ZHONGMEI 0.6/1KV PVC insulation, cross-linked polyethylene insulated fire-resistant cables NH-YJV 0.6/1KV 4X70+1X35

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Shanghai
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TT OR LC
Min Order Qty:
-
Supply Capability:
100000 m/month

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Product Description:

1. Standard complied with:IEC60502-1997 Power cables with extruded insulation and their accessories for rated voltedes from 1KV up to 30KV;


2. Service performance

   (1)Operating temperature:Max.Permissible continuous operating temperature of conductors shall not exceed 70℃.

   (2)Short circuit temperature of conductor:Max.short circuit temperature shall not exceed 160℃(Max.sustaining period: not exceeding 5 sec.

3. Type and description:

Type

Description

Number of cores

Conductive wire core nominal cross-section mm2

NH-YJV

Copper core cross-linked polyethylene insulated PVC sheathed fire-resistant cables

1-5

1.5-240

NH-YJV22

Copper core cross-linked polyethylene insulated steel belt armored PVC sheathed fire-resistant cable

1-5

2.5-240

Specification of the cable number of cores × cross-section mm2

Outer diameter of the cable

Calculated weight of the cable kg / km

20 conductor DC resistance Ω / km

Cable reference closure discharge (A)

armored

armored

in the air

in the soil

1×1.5

8.7

87

12.1

24

29

1×2.5

9.1

102

7.41

31

38

1×4

10.0

131

4.61

41

49

1×6

10.5

156

3.08

52

61

1×10

11.8

17.0

211

468

1.83

72

83

1×16

12.9

18.1

278

558

1.15

95

105

1×25

14.5

19.7

387

695

0.727

120

135

1×35

15.6

20.8

494

823

0.524

150

160

1×50

17.1

22.5

657

1012

0.387

180

195

1×70

18.5

23.7

851

1235

0.268

230

240

4×95

20.7

25.9

1119

1540

0.193

280

285

1×120

22.4

27.0

1367

1818

0.153

325

250

1×150

24.4

29.7

1680

2173

0.124

375

290

1×185

26.5

32.1

2041

2587

0.991

430

335

1×240

29.5

2604

0.0754

510

395

2×1.5

15.5

228

12.1

15

22

2×2.5

16.3

19.7

270

478

7.41

19

29

2×4

18.2

21.6

361

591

4.61

26

38

2×6

19.3

22.7

434

678

3.08

32

47

2×10

22.1

25.4

613

891

1.83

46

65

2×16

24.3

27.7

823

1130

1.15

60

84

2×25

27.8

33.1

1166

1861

0.727

77

110

2×35

30.5

35.7

1515

2271

0.524

95

130

2×50

34.0

39.2

2041

2878

0.387

115

155

2×70

37.3

42.7

2697

3622

0.268

145

195

Specification of the cable number of cores × cross-section mm2

Outer diameter of the cable

Calculated weight of the cable kg / km

20 conductor DC resistance Ω / km

Cable reference closure discharge (A)

