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Marine, OIL,GAS & Petrochemical Cables |
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 British Standard Fire resistant Shipwiring cables to BS 7917
Armoured 250V Instrumentation
Manufactured in both pairs and triples these 150/250V fire resistant instrumentation cables provide collective or individual screening through the use of metallic foils and drain wires. Offering good flexibility for installation in confined spaces or where difficult routing is necessary, the galvanised steel wire braid provides mechanical protection. Using Mica tapes and SW4 Low Smoke Halogen Free compounds, circuit integrity and low smoke emissions are achieved to maintain emergency circuits and smoke free exit routes.
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Core Identification
| Pairs : |
Each pair black, white and numbered |
| Triples : |
Each triple black, white, red and numbered |
| (Alternative colour codes are available) |
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Technical Information
| Voltage rating |
150/250V |
| Conductors |
Tinned, BS6360 class 2 or class 5 |
| Temperature rating |
+90°C maximum conductor temperature |
| Static temperature rating |
-30°C to +90°C |
| Bending radius (static) |
8 x cable O/D |
| Flame retardant |
IEC60332 part 3A, BS4066 part 3A |
| Fire resistant |
IEC60331 |
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Technical Data |
No. of
Pairs |
Nominal Conductor
Cross-Sectional
Area mm² |
Diameter over
inner sheath
min-max mm |
Diameter over
outer sheath
min-max mm |
| Pairs collective
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| 3 |
0.75 |
14.0 - 16.0 |
18.1 - 20.5 |
| 7 |
0.75 |
18.6 - 20.7 |
22.9 - 25.8 |
| 12 |
0.75 |
24.4 - 27.0 |
29.1 - 32.7 |
| 20 |
0.75 |
30.8 - 34.0 |
36.8 - 40.7 |
| 27 |
0.75 |
35.0 - 38.4 |
41.4 - 45.9 |
| 37 |
0.75 |
38.8 - 42.6 |
45.4 - 50.1 |
| 3 |
1 |
14.8 - 16.8 |
18.9 - 21.3 |
| 7 |
1 |
19.6 - 22.0 |
24.1 - 27.1 |
| 12 |
1 |
25.8 - 28.5 |
30.7 - 34.4 |
| 20 |
1 |
32.6 - 35.8 |
38.8 - 43.2 |
| 27 |
1 |
37.3 - 40.8 |
43.7 - 48.3 |
| 37 |
1 |
41.3 - 45.2 |
48.1 - 53.3 |
| Pairs individual
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| 1 |
0.75 |
8.1 - 9.8 |
11.9 - 13.7 |
| 3 |
0.75 |
14.0 - 16.0 |
18.1 - 20.5 |
| 7 |
0.75 |
19.0 - 21.1 |
23.5 - 26.4 |
| 12 |
0.75 |
23.8 - 26.4 |
28.7 - 31.9 |
| 20 |
0.75 |
30.4 - 33.5 |
36.5 - 40.5 |
| 27 |
0.75 |
34.6 - 37.9 |
41.2 - 45.7 |
| 37 |
0.75 |
40.5 - 44.3 |
47.4 - 52.2 |
| 1 |
1 |
8.5 - 10.3 |
12.3 - 14.2 |
| 3 |
1 |
15.0 - 17.0 |
19.1 - 21.5 |
| 7 |
1 |
20.0 - 22.5 |
24.5 - 27.6 |
| 12 |
1 |
25.4 - 28.0 |
31.2 - 34.9 |
| 20 |
1 |
32.1 - 35.3 |
38.5 - 42.9 |
| 27 |
1 |
36.8 - 40.2 |
43.6 - 48.2 |
| 37 |
1 |
43.0 - 47.0 |
50.2 - 55.5 |
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No. of
Triples |
Nominal Conductor
Cross-Sectional
Area mm² |
Diameter over
inner sheath
min-max mm |
Diameter over
outer sheath
min-max mm |
| Triples collective
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| 3 |
0.75 |
15.0 - 17.0 |
19.1 - 21.5 |
| 7 |
0.75 |
20.5 - 23.0 |
25.1 - 28.1 |
| 12 |
0.75 |
25.6 - 28.3 |
31.4 - 35.1 |
| 3 |
1 |
15.8 - 17.8 |
20.1 - 22.9 |
| 7 |
1 |
21.9 - 24.4 |
26.6 - 29.7 |
| 12 |
1 |
27.1 - 29.8 |
33.1 - 36.9 |
| Triples individual
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| 1 |
0.75 |
8.1 - 9.8 |
11.9 - 13.7 |
| 3 |
0.75 |
15.0 - 17.0 |
19.3 - 22.1 |
| 7 |
0.75 |
20.8 - 23.3 |
25.5 - 28.6 |
| 12 |
0.75 |
25.8 - 28.5 |
31.8 - 35.6 |
| 1 |
1 |
8.7 - 10.5 |
12.5 - 14.4 |
| 3 |
1 |
15.8 - 17.9 |
20.1 - 23.0 |
| 7 |
1 |
22.0 - 24.5 |
26.7 - 29.8 |
| 12 |
1 |
27.5 - 30.2 |
33.5 - 37.3 |
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