H07Z-K
450/750V halogen free, flame retardant, flexible cables single core cables
| -20/+90 °C | Flame Retardant IEC 60332-1-2 | Halogen Free IEC 60754-1 | Flexible |
| Low … |

Application
Low level of emission of smoke and corrosive gases in case of fire.
Construction
Cu/XL-LSZH
1- Conductor: Flexible Copper
2-Insulation: XL-LSZH
Technical Data
Max. operating temperature 90ºC
Short circuit temperature: 160ºC
Details
| Construction | Cu/XL-LSZH |
|---|---|
| Standard | EN 50525-3-41 |
| UK Code | 6491B |
|
Cross-section (mm²) |
Reaction To Fire classification |
|
1,5 |
Eca |
|
2,5 |
Eca |
|
4 |
Eca |
|
6 |
Eca |
|
10 |
Eca |
|
16 |
Eca |
|
25 |
Eca |
|
35 |
Eca |
|
50 |
Eca |
|
70 |
Eca |
|
95 |
Eca |
|
120 |
Eca |
|
150 |
Eca |
|
185 |
Eca |
|
240 |
Eca |
|
Nominal cross-section (mm²) |
Nominal Thickness of Insulation (mm) |
Approximate overall diameter (mm) |
Max. Conductor DC resistance at 20 ºC (ohm/km) |
Approximate net weight (kg/km) |
|
0,5 |
0,6 |
2,1 |
39 |
8 |
|
0,75 |
0,6 |
2,3 |
26 |
11 |
|
1 |
0,6 |
2,5 |
19,5 |
13 |
|
1,5 |
0,7 |
2,9 |
13,3 |
19 |
|
2,5 |
0,8 |
3,6 |
7,98 |
30 |
|
4 |
0,8 |
4,1 |
4,95 |
44 |
|
6 |
0,8 |
4,6 |
3,3 |
62 |
|
10 |
1 |
6,0 |
1,91 |
107 |
|
16 |
1 |
7,0 |
1,21 |
158 |
|
25 |
1,2 |
9,7 |
0,78 |
251 |
|
35 |
1,2 |
10,9 |
0,554 |
338 |
|
50 |
1,4 |
13,0 |
0,386 |
484 |
|
70 |
1,4 |
15,1 |
0,272 |
667 |
|
95 |
1,6 |
17,5 |
0,206 |
906 |
|
120 |
1,6 |
19,2 |
0,161 |
1136 |
|
150 |
1,8 |
21,4 |
0,129 |
1395 |
|
185 |
2 |
23,6 |
0,106 |
1756 |
|
240 |
2,2 |
26,8 |
0,0801 |
2195 |
|
Conductor cross- sectional area |
Reference Method A |
Reference Method C |
Reference Method F |
Reference Method G |
|||||
|
Enclosed in Conduit in thermally insulating wall etc. |
Clipped Direct, |
In free air or on a perforated cable tray etc, horizantal or vertical |
In Free air |
||||||
|
2 cables, single-phase AC or DC (A) |
Three or four cables, three-phase AC (A) |
2 cables, single-phase AC or DC flat and touching (A) |
3 o 4 cables, three-phase AC flat and touching or trefoil (A) |
Touching two cables, single-phase AC or DC flat (A) |
Touching 3 cables, three-phase AC or DC flat (A) |
Touching 3 cables, three-phase AC or DC flat (A) |
Horizantal |
Vertical |
|
|
1 |
13 |
12 |
18 |
17 |
– |
– |
– |
– |
– |
|
1,5 |
18 |
16 |
24 |
22 |
– |
– |
– |
– |
– |
|
2,5 |
25 |
22 |
32 |
29 |
– |
– |
– |
– |
– |
|
4 |
33 |
29 |
44 |
39 |
– |
– |
– |
– |
– |
|
6 |
43 |
38 |
56 |
51 |
– |
– |
– |
– |
– |
|
10 |
58 |
51 |
77 |
70 |
