Fireproof Bus Duct
Product Introduction
Designed specifically for venues with high fire protection requirements, the fire-resistant busway is a core power transmission equipment that adopts a multi-layer composite fireproof structure to ensure the continuous and stable operation of the power system under extreme conditions. It can maintain circuit integrity for more than 180 minutes in a high-temperature environment of 950℃. The core fire-resistant layer uses ceramic fiber blanket fireproof materials, which can effectively isolate flames and high-temperature thermal radiation. The product's rated current covers the range of 250A-4000A, with a voltage class up to 690V. It is particularly suitable for key sites with strict fire protection requirements, such as nuclear power plant safety power supplies, ultra-high-rise building shafts, and subway tunnels. Its modular design supports rapid installation and maintenance, and the low-maintenance feature throughout the lifecycle can significantly reduce operating costs, making it an indispensable safety guarantee component in the power distribution system.
Product Details
1.Ultra-strong Fire-resistant Protection Capability:
The product adopts an innovative double-layer aluminum alloy casing structure, with a fireproof filling layer composed of ceramic fiber blankets built in the middle. This design can simultaneously achieve four core functions: efficiently blocking heat conduction, providing structural buffer protection, resisting smoke corrosion, and enhancing insulation performance. The casing, treated with special processes and combined with a closed structure design, enables the overall protection level to reach IP66. It can effectively prevent dust intrusion and withstand high-pressure water jet spraying, having certain waterproof performance while ensuring fire resistance.
2.Double Insulation Protection:
Compared with ordinary busway conductors that are only wrapped in polyester film, fire-resistant busways additionally install a layer of mica tape outside the polyester film for composite wrapping. This "polyester film + mica tape" double insulation structure significantly enhances the insulation reliability of conductors in high-temperature environments through the synergistic complementarity of material properties: the polyester film provides stable electrical insulation and moisture-proof protection under normal conditions, while the outer mica tape, with its high-temperature resistance, continuously maintains the insulation performance between conductors in extreme conditions such as fires, providing key support for fire-resistant busways to achieve continuous power supply during fires.

Product Specifications
| Product Name | Fire-Resistant Busway Straight Unit |
| Brand | Anbusway |
| Conductor Material | Copper Busbar /Aluminum Busbar |
| Protection Class | IP66 |
| Rated Voltage | 380V |
| Rated Current | 250A - 4000A |
| Rated Frequency | 50Hz |
| Warranty Period | 2 years |
| Enclosure Treatment | Plastic Spraying |
| Packaging | Default wooden case packaging, customized packaging supported |
| Manufacturing Address | Yangzhong City, Jiangsu Province,China |
| Certifications | CE, CB |
| Application Scenarios | Suitable for indoor use |
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