BS 7846
0.6/1 kV fire resistant, armoured, power cables
| -20/+90 °C | Flame Retardant IEC 60332-1-2 | Halogen Free IEC 60754-1 |
| Low Toxicity IEC 60754-1 | Low Corrosivity IEC… |

Application
Direct burial in free-draining soil conditions for fixed indoor and outdoor installations. Low levels of emission of smoke and corrosive gasses in case of fire. Fire resistant.
Construction
Cu/MT/XLPE/LSZH/SWA/LSZH
1- Conductor : Copper
2-Fire proof : Mica Tape
2-Insulation : XLPE
3- Filler : LSZH
4-Armour : Galvanized round steel wire
5- Outer sheath: LSZH
Technical Data
Min. bending radius 12 x D (D: Overall diameter)
Max. operating temperature 90ºC
Short circuit temperature: 250ºC
Details
| Construction | Cu/MT/XLPE/LSZH/SWA/LSZH |
|---|---|
| Standard | BS 7846 |
|
Nominal cross-section (mm²) |
Nominal Thickness of Insulation (mm) |
Approx. Diameter under armour |
Approximate overall diameter (mm) |
Max. Conductor DC resistance at 20 ºC (ohm/km) |
Approximate net weight (kg/km) |
GLAND |
Cable Cleats |
|
2×1.5 |
0,6 |
9,7 |
13,6 |
12,1 |
363 |
20S |
MS6 |
|
2×2.5 |
0,7 |
10,9 |
14,9 |
7,41 |
430 |
20S |
MS6 |
|
2×4 |
0,7 |
12,0 |
15,9 |
4,61 |
504 |
20 |
MS7 |
|
2×6 |
0,7 |
13,1 |
17,1 |
3,08 |
585 |
20 |
MS7 |
|
2×10 |
0,7 |
14,4 |
18,6 |
1,83 |
724 |
25 |
MS8 |
|
2×16 |
0,7 |
16,4 |
21,2 |
1,15 |
1038 |
25 |
MS9 |
|
2×25 |
0,9 |
16,4 |
21,8 |
0,727 |
1092 |
25 |
MS9 |
|
2×35 |
0,9 |
18,3 |
24,6 |
0,524 |
1482 |
25 |
MS10 |
|
2×50 |
1 |
20,7 |
27,0 |
0,387 |
1803 |
32 |
MS11 |
|
2×70 |
1,1 |
23,8 |
30,3 |
0,268 |
2338 |
32 |
MS12 |
|
2×95 |
1,1 |
26,9 |
34,4 |
0,193 |
3154 |
40 |
MS14 |
|
2×120 |
1,2 |
29,9 |
37,6 |
0,153 |
3781 |
40 |
MS16 |
|
2×150 |
1,4 |
32,7 |
40,6 |
0,124 |
4496 |
50S |
MS18 |
|
2×185 |
1,6 |
36,5 |
45,6 |
0,0991 |
5776 |
50S |
MS18 |
|
2×240 |
1,7 |
41,6 |
50,9 |
0,0754 |
7116 |
50 |
MT9 |
|
2×300 |
1,8 |
45,4 |
54,9 |
0,0601 |
8562 |
63S |
MT9 |
|
2×400 |
2 |
51,6 |
61,5 |
0,047 |
10623 |
63 |
MT10 |
|
3×1.5 |
0,6 |
10,3 |
14,2 |
12,1 |
395 |
20S |
MS6 |
|
3×2.5 |
0,7 |
11,7 |
15,6 |
7,41 |
477 |
20 |
MS7 |
|
3×4 |
0,7 |
12,8 |
16,7 |
4,61 |
559 |
20 |
MS7 |
|
3×6 |
0,7 |
14,0 |
18,0 |
3,08 |
662 |
25 |
MS8 |
|
3×10 |
0,7 |
15,5 |
20,3 |
1,83 |
954 |
25 |
MS9 |
|
3×16 |
