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Fire resistant power cable can maintain the integrity of the circuit and continue to work for a period of time when exposed to fire. The cables are also know as CU/MICA/PVC/PVC 0.6/1KV or CU/MICA/XLPE/PVC 0.6/1KV to basic standard IEC60502-1 or BS 7846.
Layers of the mica tape is key materil to obtain the function of fire resistance in the cable. We we twist two layers of mica tape with 80% overlap rate whcih acheives a good performance of fire resistant.
Fire Resistant Power Cable (1-4cores) Parameter
Cross-sectional Area (mm2) |
No.&diameter of wire (N/mm) |
Average overall diameter (mm) |
Reference weight (kg/km) |
Conductor Resistance (Ω/km) 20ºC Max |
1.5 |
7/0.52 |
6.6 |
58 |
12.1 |
2.5 |
7/0.67 |
7.1 |
72 |
7.41 |
4.0 |
7/0.85 |
7.6 |
91 |
4.61 |
6.0 |
7/1.04 |
8.3 |
117 |
3.08 |
10 |
7/1.35 |
9.3 |
165 |
1.83 |
16 |
7/1.70 |
10.3 |
229 |
1.15 |
25 |
7/2.24 |
11.6 |
333 |
0.727 |
35 |
19/1.56 |
12.6 |
420 |
0.524 |
50 |
19/1.86 |
14.1 |
564 |
0.387 |
70 |
14/2.55 |
16.2 |
762 |
0.268 |
95 |
19/2.55 |
17.8 |
1010 |
0.193 |
120 |
24/2.55 |
19.6 |
1263 |
0.153 |
150 |
30/2.55 |
21.6 |
1539 |
0.124 |
185 |
37/2.55 |
23.8 |
1910 |
0.0991 |
240 |
48/2.55 |
26.4 |
2463 |
0.0754 |
300 |
60/2.55 |
29 |
3060 |
0.0601 |
400 |
60/2.95 |
32.7 |
3991 |
0.0470 |
Description of Fire Resistant Power Cable (1-4cores)
Rated Temperature: 90oC
• Rated Voltage: 600/1000V
• Reference Standard: IEC60502-1, BS6387, BS7846, IEC60331, IEC60332-1, IEC60332-3, IEC60754, IEC61034
• Model: FR/XLPE/LSZH
• Stranded copper conductors (FR10)
• Mica/Glass fire resistant tape
• Insulated with cross-link polyethylene compound
• LSZH bedded
• LSZH sheathed overall
Application Of Fire Resistant Power Cable (1-4cores)
For nuclear power plants, underground railways, tunnels, airports, docks, radio tower and other high fire resistant requirements situation.
More than 20 years knowledge in cables industry, we, as one of the top wire and cable manufacturers, pvc cable manufacturers，low smoke zero halogen cable manufacturers， supply reliable cables worldwidely inculding control cables, fire resistant power cable, building wire, electric wire, power cable, control cable, flexible cable, screen cable, armoured cabel, LSZH cable.
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