– |
– |
– |
– |
– |
|
16 |
77 |
69 |
104 |
94 |
– |
– |
– |
– |
– |
|
25 |
103 |
92 |
139 |
126 |
156 |
137 |
131 |
177 |
156 |
|
35 |
127 |
113 |
171 |
156 |
194 |
171 |
164 |
219 |
195 |
|
50 |
153 |
137 |
221 |
203 |
235 |
210 |
201 |
267 |
239 |
|
70 |
194 |
174 |
284 |
260 |
301 |
271 |
260 |
342 |
308 |
|
95 |
234 |
210 |
344 |
316 |
366 |
332 |
318 |
417 |
377 |
|
120 |
270 |
242 |
401 |
368 |
424 |
388 |
372 |
485 |
440 |
|
150 |
308 |
276 |
462 |
423 |
489 |
450 |
431 |
560 |
511 |
|
185 |
351 |
314 |
529 |
485 |
558 |
517 |
495 |
641 |
587 |
|
240 |
411 |
369 |
625 |
572 |
659 |
615 |
589 |
758 |
697 |
|
300 |
471 |
422 |
721 |
661 |
760 |
714 |
682 |
875 |
808 |
|
400 |
– |
– |
842 |
769 |
912 |
842 |
798 |
1052 |
978 |
|
500 |
– |
– |
960 |
877 |
1051 |
968 |
918 |
1215 |
1134 |
|
630 |
– |
– |
1096 |
1002 |
1216 |
1116 |
1055 |
1410 |
1321 |
| The above table is in accordance with BS 7671:2018 | |||||||||
|
Conductor cross- sectional area |
Two cables DC |
2 Cables single phase AC |
||||||||||
|
Reference Method A&B (enclosed in conduit or trunking) |
Reference Method C&F (clipped direct, on try or in free air) |
|||||||||||
|
Cables Touching |
Cables Spaced* |
|||||||||||
|
mV/A/m |
mV/A/m |
mV/A/m |
mV/A/m |
|||||||||
|
1 |
50,6 |
50,6 |
50,6 |
50,6 |
||||||||
|
1,5 |
34,1 |
34,1 |
34,1 |
34,1 |
||||||||
|
2,5 |
20,9 |
20,9 |
20,9 |
20,9 |
||||||||
|
4 |
13,2 |
13,2 |
13,2 |
13,2 |
||||||||
|
6 |
8,69 |
8,69 |
8,69 |
8,69 |
||||||||
|
10 |
5,17 |
5,17 |
5,17 |
5,17 |
||||||||
|
16 |
3,19 |
3,19 |
3,19 |
3,19 |
||||||||
|
r |
x |
z |
r |
x |
z |
r |
x |
z |
||||
|
25 |
1,961 |
1,961 |
0,329 |
2,014 |
1,961 |
0,201 |
1,961 |
1,961 |
0,297 |
1,961 |
||
|
35 |
1,431 |
1,431 |
0,307 |
1,431 |
1,431 |
0,191 |
1,431 |
1,431 |
0,286 |
1,431 |
||
|
50 |
1,049 |
1,060 |
0,307 |
1,113 |
1,049 |
0,191 |
1,060 |
1,049 |
0,286 |
1,060 |
||
|
70 |
0,721 |
0,742 |
0,297 |
0,795 |
0,721 |
0,186 |
0,753 |
0,721 |
0,276 |
0,774 |
||
|
95 |
0,519 |
0,541 |
0,286 |
0,615 |
0,519 |
0,180 |
0,551 |
0,519 |
0,276 |
0,594 |
||
|
120 |
0,413 |
0,435 |
0,276 |
0,509 |
0,413 |
0,175 |
0,456 |
0,413 |
0,265 |
0,498 |
||
|
150 |
0,339 |
0,350 |
0,276 |
0,456 |
0,339 |
0,175 |
0,382 |
0,339 |
0,265 |
0,435 |
||
|
185 |
0,265 |
0,286 |
0,276 |
0,392 |
0,276 |
0,175 |
0,318 |
0,265 |
0,265 |
0,382 |
||
|
240 |
0,201 |
0,223 |
0,276 |
0,350 |
0,212 |
0,170 |
0,265 |
0,207 |
0,265 |
0,329 |
||
|
300 |
0,164 |
0,186 |
0,265 |
0,329 |
0,170 |
0,170 |
0,233 |