0,7 |
17,5 |
22,6 |
1,15 |
1225 |
25 |
MS9 |
|
3×25 |
0,9 |
17,3 |
23,4 |
0,727 |
1860 |
25 |
MS10 |
|
3×35 |
0,9 |
19,6 |
25,9 |
0,524 |
2269 |
25 |
MS11 |
|
3×50 |
1 |
22,7 |
29,0 |
0,387 |
2337 |
32 |
MS12 |
|
3×70 |
1,1 |
26,2 |
32,7 |
0,268 |
3097 |
40 |
MS14 |
|
3×95 |
1,1 |
29,9 |
37,4 |
0,193 |
4202 |
40 |
MS16 |
|
3×120 |
1,2 |
33,2 |
40,9 |
0,153 |
5050 |
50S |
MS18 |
|
3×150 |
1,4 |
37,3 |
46,2 |
0,124 |
6522 |
50S |
MS20 |
|
3×185 |
1,6 |
41,2 |
50,3 |
0,0991 |
7795 |
50 |
MS20 |
|
3×240 |
1,7 |
46,2 |
55,5 |
0,0754 |
9679 |
63S |
MT9 |
|
3×300 |
1,8 |
51,2 |
60,7 |
0,0601 |
11760 |
63 |
MT10 |
|
3×400 |
2 |
58,4 |
68,3 |
0,047 |
14713 |
75S |
MT11 |
|
Nominal cross-section (mm²) |
Nominal Thickness of Insulation (mm) |
Approx. Diameter under armour |
Approximate overall diameter (mm) |
Max. Conductor DC resistance at 20 ºC (ohm/km) |
Approximate net weight (kg/km) |
GLAND |
Cable Cleats |
|
4 x 1,5 |
0,6 |
11,4 |
15,2 |
12,1 |
442 |
20S |
MS7 |
|
4 x 2,5 |
0,7 |
12,9 |
16,8 |
7,41 |
541 |
20 |
MS7 |
|
4 x 4 |
0,7 |
14,1 |
18,0 |
4,61 |
642 |
25 |
MS8 |
|
4 x 6 |
0,7 |
15,5 |
20,3 |
3,08 |
892 |
25 |
MS9 |
|
4 x 10 |
0,7 |
17,1 |
21,9 |
1,83 |
1116 |
25 |
MS9 |
|
4 x 16 |
0,7 |
19,4 |
24,4 |
1,15 |
1444 |
25 |
MS10 |
|
4×25 |
0,9 |
19,8 |
25,9 |
0,727 |
1841 |
25 |
MS11 |
|
4×35 |
0,9 |
22,4 |
28,7 |
0,524 |
2317 |
32 |
MS12 |
|
4×50 |
1 |
26,1 |
32,6 |
0,387 |
2942 |
32 |
MS14 |
|
4×70 |
1,1 |
30,3 |
37,8 |
0,268 |
4191 |
40 |
MS16 |
|
4×95 |
1,1 |
34,3 |
42,0 |
0,193 |
5318 |
50S |
MS18 |
|
4×120 |
1,2 |
38,5 |
47,4 |
0,153 |
6859 |
50 |
MS20 |
|
4×150 |
1,4 |
42,9 |
52,0 |
0,124 |
8268 |
50 |
MT9 |
|
4×185 |
1,6 |
47,4 |
56,7 |
0,0991 |
9926 |
63S |
MT9 |
|
4×240 |
1,7 |
53,4 |
62,9 |
0,0754 |
12424 |
63 |
MT10 |
|
4×300 |
1,8 |
59,0 |
68,9 |
0,0601 |
15134 |
75S |
MT11 |
|
4×400 |
2 |
67,7 |
79,2 |
0,047 |
19906 |
MT14 |
|
|
5 x 1,5 |
0,6 |
12,5 |
16,5 |
12,1 |
507 |
20 |
MS7 |
|
5 x 2,5 |
0,7 |
14,2 |
18,2 |
7,41 |
617 |
25 |
MS8 |
|
5 x 4 |
0,7 |
15,6 |
19,7 |
4,61 |
748 |
25 |
MS8 |
|
5 x 6 |
0,7 |
17,2 |
22,0 |
3,08 |
1025 |
25 |
MS9 |
|
5 x 10 |
0,7 |
19,0 |
24,0 |
1,83 |
1302 |
25 |
MS10 |
|
5 x 16 |
0,7 |
22,0 |
27,9 |
1,15 |
1896 |
32 |
MS12 |
|
5 x 25 |
0,9 |
26,2 |
