NH-BLV Hard aluminum core refractory wire
NH-BLV
NH-BLV hard aluminum core refractory wire plays a key role in the field of electrical safety. "NH" shows its fire resistance. Even if it encounters a high-temperature flame of 750-1000℃, it can continue to supply power for more than 180 minutes with the internal double-layer gold mica belt wrap structure, ensuring the stable operation of key circuits such as fire protection and emergency lighting during fire. The wire uses high-purity aluminum as the conductor. Compared with the copper core, the cost is significantly reduced and the weight is lighter. In large-scale projects, it is easy to transport and construction, greatly saving manpower and material costs. The insulating layer is composed of polyvinyl chloride, which not only has excellent insulation, moisture and corrosion resistance, but also can assist in enhancing the fire resistance effect and ensure that the wires work stably in an environment of -15℃ to 70℃. Suitable for AC circuits of 450/750V and below, it is often used in high-rise buildings, shopping malls, hospitals, subways and other places with extremely high fire protection requirements. It undertakes wiring tasks such as lighting and equipment connections, and builds a solid line of defense for the safe and stable operation of the electrical system.
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NH-BLV Hard Aluminum Core Refractory Wire: Fire-Resistant Performance for Critical Systems
NH-BLV hard aluminum core refractory wire is a specialized electrical solution engineered to withstand extreme fire conditions, making it ideal for safeguarding essential circuits in high-risk environments. The"NH"designation ensures fire resistance, with a mica tape wrapping process that maintains power supply for over 180 minutes in intense flames (750–1000℃), crucial for sustaining firefighting equipment, emergency lighting, and safety systems during emergencies. Its high-purity aluminum core offers lightweight conductivity at a lower cost than copper, suitable for large-scale installations where fire resilience and economy are prioritized.
NH-BLV hard aluminum core refractory wire is a specialized electrical solution engineered to withstand extreme fire conditions, making it ideal for safeguarding essential circuits in high-risk environments. The"NH"designation ensures fire resistance, with a mica tape wrapping process that maintains power supply for over 180 minutes in intense flames (750–1000℃), crucial for sustaining firefighting equipment, emergency lighting, and safety systems during emergencies. Its high-purity aluminum core offers lightweight conductivity at a lower cost than copper, suitable for large-scale installations where fire resilience and economy are prioritized.
The PVC insulation provides mechanical strength and protection against moisture, corrosion, and abrasion, enabling reliable operation in temperatures from -15℃ to 70℃. Rated for AC circuits up to 450/750V, NH-BLV is widely used in industrial facilities, high-rise buildings, subways, and hospitals with strict fire codes. Its ability to maintain circuit integrity under fire conditions ensures critical infrastructure remains operational when safety is non-negotiable.
As a cost-effective 耐火 (refractory) solution, NH-BLV balances fire resistance, durability, and affordability, making it a trusted choice for projects that demand both performance and budget efficiency. Keywords: NH-BLV, aluminum core, refractory wire, mica tape, fire resistance, electrical safety, emergency systems, PVC insulation.