IEC331 Standard Single Core FRC Cable Flame Resistant Cable Good Fire Safety Capability
IEC331 Standard Single Core FRC cable with good Fire Safety Capability
Application:
Fire resistant cable is one kind of cable that can keep certain safe running time in the case of flame combustion. Fire resistant cable is widely used in high-rise buildings, underground railway, underground street, large power station and important industrial and mining enterprises and other places related to fire safety and fire rescue.
Construction:
1 ..... stranded (RM) bare copper
2 ..... Mica Tape for Fire Resistant
3 ..... core insulation of cross-linked polyethylene
4 ..... Fillers
5 ..... Wrapping tape or Flame Retardant tape
6 ..... PVC Inner Bedding
7 ..... Galvanized Steel Wire Armour
8 ..... outer sheath of Low smoke halogen-free flame retardantmaterial (LSOH)
Standards:
IEC 60502, 60228, 60332, 60331
Operating characteristics
1. Cable laying temperature: ≥0°C
2. The highest rated temperature values of PVC insulated cable conductor and XLPE insulated cable conductor are 70°C, and 90°C, respectively.
3. The highest rated temperature values of cable conductor in case of short circuit (the longest duration not more than 5s) does not exceed 160°C and 250°C for PVC insulation and XLPE insulation, respectively
4. Under rated voltage of the cable, the fire-resistant cable can maintain 90 min normal operation in is 750°C-800°C flame.
5. Bending radius: same as ordinary cabl.
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