32,3 |
0,727 |
2583 |
32 |
MS14 |
|
5 x 35 |
0,9 |
28,9 |
35,2 |
0,524 |
3198 |
40 |
MS14 |
|
5 x 50 |
1 |
33,2 |
40,5 |
0,387 |
4360 |
50S |
MS16 |
|
5 x 70 |
1,1 |
38,1 |
45,8 |
0,268 |
5704 |
50S |
MS20 |
|
7 x 1,5 |
0,6 |
13,7 |
17,7 |
12,1 |
581 |
20 |
MS7 |
|
7 x 2,5 |
0,7 |
15,6 |
19,6 |
7,41 |
720 |
25 |
MS8 |
|
7 x 4 |
0,7 |
17,2 |
22,0 |
4,61 |
1015 |
25 |
MS9 |
|
12 x 1,5 |
0,6 |
18,5 |
23,3 |
12,1 |
990 |
25 |
MS10 |
|
12 x 2,5 |
0,7 |
21,1 |
26,1 |
7,41 |
1241 |
32 |
MS11 |
|
12 x 4 |
0,7 |
23,7 |
29,4 |
4,61 |
1719 |
32 |
MS12 |
|
19 x 1,5 |
0,6 |
21,9 |
26,9 |
12,1 |
1289 |
32 |
MS11 |
|
19 x 2,5 |
0,7 |
25,5 |
31,4 |
7,41 |
1855 |
32 |
MS14 |
|
19 x 4 |
0,7 |
28,0 |
33,9 |
4,61 |
2278 |
40 |
MS14 |

|
Nominal crosssectional area (mm²) |
Minimum number of wires in the conductor |
Maximum resistance of conductor at 20°C |
|||||||
|
Circular |
Circular Compacted |
Shaped |
Annealed copper conductor |
Aluminium or aluminium alloy conductor |
|||||
|
Cu |
Al |
Cu |
Al |
Cu |
Al |
Plain wires |
Metal-coated wires |
||
|
1,5 |
7 |
– |
6 |
– |
– |
– |
12,1 |
12,2 |
|
|
2,5 |
7 |
– |
6 |
– |
– |
– |
7,41 |
7,56 |
|
|
4 |
7 |
– |
6 |
– |
– |
– |
4,61 |
4,7 |
|
|
6 |
7 |
– |
6 |
– |
– |
– |
3,08 |
3,11 |
|
|
10 |
7 |
7 |
6 |
6 |
– |
– |
1,83 |
1,84 |
3,08 |
|
16 |
7 |
7 |
6 |
6 |
– |
– |
1,15 |
1,16 |
1,91 |
|
25 |
7 |
7 |
6 |
6 |
6 |
6 |
0,727 |
0,734 |
1,2 |
|
35 |
7 |
7 |
6 |
6 |
6 |
6 |
0,524 |
0,529 |
0,868 |
|
50 |
19 |
19 |
6 |
6 |
6 |
6 |
0,387 |
0,391 |
0,641 |
|
70 |
19 |
19 |
12 |
12 |
12 |
12 |
0,268 |
0,27 |
0,443 |
|
95 |
19 |
19 |
15 |
15 |
15 |
15 |
0,193 |
0,195 |
0,32 |
|
120 |
37 |
37 |
18 |
15 |
18 |
15 |
0,153 |
0,154 |
0,253 |
|
150 |
37 |
37 |
18 |
15 |
18 |
15 |
0,124 |
0,126 |
0,206 |
|
185 |
37 |
37 |
30 |
30 |
30 |
30 |
0,0991 |
0,1 |
0,164 |
|
240 |
37 |
37 |
34 |
34 |
34 |
34 |
0,0754 |
0,0762 |
0,125 |
|
300 |
61 |
61 |
34 |
34 |
34 |
34 |
0,0601 |
0,0607 |
0,1 |
|
400 |
61 |
61 |
53 |
53 |
53 |
53 |
0,047 |
0,0475 |
0,0778 |
| The above table is in accordance with BS EN 60228 | |||||||||
|
Conductor cross- sectional area |
Reference Method C |
Reference Method E |
Reference Method D |
|||
|
Clipped direct |
In free air or on a perforated cable tray etc, horizantal or vertical |