0,164 |
0,265 |
0,307 |
||
|
400 |
0,127 |
0,148 |
0,265 |
0,307 |
0,138 |
0,164 |
0,212 |
0,133 |
0,254 |
0,286 |
||
|
500 |
0,099 |
0,127 |
0,265 |
0,297 |
0,111 |
0,164 |
0,196 |
0,104 |
0,254 |
0,276 |
||
|
630 |
0,076 |
0,106 |
0,265 |
0,286 |
0,091 |
0,164 |
0,186 |
0,083 |
0,254 |
0,265 |
||
|
Conductor cross- sectional area |
3 or 4 cables three-phase AC |
|||||||||||
|
Reference Method A&B (enclosed in conduit or trunking) |
Reference Method C&F (clipped direct, on tray or in free air |
|||||||||||
|
Cables Touching, Trefoil |
Cables Touching, Flat |
Cables spaced* , Flat |
||||||||||
|
mV/A/m |
mV/A/m |
mV/A/m |
mV/A/m |
|||||||||
|
1 |
44 |
44 |
44 |
44 |
||||||||
|
1,5 |
29,7 |
29,7 |
29,7 |
29,7 |
||||||||
|
2,5 |
17,6 |
17,6 |
17,6 |
17,6 |
||||||||
|
4 |
11 |
11 |
11 |
11 |
||||||||
|
6 |
7,48 |
7,48 |
7,48 |
7,48 |
||||||||
|
10 |
4,4 |
4,4 |
4,4 |
4,4 |
||||||||
|
16 |
2,75 |
2,75 |
2,75 |
2,75 |
||||||||
|
r |
x |
z |
r |
x |
z |
r |
x |
z |
r |
x |
z |
|
|
25 |
1,696 |
0,286 |
1,749 |
1,696 |
0,175 |
1,696 |
1,696 |
0,201 |
1,696 |
1,696 |
0,286 |
1,749 |
|
35 |
1,219 |
0,265 |
1,219 |
1,219 |
0,164 |
1,219 |
1,219 |
0,191 |
1,219 |
1,219 |
0,276 |
1,272 |
|
50 |
0,922 |
0,265 |
0,954 |
0,912 |
0,164 |
0,922 |
0,912 |
0,191 |
0,922 |
0,912 |
0,276 |
0,943 |
|
70 |
0,636 |
0,254 |
0,689 |
0,625 |
0,159 |
0,647 |
0,625 |
0,186 |
0,657 |
0,625 |
0,265 |
0,689 |
|
95 |
0,466 |
0,244 |
0,530 |
0,456 |
0,154 |
0,477 |
0,456 |
0,180 |
0,488 |
0,456 |
0,265 |
0,519 |
|
120 |
0,371 |
0,244 |
0,445 |
0,360 |
0,148 |
0,392 |
0,360 |
0,175 |
0,403 |
0,360 |
0,254 |
0,445 |
|
150 |
0,307 |
0,244 |
0,392 |
0,297 |
0,148 |
0,329 |
0,297 |
0,175 |
0,339 |
0,297 |
0,254 |
0,392 |
|
185 |
0,244 |
0,244 |
0,339 |
0,233 |
0,148 |
0,276 |
0,233 |
0,175 |
0,297 |
0,233 |
0,254 |
0,350 |
|
240 |
0,196 |
0,233 |
0,307 |
0,180 |
0,148 |
0,233 |
0,180 |
0,175 |
0,254 |
0,180 |
0,254 |
0,307 |
|
300 |
0,159 |
0,233 |
0,286 |
0,148 |
0,148 |
0,207 |
0,143 |
0,170 |
0,223 |
0,143 |
0,254 |
0,276 |
|
400 |
0,133 |
0,233 |
0,265 |
0,117 |
0,143 |
0,186 |
0,117 |
0,170 |
0,207 |
0,117 |
0,254 |
0,265 |
|
500 |
0,106 |
0,233 |
0,254 |
0,095 |
0,143 |
0,170 |
0,093 |
0,170 |
0,191 |
0,090 |
0,254 |
0,254 |
|
630 |
0,093 |
0,223 |
0,244 |
0,078 |
0,143 |
0,159 |
0,075 |
0,170 |
0,180 |
0,072 |
0,244 |
0,254 |
| * Spacings larger than one cable diameter will result in a larger voltage drop.
The above table is in accordance with BS 7671:2018 |
||||||||||||
