产品概述 Product Overview

通过防火母线确保安全性和可靠性

在防火至关重要的高温环境下，防火母线的使用对于保证电力系统安全稳定运行至关重要。 我们的耐火母线采用高温耐火材料精心制作而成，具有优异的耐高温和阻燃性能。 母线外层包裹有耐火材料，发生火灾时有效阻止火焰蔓延。 这种设计保证了电力系统及周围环境的安全，是电力系统、石化、冶金等行业的理想选择。

防火母线槽旨在为高温环境下运行的设备提供可靠的输配电解决方案。 母线内部采用高导热材料，即使在极热的条件下也能确保良好的导电性。 此功能对于维持电力系统的效率和稳定性至关重要，特别是在不间断供电至关重要的行业中。 此外，产品经过严格的防火测试和电气性能测试，以满足并超过国际安全和质量标准。

我们的防火母线的多功能性使其成为各种工业环境中不可或缺的组件。 无论是在发电厂、化学加工设施还是金属冶炼作业中，这些母线都为防火的环境中的电力传输提供了可靠的解决方案。 它们的耐高温和阻燃能力使其成为重要的安全措施，让操作员高枕无忧，即使面对潜在的火灾危险也能确保操作的连续性。

总体而言，我们的耐火母线体现了我们对输配电安全性和可靠性的承诺。 凭借其坚固的结构、符合国际标准以及在高温环境下经过验证的性能，这些母线为防火不容忽视的行业提供了可靠的解决方案。 通过选择我们的防火母线，企业可以通过可靠且有弹性的保护来增强其电力系统，抵御火灾带来的风险，确保不间断运行以及人员和资产的安全。

Ensuring safety and reliability with fireproof busbars

 In high-temperature environments where fire protection is crucial, the use of fire-resistant busbars is crucial to ensuring the safe and stable operation of the power system. Our refractory busbars are carefully made of high-temperature refractory materials and have excellent high-temperature resistance and flame-retardant properties. The outer layer of the busbar is wrapped with refractory material, which effectively prevents the spread of flames in the event of a fire. This design ensures the safety of the power system and the surrounding environment, and is an ideal choice for industries such as power systems, petrochemicals, and metallurgy.

 Fireproof bus duct is designed to provide reliable power transmission and distribution solutions for equipment operating in high temperature environments. High thermal conductivity materials are used inside the busbars to ensure good electrical conductivity even in extremely hot conditions. This feature is critical to maintaining power system efficiency and stability, especially in industries where uninterrupted power supply is critical. In addition, products undergo rigorous fire testing and electrical performance testing to meet and exceed international safety and quality standards.

 The versatility of our fireproof busbars makes them an indispensable component in a variety of industrial environments. Whether in power plants, chemical processing facilities or metal smelting operations, these busbars provide a reliable solution for power transmission in environments where fire protection is a priority. Their high temperature resistance and flame retardant capabilities make them an important safety measure, giving operators peace of mind and ensuring continuity of operations even in the face of potential fire hazards.

 Overall, our fire-resistant busbars demonstrate our commitment to the safety and reliability of power transmission and distribution. With their robust construction, compliance with international standards and proven performance in high-temperature environments, these busbars provide a reliable solution for industries where fire protection cannot be ignored. By choosing our fire-resistant busbars, businesses can enhance their power systems with reliable and resilient protection against the risks posed by fire, ensuring uninterrupted operations and the safety of people and assets.

采用标准 Adopting Standards

1、国家标准(GB7251.1-2005）《低压成套开关设备和控制设备第1 部分：型式试验和部分型式试验成套设备》。

2、国家标准（GB7251.2-2006）《低压成套开关设备和控制设备第2 部分：对母线干线系统（母线槽）的要求》。

3、国家标准（GB4208-2008）《外壳防护等级（IP 代码）》。

4、国家标准（GB/T5585.1-2005）《电工用铜、铝及其合金母线第部分：铜和铜合金母线》。

5、GA/T537-2005( 母线干线系统）阻燃、防火、耐火母线槽性能的试验方法。

1. National standard (GB7251.1-2005) "Low voltage switchgear and control equipment - Part 1: Type testing and partial type testing equipment".

2. National standard (GB7251.2-2006) "Low voltage switchgear and control equipment - Part 2: Special requirements for busbar trunking systems (busways)".

