Implementation of the standards:
1,this product is designed and manufactured according to GB/T12706-2002.
2,flame retardant power cable accordance with the standards of production enterprises,flame retardant characteristics meet the requirements GB/T18380.3.
3,fire-resistant power cables manufactured accoring to corporate standards, including fire-resistant characteristics meet GB/T12666.6 requirements.
Characteristics:
1,Long-term allowable working temperature of cable conductor does not exceed 70℃.Circuit is blocked (the longest duration of no more than 5 seconds).the conductor temperature does not exceed 160 ℃. 2,While installation the ambient temperature should not less than 0℃,lower than 0℃ should be prehrated. Minimum bending radius of not less than cable diameter, single-core cables without armor 20 times,there with armor-cable 15 times, three-core cables without armor 15 times, there with armor-cable 12 times 3,DC reistance of conductor shall comply with the provisions of GB/T3956
4, Power frequency withstand voltage test:3.5KV/5min without breakdown.
Manin use: This product is suitable for AC rated voltage 0.6/1KV the circuit, Transmission of electrical energy used. Flame retardant power cable is suitable installed in fire-retardant demanding situations, Resistant power cable for high-rise building, shopping malls and other densely populated areas.
Retardant performance
1,Retardant cable can withstand GB/T 18380.3 prescribed bunched burning test.
2,smoke density in accordance with the requirement of GB/T 17651.1.
3,Combustion gases precipitated HCL content should be <and =100mg/g
4,resistant cable can withstand GBA/T 12666.6 fire test requirements.
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runs laying conditions Laying in the air
1,1-core cable parallel laid distance:Smalles than 185mm2 ,it is 2 times the cable diameter. bigger than 240mm2, the distance is 90mm.
2,wire surrounding ambient temperature:40 ℃.
3,conductive core maximum allowable temperature : 70℃.
Direct burial installation
1,1-core cable is laid without contact, the center distance of 2 times the cable diameter.
2,wire surrounding ambient temperature:25 ℃.
3,conductive core maximum allowable temperature : 70℃.
4, Thermal resistivity of soil:1.0 ℃.m/w 5,Direct buried depth :0.7m
