Fire resistant bus duct with good insulation performance

NegotiableUpdate on 12/19

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Overview

The fire-resistant bus duct has good insulation performance and adopts a "sandwich" phase line tightly stacked structure design. It has a compact appearance, small volume, low impedance, low voltage reduction, and good dynamic and thermal stability. The shell is composed of a mixture of cold-formed thin steel profiles, and the two side plates are double layered hollow structures, effectively preventing high-temperature gases or open flames from directly entering the interior of the bus duct. The surface of the bus duct shell is galvanized and sprayed with fireproof coating. When exposed to fire, the coating can quickly expand, forming a dense carbonized insulation layer that seals all gaps in the bus duct shell and prevents high temperatures from directly entering the interior of the bus.

Product Details

Fire resistant bus duct with good insulation performanceAdopting a "sandwich" phase line tightly stacked structure design, the appearance is compact, the volume is small, and it has the advantages of low impedance, voltage reduction, and good dynamic and thermal stability. The shell is composed of a mixture of cold-formed thin steel profiles, and the two side plates are double layered hollow structures, effectively preventing high-temperature gases or open flames from directly entering the interior of the bus duct. The surface of the bus duct shell is galvanized and sprayed with fireproof coating. When exposed to fire, the coating can quickly expand, forming a dense carbonized insulation layer that seals all gaps in the bus duct shell and prevents high temperatures from directly entering the interior of the bus.

Working principle and internal structure:

The working principle of fire-resistant bus ducts is based on their unique insulation and fire-resistant design. Usually, it consists of conductive bars, insulation layers, shells, and fire-resistant coatings. The conductive strip is responsible for transmitting electrical energy, while the insulation layer is made of high-temperature resistant materials such as mica or ceramic fibers to prevent short circuits and arcs. The outer shell is often made of metal material and coated with fire-resistant paint, which forms a protective layer at high temperatures, delaying heat transfer and protecting internal components. For example, when the ambient temperature rises, the refractory coating will expand and form a barrier, effectively isolating the fire source and ensuring that the bus duct remains functional for several hours. This design not only enhances security, but also reduces maintenance requirements.

Main performance characteristics:

Based on its unique design, the fire-resistant bus duct exhibits the following outstanding performance characteristics:

1. High reliability: The primary goal of its design is to ensure uninterrupted power supply under certain conditions. This reliability has been verified through rigorous simulated fire testing.

2. Good fire resistance: This is its most essential characteristic. Its fire resistance duration is usually tested and certified according to international or national standards to ensure effective operation within the nominal time.

3. Mechanical strength and durability: In order to maintain structural integrity in a fire, the outer shell and internal support usually have high mechanical strength, which can withstand certain impacts and vibrations, and to some extent improve the durability of the product in daily use.

4. Relatively convenient installation: Compared with laying a large number of fire-resistant cables, the use of bus duct scheme can achieve modular installation of the main line, reduce on-site joints, and improve installation efficiency and quality controllability.

5. Easy maintenance: Adopting a modular design, daily inspection and maintenance are more intuitive and convenient than checking a large number of scattered cables.

Common problems and answers for fire-resistant busbar trunking

Q: How long can fire-resistant bus ducts last without electricity?

Answer: The fire resistance time of different products may vary from 30 minutes to 2 hours, depending on the material and production process. When making a purchase, it is necessary to choose the appropriate grade according to actual needs.

Q: Is the fire-resistant bus duct fire-resistant?

Answer: The design goal of fire-resistant bus ducts is to slow down the spread of fire and maintain power transmission, but no equipment can be unaffected by fire. Its function is to buy time for emergency response.

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Fire resistant bus duct with good insulation performanceFuture Trends and Development:

With the advancement of technology and the improvement of safety awareness, fire-resistant bus ducts are developing towards higher efficiency and environmental protection. The application of new materials such as nanocomposite insulators is expected to further enhance fire resistance and durability. The integration of intelligent monitoring systems will also become a trend, by monitoring temperature and current in real time, and warning potential problems in advance. Manufacturers in the region are actively developing innovative products to meet market demand and promote sustainable industry development.

As an important component of power safety, fire-resistant bus ducts provide solid guarantees for the stable operation of modern society through their reliable design and wide application. Readers should pay attention to practicality and safety when choosing and using, in order to fully realize its value.