Product Description
Scope of application
This product adopts copper conductor, mineral mica tape insulation, glass fiber wrapping, high flame retardant filling rope filling, vitrified polyolefin oxygen barrier and low smoke halogen-free flame retardant polyolefin outer sheath, which is suitable for high-rise buildings, hotels, hypermarkets, hospitals, stations, airports, subways, public transportation and large public entertainment places with rated voltage of 0.6/1kV and below, which require high fire safety. It is especially suitable for the power supply lines of fire alarm equipment, communication and smoke exhaust equipment, emergency guide lights, etc. It has the advantages of super fire resistance, high load capacity, mechanical damage resistance, halogen-free and non-toxic, waterproof, corrosion resistance, high temperature resistance, good flexibility, long distance continuous production, etc.
Implementation standard
Q/07768797-1-11-2020 "rated voltage 0.6/1kV heavy duty copper core copper sheath mineral insulated flexible fireproof cable
Model specification
|
Model |
Name |
Nominal cross-sectional area (number of cores) mm² |
|
BTTRZ |
Inorganic mineral insulated flexible fireproof cable |
1.5-300 (1-5 cores) |
Use guidelines
Rated rated voltage Uo/U: 0.6/1kV;
Long-term allowable operating temperature: the maximum conductor temperature is 90℃ during normal operation of the cable, and the maximum conductor temperature is 250℃ during short circuit (when the maximum duration is 5s);
Cable laying temperature should not be lower than 0℃;
Minimum bending radius (D is the outer diameter of the cable):
Cable outer diameter mm: D ≤ 12, cable minimum bending radius: 6D;
Cable outside diameter mm: 12 < D ≤ 20, the minimum bending radius of the cable: 10D;
Cable outside diameter mm: 20 < D ≤ 40, the minimum bending radius of the cable: 15D;
Cable outside diameter mm: D>40, cable minimum bending radius: 20D.
Special characteristics
Fireproof characteristics: It can supply power continuously for a long time in case of fire, and can withstand the impact of spraying water and heavy falling objects in case of fire, in accordance with BS6387:2013 or BS8491:2008 or GB/T 19216. 21-2003.
