450/750V PVC Insulated, Non-sheathed Power Cables (Single Core 90°C)

Understanding 450/750V PVC-Insulated Non-Sheathed Power Cables for Modern Application

450/750V PVC Insulated, Non-sheathed Power Cables (Single Core 90°C)

FGD100 07V2-U/R/K (CU/PVC 450/750V Class 1/2/5)

BS Code: 6491XHR

HAR Code: H07V2-U, H07V2-R, H07V2-K

Application

This cables are mainly used in power stations, mass transit underground passenger systems, airports, petrochemical plants, hotels, hospitals, and high-rise buildings.

Standards

Basic design to to BS EN 50525-2-31(formerly BS 6004:2000)

Fire Performance

Flame Retardance (Single Vertical Wire Test)

EN 60332-1-2

Voltage Rating

450/750V

Cable Construction

Conductor

H05V-U: Class 1 solid copper conductor to BS EN 60228.

 

H05V-R: Class 2 stranded copper conductor to BS EN 60228.

 

H05V-K: Class 5 stranded copper conductor to BS EN 60228.

Insulation

PVC Type TI 3 according to BS EN 50363-3

Colour Code

Black, Blue, Brown, Grey, Orange, Pink, Red, Turquoise, Violet, White, Green and Yellow.

Physical and Thermal Properties

Maximum temperature range during operation (PVC)

90°C

Maximum short circuit temperature (5 Seconds)

160°C

Minimum bending radius

Up to 8mm^2: 4 x overall diameter

 

8mm^2 to 12mm^2: 5 x overall diameter

 

Above 12mm^2: 6 x overall diameter

ELECTRICAL PROPERTIES

Conductor Operating Temperature

90°C

Ambient Temperature

30°C

Current-Carrying Capacities (Amp) according to BS 7671:2008 table 4E1A

Conductor cross- sectional area

Reference Method A (enclosed in conduit in thermally insulating wall etc)

Reference Method B (enclosed in conduit on a wall or in trunking etc)

Reference Method C (clipped direct)

Reference Method F (in free air or on a perforated cable tray, horizontal or vertical etc) Touching

Reference Method G (in free air) Spaced by one cable diameter

2 cables, single- phase a.c. or d.c.

3 or 4 cables, three -phase a.c.

2 cables, single- phase a.c. or d.c

3 or 4 cables, three- phase a.c.

2 cables, single- phase a.c. or d.c. flat and touching

3 or 4 cables, three- phase a.c. flat and touching or trefoil

2 cables, single- phase a.c. or d.c. flat

3 cables, three- phasea.c. flat

3cables, three- phase a.c. trefoil

2 cables, single- phase a.c. or d.c. or 3 cables three- phase a.c. flat

Horizontal

Vertical

1

2

3

4

5

6

7

8

9

10

11

12

mm²

A

A

A

A

A

A

A

A

A

A

A

1.5

19

17

23

20

25

23

-

-

-

-

-

2.5

26

23

31

28

34

31

-

-

-

-

-

4.0

35

31

42

37

46

41

-

-

-

-

-

6.0

45

40

54

48

59

54

-

-

-

-

-

10

61

54

75

66

81

74

-

-

-

-

-

16

81

73

100

88

109

99

-

-

-

-

-

25

106

95

133

117

143

130

161

141

135

182

161

35

131

117

164

144

176

161

200

176

169

226

201

50

158

141

198

175

228

209

242

216

207

275

246

70

200

179

253

222

293

268

310

279

268

353

318

95

241

216

306

269

355

326

377

342

328

430

389

120

278

249

354

312

413

379

437

400

383

500

454

150

318

285

393

342

476

436

504

464

444

577

527

185

362

324

449

384

545

500

575

533

510

661

605

240

424

380

528

450

644

590

679

634

607

781

719

300

486

435

603

514

743

681

783

736

703

902

833

400

-

-

683

584

868

793

940

868

823

1085

1008

500

-

-

783

666

990

904

1083

998

946

1253

1169

630

-

-

900

764

113

1033

1254

1151

1088

1454

1362

800

-

-

-

-

1288

1179

1358

1275

1214

1581

1485

1000

-

-

-

-

1443

1323

1520

1436

1349

1775

1671

Voltage Drop (Per Amp Per Meter) according to BS 7671:2008 table 4E1B

Introduction to 450/750V PVC-Insulated Power Cables

In the intricate world of electrical infrastructure, 450/750V PVC-insulated, non-sheathed power cables (single core, 90°C) stand out as a cornerstone for reliable power distribution. These cables, designed to handle significant electrical loads while maintaining safety and efficiency, are critical in environments ranging from power stations to high-rise buildings. Known by standards such as BS EN 50525-2-31 and HAR codes (H07V2-U, H07V2-R, H07V2-K), these cables are engineered for durability and performance under demanding conditions.

Standards and Compliance

The 450/750V PVC-insulated cables adhere to international standards to ensure safety and reliability:

  • BS EN 50525-2-31: Replaces BS 6004:2000, outlining design and performance requirements.

  • BS EN 60332-1-2: Ensures flame retardance through the single vertical wire test, critical for fire safety in confined spaces.

  • BS EN 60228: Specifies conductor classes for consistent electrical performance.

  • HAR Codes: H07V2-U, H07V2-R, and H07V2-K align with European harmonized standards for cross-border compatibility.

Applications and Usage Scenarios

The versatility of 450/750V PVC-insulated cables makes them indispensable in various settings:

  • Power Stations: Used for internal wiring due to their high current-carrying capacity and heat resistance.

  • Mass Transit Systems: Employed in underground passenger systems for reliable power distribution in confined, high-traffic areas.

  • Airports: Support critical infrastructure, such as lighting and control systems, where flame retardance is essential.

  • Petrochemical Plants: Withstand harsh chemical environments while maintaining electrical integrity.

  • Hotels and Hospitals: Ensure safe and reliable power for lighting, HVAC, and medical equipment.

  • High-Rise Buildings: Facilitate vertical power distribution with minimal voltage drop.

Their non-sheathed design makes them ideal for installations within conduits or trunking, where additional protection is provided by the installation environment.

The 450/750V PVC-insulated, non-sheathed power cables (single core, 90°C) are a vital component of modern electrical systems, offering reliability, safety, and versatility. Their adherence to stringent standards like BS EN 50525-2-31 and BS EN 60332-1-2 ensures performance in demanding applications, from power stations to renewable energy projects. In South Africa, these cables address pressing challenges like fire safety, urbanization, and energy access, as demonstrated in case studies from Khayelitsha, Gauteng, and Johannesburg.