
BS EN 50525-3-41 Fixed Wiring Cable 6491B H07Z-R 450/750 Electric Wire
APPLICATION
Suitable for use in conduit and for fixed, protected installation.
For installations where fire, smoke emission and toxic fume
create a potential risk to life and equipment.
BS EN 50525-3-41 (previously BS 7211)
DIMENSIONS
UNIQUE PART NO. | NOMINAL CROSS SECTIONAL AREA | NOMINAL THICKNESS OF INSULATION | NOMINAL OVERALL DIAMETER | NOMINAL WEIGHT kg/km |
mm² | mm | mm | ||
UNI6491B1.5 | 1.5 | 0.7 | 3.4 | 22 |
UNI6491B2.5 | 2.5 | 0.8 | 4.1 | 35 |
UNI6491B4 | 4 | 0.8 | 4.7 | 50 |
UNI6491B6 | 6 | 0.8 | 5.4 | 72 |
UNI6491B10 | 10 | 1 | 6.8 | 121 |
UNI6491B16 | 16 | 1 | 8 | 182 |
UNI6491B25 | 25 | 1.2 | 9.8 | 285 |
UNI6491B35 | 35 | 1.2 | 11 | 390 |
UNI6491B50 | 50 | 1.4 | 13.2 | 510 |
UNI6491B70 | 70 | 1.4 | 15.1 | 710 |
UNI6491B95 | 95 | 1.6 | 17 | 980 |
UNI6491B120 | 120 | 1.6 | 19 | 1220 |
UNI6491B150 | 150 | 1.8 | 21 | 1500 |
UNI6491B185 | 185 | 2 | 23.5 | 1910 |
UNI6491B240 | 240 | 2.2 | 26.5 | 2490 |
UNI6491B300 | 300 | 2.4 | 29.5 | 3100 |
UNI6491B400 | 400 | 2.6 | 33.5 | 3950 |
UNI6491B500 | 500 | 2.8 | 37 | 5000 |
UNI6491B630 | 630 | 2.8 | 41 | 6350 |
Colour Codes
COLOUR | Black | Blue | Grey | Green/ Yellow | Orange | Red | Pink | Yellow | Violet | Brown | White |
CODE | BK | BL | GR | GY | OR | RD | PK | YW | VI | BR | WH |
CONDUCTORS
Class 2 Stranded Conductors for Single Core and Multi-Core Cables
NOMINAL CROSS SECTIONAL AREA mm2 | MINIMUM NO. OF WIRES IN CONDUCTOR | MAXIMUM RESISTANCE OF CONDUCTOR AT 20ºC | |||||
Circular | Circular Compacted | Shaped | Annealed Copper Conductor | ||||
Cu | Al | Cu | Al | Cu | Al | Plain Wires ohms/km | |
1.5 | 7 | - | 6 | - | - | - | 12.1 |
2.5 | 7 | - | 6 | - | - | - | 7.41 |
4 | 7 | - | 6 | - | - | - | 4.61 |
6 | 7 | - | 6 | - | - | - | 3.08 |
10 | 7 | 7 | 6 | 6 | - | - | 1.83 |
16 | 7 | 7 | 6 | 6 | - | - | 1.15 |
25 | 7 | 7 | 6 | 6 | 6 | 6 | 0.727 |
35 | 7 | 7 | 6 | 6 | 6 | 6 | 0.524 |
50 | 19 | 19 | 6 | 6 | 6 | 6 | 0.387 |
70 | 19 | 19 | 12 | 12 | 12 | 12 | 0.268 |
95 | 19 | 19 | 15 | 15 | 15 | 15 | 0.193 |
120 | 37 | 37 | 18 | 15 | 18 | 15 | 0.153 |
150 | 37 | 37 | 18 | 15 | 18 | 15 | 0.124 |
185 | 37 | 37 | 30 | 30 | 30 | 30 | 0.0991 |
240 | 37 | 37 | 34 | 30 | 34 | 30 | 0.0754 |
300 | 61 | 61 | 34 | 30 | 34 | 30 | 0.0601 |
400 | 61 | 61 | 53 | 53 | 53 | 53 | 0.047 |
500 | 61 | 61 | 53 | 53 | 53 | 53 | 0.0366 |
630 | 91 | 91 | 53 | 53 | 53 | 53 | 0.0283 |
ELECTRICAL CHARACTERISTICS
Current Carrying Capacity
NOMINAL CROSS SECTIONAL AREA | ENCLOSED IN CONDUIT IN THERMALLY INSULATING WALL ETC | ENCLOSED IN CONDUIT ON A WALL OR IN TRUNKING ETC | CLIPPED DIRECT | IN FREE AIR OR ON A PERFORATED CABLE TRAY ETC HORIZONTAL OR VERTICAL ETC TOUCHING | IN FREE AIR) SPACED 1 x OD | ||||||
3 Cables Three-Phase AC | 2 Cables Single-Phase AC or DC or 3 Cables Three-Phase AC flat | ||||||||||
Amps | Amps | Amps | Amps | Amps | Amps | Amps | Flat Amps | Trefoil Amps | Horizontal | Vertical | |
1.5 | 19 | 17 | 23 | 20 | 25 | 23 | - | - | - | - | - |
2.5 | 26 | 23 | 31 | 28 | 34 | 31 | - | - | - | - | - |
4 | 35 | 31 | 42 | 37 | 46 | 41 | - | - | - | - | - |
6 | 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 |
Wuhan Unique Mechanical And Electrical Equipment Co.,LTD.
UNI-CABLES,Brand owned by a group company of WUMEE,which now has four factories in China. Wuhan Unique Electric Wire and Cable Co.,Ltd,Guangdong Unique Cable Co.,Ltd, Guangxi Unique Aluminum Co.,Ltd, Wuhan Unique No.2 Factory. Group company set up in the year of 2001 by the event of Headquarter Wuhan Shuangli set its branch in Guangdong. In the year of 2008, the third branch Guangxi Shuangli put into use. Two years later, the second production base in Wuhan finished its construction and successfully produced its first reel of cable. After 30 years development,ShuangliCable became one of the leading 5 manufactures of Aluminum Cable in China, and rank No.1 among south China.
UNI-Cables, acts as an important role in energy and power distribution in whole China since established in 1988. In beging years, UNI-Cables majors in high voltage and extra high voltage power transmission,city power distribution, street lights power supply, rural electricity network and such government projects. In recent years, Unique Cables developed it's residential wires,now we can see more and more cable with mark UNI-CABLES in buildings, squres,hospitals, schools, farms, factories, and so on. Shuanglicable starts its international business since the year of 2002, rich experience will help you find the best solutions of power distribution.
Unique Cables was identified as the high-tech industry by Wuhan Science and Technology Bureau, and honored as Observing Contracts and Keeping Promise Enterprise by the Trade and Industry Bureau of Wuhan every year. Our company is AAA Reputation Grade Company of Hubei Province and get prizes such as the "Top Ten Enterprises". Our company was listed on Introduced Enterprise for remolding two power nets by the State Economic Trade Association and Hubei Provincial Economic Trade Association in 1999.