RTTZ flexible mineral-insulated fire-resistant cable
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RTTZ flexible mineral-insulated fire-resistant cable, also known as YTTW cable, is a high-performance power cable mainly used in situations requiring high fire safety.
Specification Name and Structural Features
Specification Name: RTTZ cable, also known as YTTW cable, full name is copper core mica tape mineral insulated corrugated copper sheath power cable.
Structural Features: The cable interior uses oxygen-free copper as the core material, the insulation layer is magnesium oxide, and the outer layer is wrapped with a threaded copper tube as the sheath, providing excellent fire and mechanical protection. In addition, a low-smoke halogen-free outer sheath can be added to meet the needs of specific environments.
Voltage Level and Core Material
Voltage: The rated voltage of RTTZ cable is 0.6/1KV, suitable for medium and low voltage power transmission systems.
Core Material: Oxygen-free copper, with excellent conductivity and corrosion resistance, ensuring the stability and reliability of the cable during long-term operation.
Sheath and Insulation Material
Sheath Material: Threaded copper tube, not only provides excellent mechanical strength, but also maintains the integrity of the cable structure at high temperatures, preventing flame spread.
Insulation Material: Magnesium oxide, an inorganic insulation material, has extremely high fire resistance and stability, and can maintain insulation performance unchanged at high temperatures.
Performance Advantages
1. Excellent fire performance: The fire resistance rating of RTTZ cable is high, meeting the requirements of many domestic and international fire safety standards, such as the requirements of national standard GB12666.6A Class 950℃, 90min, and the requirements of British standard BS6387 Class A 650℃, 3h; Class B 750℃, 3h; Class C 950℃, 3h. During combustion, the cable can also withstand water spray and mechanical impact, providing valuable time for escape and rescue in a fire.
2. High temperature stability: The cable will not burn at high temperatures, and the long-term operating temperature can reach 250℃. Even in extreme conditions reaching 1000℃, it can operate for a short time of 30 minutes.
3. High mechanical strength and flexibility: RTTZ cable has high mechanical strength and long service life. At the same time, its flexible characteristics make the cable easier to bend and install, adapting to various complex environments and usage scenarios.
4. Environmental protection performance: The cable's insulation material uses inorganic materials (non-combustible), and will not produce any harmful gases during combustion, in line with the sustainable development concept of modern society.
Application Scenarios
Due to its excellent performance, RTTZ flexible mineral-insulated fire-resistant cable is widely used in many fields:
Public buildings: such as high-rise buildings, public entertainment venues, conference centers, exhibition centers, exhibition centers, stadiums, hotels, hospitals, schools, etc.
High-temperature industries: such as metallurgical industry, shipbuilding industry, steel industry, etc., power transmission and distribution lines in high-temperature places.
Underground locations: such as subways, underground warehouses, tunnels, etc.
In summary, RTTZ flexible mineral-insulated fire-resistant cable is a high-performance cable product with excellent fire performance, high-temperature stability, high mechanical strength and flexibility, and environmental protection performance. These characteristics make RTTZ cable an ideal choice for various occasions, performing excellently in both civil construction and industrial applications.
RTTZ flexible mineral-insulated fire-resistant cable
If you need customized products, Contact us!
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