Fire resistant cable
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Description
1. AC rated voltage: U/ U (V Series: 600 / 1000V, K Series: 450 / 750V, B series: 450 / 750V).
2. Maximum long-term operating temperature of cable
(1) Enf insulation and sheath: 70 ℃ and 105 ℃; XLPE insulation: 90 ℃;
(2) Fluoroplastic insulation and sheath: 220 ℃ and 260 ℃; fluoroplastic insulation and 105 ℃ flame retardant polyfluoroethylene sheath: 90 ℃ and 125 ℃.
(3) Low halogen and low smoke flame retardant PVC insulation and sheath: 70 ℃; halogen free and low smoke flame retardant polyolefin insulation and sheath: 90 ℃ and 125 ℃.
3. Minimum ambient temperature:
(1) Flame retardant PVC insulation and sheath: fixed laying - 40 ℃; non fixed laying - 15 ℃;
(2) Fluoroplastic insulation and sheath: fixed laying - 60 ℃; non fixed laying - 20 ℃;
4. The safe laying temperature of cables shall not be lower than 0 ℃.
5. Fire resistance characteristics:
Comply with GA 306.2-2007 and GB / T 19216.21-2003
Flame temperature flame temperature 950 ℃ - 1000 ℃, flame temperature 750 ℃ - 800 ℃
Combustion time combustion time 90min (recommended) combustion time 90min (recommended)
Additional voltage rated voltage (min. 100V) rated voltage (min. 100V)
Fire resistance class A (class IA ~ IVA) class I ~ IV
6. Recommended allowable bending radius for laying: non armored and braided shielded cables shall not be less than 6 times of the outer diameter of the cable;
Steel tape armored cable shall not be less than 12 times of the outer diameter of the cable;
Fluoroplastic insulated and sheathed cables shall not be less than 8 times the outer diameter of the cable
Fire resistant cable jpg


