BTLY (BTLE) Flexible Mineral Insulated Fire-Resistant Cable

BTLY (BTLE) Flexible Mineral Insulated Fire-Resistant Cable Product Details The "Flexible Fire Barrier Flame Retardant Fire-Resistant Wire and Cable" independently developed by the group in 2009 was granted an exclusive invention patent certificate by the National Intellectual Property Administration in 2013. Since its full promotion and market launch in 2013, the product has received widespread acclaim from users. Applications: 1. Power supply for firefighting equipment and fire elevators in various buildings. 2. Power supply for equipment and lighting systems in important or densely populated buildings, such as convention centers, exhibition halls, hotels, airports, hospitals, shopping malls, parking lots, and other urban complexes. 3. Power supply for equipment in high-temperature environments, such as steel plants, smelters, and glass factories. 4. Power supply for equipment in flammable and explosive critical locations, such as petrochemical plants and coal mines. 5. Power supply for equipment in places requiring high cleanliness, such as hospitals and food factories. 6. Power supply for critical military, defense, aerospace, and satellite base equipment. 7. Power supply for essential equipment in power plants and nuclear power stations. 8. Power supply for modern rail transit lines, such as subways, high-speed rails, and light rails. Key Features and Advantages: 1. Flexibility: The cable's conductors use mature stranding technology, and the sheath is made of specially processed soft copper, providing resistance to mechanical impact and flexible bending. This avoids the common issues of terminal connections and delivery lengths encountered with rigid mineral insulated cables like BTTZ. 2. Fire Resistance: Both the conductor and sheath are made of copper, which has a melting point of 1080°C. The insulation and other auxiliary materials use minerals with a melting point above 1375°C, enabling the product to meet GB12666.6 and BS6387 standards. 3. Low Smoke: Smoke emission tests according to IEC1034 and GB/T17651.2-1998 show a light transmittance of over 80% (standard is 60%). 4. Halogen-Free: Since the mineral cable insulation and sheath are made of inorganic materials without typical PVC, no acidic gases are produced even under fire conditions. Tests according to GB/T17650.2-1998 show a pH value above 5.0 (standard requirement ≥4.3) and conductivity around 1.0 (standard requirement ≤10.0). 5. High Temperature Resistance: The cable can operate long-term at 125°C, replacing low-smoke halogen-free flame-retardant cables rated for 125°C. It can also operate short-term at 1080°C in emergencies. 6. Corrosion Resistance: The cable uses inorganic mineral materials for insulation, requiring no additional measures during installation. 7. High Current Carrying Capacity: Compared to cables of the same cross-section, conventional cables often fail due to insulation issues under overload, where conductors heat up and insulation degrades, causing short circuits. Mineral insulated fire-resistant cables use insulation with a melting point of 1375°C, resisting aging or delaying it, allowing higher current transmission and greater overload tolerance. 8. High Mechanical Strength: YTTW (BTTE)/NG-A and BTLY (BTLE) metal-sheathed mineral insulated fire-resistant cables have metal sheaths with high melting points, offering strong resistance to mechanical impact under fire conditions. BBTRZ non-metallic flexible isolated fire-resistant cables generate a honeycomb-like rigid structure in the isolation layer during combustion, effectively resisting external mechanical impact. 9. Customizable Length: As part of the flexible mineral insulated fire-resistant cable series, these cables can be coiled onto reels, allowing virtually unlimited manufacturing lengths. Factories can supply products based on customer-designated length requirements. 10. Stable Insulation Performance: The unlimited length eliminates the need for joints due to insufficient length during installation. Fewer joints mean higher insulation performance and reduced moisture susceptibility. Traditional BTTZ joints are prone to moisture. Product Specifications Models: NG-A, BTLY, BTLE Voltage Rating: 0.6/1kV Specifications: 1×1.5~1×630mm² 2×1.5~2×400mm² 3×1.5~3×400mm² 4×1.5~4×400mm² 5×1.5~1×400mm² 3×2.5+1×1.5~3×400+1×240mm² 4×2.5+1×1.5~4×400+1×240mm² 3×2.5+2×1.5~3×400+2×240mm² 4×2.5+2×1.5~4×400+2×240mm²