Direct in ground or in ducting in ground, in or around building |
||||
|
1 two core cable, single-phase AC or DC (A) |
Three or four core cable, three-phase AC (A) |
1 two core cable, single-phase AC or DC (A) |
Three or four core cable, three-phase AC (A) |
1 two core cable, single-phase AC or DC (A) |
Three or four core cable, three-phase AC (A) |
|
|
1,5 |
27 |
23 |
29 |
25 |
25 |
21 |
|
2,5 |
36 |
31 |
39 |
33 |
33 |
28 |
|
4 |
49 |
42 |
52 |
44 |
43 |
36 |
|
6 |
62 |
53 |
66 |
56 |
53 |
44 |
|
10 |
85 |
73 |
90 |
78 |
71 |
58 |
|
16 |
110 |
94 |
115 |
99 |
91 |
75 |
|
25 |
146 |
124 |
152 |
131 |
116 |
96 |
|
35 |
180 |
154 |
188 |
162 |
139 |
115 |
|
50 |
219 |
187 |
228 |
197 |
164 |
135 |
|
70 |
279 |
238 |
291 |
251 |
203 |
167 |
|
95 |
338 |
289 |
354 |
304 |
239 |
197 |
|
120 |
392 |
335 |
410 |
353 |
271 |
223 |
|
150 |
451 |
386 |
472 |
406 |
306 |
251 |
|
185 |
515 |
441 |
539 |
463 |
343 |
281 |
|
240 |
607 |
520 |
636 |
546 |
395 |
324 |
|
300 |
698 |
599 |
732 |
628 |
446 |
365 |
|
400 |
787 |
673 |
847 |
728 |
– |
– |
| The above table is in accordance with BS 7671:2018 | ||||||
|
Conductor cross- sectional area |
Two core cable DC |
Two core cable,single phase AC |
Three or four core cable,three phase AC |
||||
|
mV/A/m |
mV/A/m |
mV/A/m |
|||||
|
1,5 |
31 |
31 |
27 |
||||
|
2,5 |
19 |
19 |
16 |
||||
|
4 |
12 |
12 |
10 |
||||
|
6 |
7,9 |
7,9 |
6,8 |
||||
|
10 |
4,7 |
4,7 |
4,0 |
||||
|
16 |
2,9 |
2,9 |
2,5 |
||||
|
r |
x |
z |
r |
x |
z |
||
|
25 |
1,85 |
1,85 |
0,160 |
1,90 |
1,60 |
0,140 |
1,65 |
|
35 |
1,35 |
1,35 |
0,155 |
1,35 |
1,15 |
0,135 |
1,15 |
|
50 |
0,98 |
0,99 |
0,155 |
1,00 |
0,86 |
0,135 |
0,87 |
|
70 |
0,67 |
0,67 |
0,150 |
0,69 |
0,59 |
0,130 |
0,60 |
|
95 |
0,49 |
0,50 |
0,150 |
0,52 |
0,43 |
0,130 |
0,45 |
|
120 |
0,39 |
0,40 |
0,145 |
0,42 |
0,34 |
0,130 |
0,37 |
|
150 |
0,31 |
0,32 |
0,145 |
0,35 |
0,28 |
0,125 |
0,30 |
|
185 |
0,25 |
0,26 |
0,145 |
0,29 |
0,22 |
0,125 |
0,26 |
|
240 |
0,195 |
0,20 |
0,140 |
0,24 |
0,175 |
0,125 |
0,21 |
|
300 |
0,155 |
0,16 |
0,140 |
0,21 |
0,140 |
0,120 |
0,185 |
|
400 |
0,120 |
0,13 |
0,140 |
0,190 |
0,115 |
0,120 |
0,165 |
| The above table is in accordance with BS 7671:2018 | |||||||
