.2

19.0

21.3

24.5

27.1

30.7

17

18

28

29

42

44

62

63

103

163

254

348

473

672

931

1168

1438

1803

2367

2964

3784

12.1

12.1

7.41

7.41

4.61

4.61

3.08

3.08

1.83

1.15

0.727

0.524

0.387

0.268

0.193

0.153

0.124

0.0991

0.0754

0.0601

0.0470

33

33

42

43

56

55

77

77

103

140

171

212

269

335

392

444

503

580

673

785

941

BYJ (FBYJ), ZR(C)-BYJR　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　450/750V

Nominal Area
mm2

Refer Outer Diameter
mm

Refer Weight
kg/km

20 ℃ Maximum DC resistance of conductor Ω/km

Approximate Ampacity

2.5

4

6

10

16

25

35

50

70

3.5

4.1

4.7

6.5

7.5

9.6

10.7

12.6

14.7

29

44

65

113

169

269

359

495

683

7.41

4.61

3.08

1.83

1.15

0.727

0.524

0.387

0.268

42

55

77

103

140

171

212

269

335

BYJ (FBYJ), ZR(C)-BYJR　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　450/750V

Nominal Area
mm2

Refer Outer Diameter
mm

Refer Weight
kg/km

20 ℃ Maximum DC resistance of conductor Ω/km

Approximate Ampacity

1×0.75

1×1.0

1×1.5

1×2.5

1×4

1×6

1×10

3.6

3.8

4.2

4.6

5.3

6.0

7.3

19

20

29

40

58

81

127

24.5

18.1

12.1

7.41

4.61

3.08

1.83

19

24

33

42

54

75

100

2×1.5

2×2.5

2×4.

2×6

2×10

2×16

2×25

2×35

8.5

9.3

10.2

11.7

14.9

17.1

20.9

24.0

98

129

171

234

387

551

843

1139

12.1

7.41

4.61

3.08

1.83

1.15

0.727

0.524

26

36

47

67

90

122

140

170

3×1.5

3×2.5

3×4.

3×6

3×10

3×16

3×25

3×35

9.0

9.8

10.8

12.7

15.8

18.2

22.6

25.4

120

156

213

306

487

703

1103

1470

12.1

7.41

4.61

3.08

1.83

1.15

0.727

0.524

22

30

38

49

66

87

118

144

BYJV(FBYJV)，ZR(C)-BYJV　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　300/500V

Nominal Area
mm2

Refer Outer Diameter
mm

Refer Weight
kg/km

20 ℃ Maximum DC resistance of conductor Ω/km

Approximate Ampacity

4×1.5

4×2.5

4×4

4×6

4×10

4×16

4×25

4×35

9.6

10.5

12.1

14.2

17.2

20.3

25.1

27.9

139

190

273

392

607

903

1413

1860

12.1

7.41

4.61

3.08

1.83

1.15

0.727

0.524

23

31

38

50

67

89

118

145

5×1.5

5×2.5

5×4

5×6

5×10

5×16

5×25

5×35

10.3

11.4

13.5

15.4

18.7

22.5

27.5

31.0

165

228

339

473

737

1120

1725

2306

12.1

7.41

4.61

3.08

1.83

1.15

0.727

0.524

23

31

39

49

66

88

119

143

BYJVB(FBYJVB)，ZR(C)-BYJVB 　　　　　　　　　　　　　　　　　　　　　　　　　　　　300/500V

Nominal Area
mm2

Refer Outer Diameter
mm

Refer Weight
kg/km

20 ℃ Maximum DC resistance of conductor Ω/km

Approximate Ampacity

2×0.75

2×1.0

2×1.5

2×2.5

2×4

2×6

2×10

3.9×5.9

4.1×6.3

4.5×7.2

5.1×8.2

5.9×9.7

6.9×11.5

8.0×13.4

37

39

59

84

124

178

272

24.5

18.1

12.1

7.41

4.61

3.08

1.83

17

22

26

36

47

67

90

3×0.75

3×1.0

3×1.5

3×2.5

3×4

3×6

3×10

3.9×8.0

4.1×8.4

4.5×9.8

5.1×11.2

5.9×13.7

6.9×16.1

8.0×18.9

53

56

86

123

187

263

403

24.5

18.1

12.1

7.41

4.61

3.08

1.83

17

21

22

30

38

49

66

Cross-linked polyolefin insulated wire show

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