not armored

armored

not armored

armored

in the air

in the soil

2×95

42.4

48.1

3569

4656

0.193

185

230

2×120

46.1

51.8

4385

5551

0.153

210

260

2×150

50.7

56.7

5417

6731

0.124

245

300

2×185

55.9

62.0

6652

8107

0.0991

280

335

2×240

62.3

68.7

8478

10124

0.0754

335

390

4×4

19.4

22.8

411

657

4.61

26

38

4×6

20.8

24.2

514

776

3.08

32

47

4×10

23.5

26.8

704

997

1.83

46

65

4×16

26.1

29.7

963

2303

1.15

60

84

4×25

29.8

35.0

1366

2106

0.727

77

110

4×35

32.2

37.4

1706

2500

0.524

95

130

4×50

36.1

41.5

2342

3237

0.387

115

155

4×70

39.5

45.0

3068

4065

0.268

145

195

4×95

45.0

50.6

4114

5250

0.195

185

230

4×120

49.0

54.8

5115

6375

0.153

210

260

4×150

52.9

59.0

6163

7508

0.124

245

300

4×185

58.8

65.0

7603

9159

0.0991

280

335

4×240

65.2

71.7

9640

11405

0.0754

335

390

5×2.5

19.2

22.6

394

641

7.41

19

29

5×4

21.6

25.0

528

800

4.61

26

38

5×6

23.0

26.3

645

934

3.08

32

47

5×10

26.4

31.7

921

1582

1.83

46

65

5×16

29.3

34.6

1282

2009

1.15

60

84

5×25

34.0

39.2

1841

2686

0.727

77

110

5×35

37.5

43.0

2425

3325

0.524

95

130

5×50

41.8

47.3

3306

4332

0.387

115

155

5×70

45.8

51.5

4333

5193

0.268

145

195

5×95

52.2

58.1

5772

7125

0.193

185

230

5×120

57.2

63.3

7125

8616

0.153

210

260

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Q:The living room to the bedroom cable does not work
Low voltage and wire aging has nothing to do with the cross-section of the wire, the cross-section is small, then the resistance of the wire is large, the pressure drop is large, the user's voltage will be reduced, but also with the wire and wire connection resistance, contact resistance Large, but also cause the user to drop the voltage, low voltage and the aging of the wire has an indirect relationship, the wire aging, that there is a certain history, and in recent years, rising living standards, household appliances also increased, with the time Increased, the power has increased, relative to the wire is concerned, is overwhelmed, so the line is often the place where the line voltage is very low
Q:What is the use of wire and cable per square meter of residential building?
Generally wear SC65 tube. If the distance is too long, elbow and more, then the choice will be larger.
Q:Cable yjv-0.6 / 1kv-4 * 120 + 1 * 70 What does it mean?
There is no difference between BTTZ25 square can only do single core. BTTZ is a kind of outer layer with seamless copper tube jacket, the middle filled with magnesia crystal powder as insulation material, the conductor is a single strand of copper rods composed of new cables, in recent years are also more used in high-rise buildings, airports, Underground railways and other places, to protect the fire in the case of fire pumps, fire elevators, local lighting, emergency evacuation instructions, security monitoring, anti-smoke system and self-powered power and other important equipment uninterrupted operation. The main features of the editor it has a high temperature, fire, explosion, no combustion (250 ℃ can be a long time running, 1000 ℃ limit state can also be 30min short time operation) and the current flow, small diameter, high mechanical strength , Long service life, generally do not need the characteristics of independent grounding wire. Application range Editor Widely used in nuclear power plants, metallurgy, chemical industry, mine, kiln and other dangerous, bad, high temperature environment. In recent years, more applications in high-rise buildings, airports, docks, subway and other places, to protect the fire in the case of fire pumps, fire elevators, local lighting, emergency evacuation instructions, security surveillance, anti-smoke system and self Power and other fire fighting and important equipment without interruption.
Q:Copper core power cable models which several kinds
First, the total number of wire and cable products are thousands, applied in all walks of life
Q:Power cable inspection, how many meters should be sampled?
installation quota: cable ZR-YJV-4 * 70 + 1 * 35 is a five-core cable, you can refer to sets of "copper power cable laying cable (section mm2 below) 120? Cable "quota, and the fixed sub-sub-multiplied by the coefficient 1
Q:Power cable 5-color line, respectively, what color, what role?
YJ: cross-linked polyethylene insulation V: PVC sheathed 22: steel tape armor 8.7 / 15KV: rated voltage: 8.7 / 15 kV 3 * 300: three conductor cross-section of 300 square copper conductor Another: such as YJLV Is the aluminum core. Here is not marked what the material is conductor, you can default to copper conductor.
Q:What are the varieties of wire and cable (detailed point)
DJ is a distributed instrument signal cable, also refers to the computer cable, V is PVC. The specific meaning can see the manufacturer's product description.
Q:The difference between the instrument cable and the low voltage power cable
Surface brush fireproof paint is the fire-resistant bridge by fire time sub-level two three times as if 30 minutes 45 minutes and 60 minutes fire bridge should be lined with inorganic fire board, but this is very high in the general very little useful
Q:What kind of material should be selected for the fixing bracket of the cable trunking
General 2.5 square wire load is 2 kilowatts, and rubber sheathed cable, full load can reach 3 kilowatts are no problem (estimated again, it is not safe). The load level of the wire is mainly dependent on the current, but also on the voltage level. Under normal circumstances 50A below 1 square millimeter safe carrying capacity is 6A, 50 ~ 100A current 1 square millimeter of the safe carrying capacity is 5A, 100A current above the general take 1 square millimeter of the safe current is 2.5A; so many large square copper cable You can calculate the current. According to the three-phase alternating current formula: P = 1.732 * U * I * cosφ, cosφ is the power factor, select 0.8; this is the three-phase power calculation formula. Single phase: P = U * I * cosφ, cosφ is the power factor The power factor is 1 for the resistive load and 0.8 for the inductive load.
Q:Wire and cable manufacturing process (to be detailed)?
Hello, copper wire per square safe current-carrying 6A, .05X6A = 3A.X220V = 660W, 3AX380V = 1140W, aluminum core for the same 4A algorithm,

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