3. National standard (GB4208-2008) "Degrees of Protection Provided by Enclosures (IP Code)".

4. National standard (GB/T5585.1-2005) "Copper, aluminum and their alloy busbars for electrical purposes - Part: Copper and copper alloy busbars".

5. GA/T537-2005 (Busbar Main System) Test Method for Flame Retardant, Fireproof, and Fire Resistant Busbar Duct Performance.

适用范围 Scope of Application

耐火型母线槽适用于额定电压690V 以下，额定工作电流250-5000A、频率50-60Hz 的输配电系统。经过多年的试验和工业通电运行，其电气性、耐火性、金属结构性均达到了国内高水平。

Fire resistant busbar trunking is suitable for transmission and distribution systems with rated voltage below 690V, rated working current of 250-5000A, and frequency of 50-60Hz. After years of testing and industrial operation, its electrical performance, fire resistance, and metal structure have all reached the advanced level in China.

电气技术基本参数 Basic Parameters of Electrical Technology

额定绝缘电压AC1000V，额定工作电压AC400V±10%

额定工作频率50Hz

海拔高度2000 米以下

电气间隙≥ 10mm

爬电距离≥ 12mm

介电性能50HZ3.75kV/1mim 无击穿无闪络

母线槽通过额定电流180 分钟内部导体温升≤ 70K，80% 额定电流长期运行限温升≤ 70K

电压降：母线槽100 米长功率因素为0.95 时满负荷母线槽，电压降不大于5%

短时耐受强度Icw(kA)

Rated insulation voltage AC1000V, rated working voltage AC400V ± 10%

Rated operating frequency 50Hz

Below an altitude of 2000 meters

Electrical clearance ≥ 10mm

Creepage distance ≥ 12mm

Dielectric performance 50HZ3.75kV/1mim without breakdown or flashover

The temperature rise of the internal conductor of the bus duct after passing through the rated current for 180 minutes is ≤ 70K, and the long-term operating limit temperature rise of 80% of the rated current is ≤ 70K

Voltage drop: When the power factor of the bus duct is 0.95 and the bus duct is at full load for a length of 100 meters, the voltage drop shall not exceed 5%

Short term endurance strength Icw (kA)

材料要求 Material Requirements

母线槽内导体及搭接导体采用T2 电解铜作为导体材料，轧制成TMY 电工硬铜排，且铜的纯度达到99.9% 以上，导电率97% 以上，电阻率≤ 0.017777Ωmm2/m。

绝缘村料采用耐温超过950 度以上的耐高温绝缘村料。

母线槽系统外壳及侧板采用钢外壳，表面要做防火涂料处理。

母线槽铜导体绝缘采用聚酯亚胺和耐高温粉云母带缠绕。

The conductors and overlapping conductors in the bus duct are made of T2 electrolytic copper as the conductor material, rolled into TMY electrical hard copper bars, and the purity of copper reaches over 99.9%, with a conductivity of over 97%,

The resistivity is ≤ 0.017777 Ω mm2/m.

All insulation materials are made of high temperature resistant insulation materials that can withstand temperatures exceeding 950 degrees Celsius.

The shell and side panels of the busbar trunking system are made of steel shell, and the surface should be treated with fireproof coating.

The insulation of the copper conductor in the bus duct is wrapped with polyester imine and high-temperature resistant mica tape.

母线槽本体要求 Requirements for Busbar Trunking Body

母线槽的本体连接头、弯头，分接单元防护等级：要求达到IP65

母线槽为三相五线制(TN-S 系统）。N 线与相线导体截面等同，PE 线不少于相线50% 截面积，A、B、C、N、PE 线全部采用电解铜;导电率97% 以上，电阻率≤ 0.017777Ωmm2m。

母线槽及插接口处全长采用密集型，不允许本体密集型，插接口空气型，以防插接口温升过高。

The protection level of the body connectors, elbows, and tap units of the bus duct: IP65 is required

The bus duct is a three-phase five wire system (TN-S system). The cross-sectional area of the N-wire and phase wire conductors is equal, and the cross-sectional area of the PE wire is not less than 50% of that of the phase wire. All A, B, C, N, and PE wires are made of electrolytic copper;

Conductivity above 97%, resistivity ≤ 0.017777 Ω mm2m.

The entire length of the bus duct and plug-in interface shall be dense, and dense body type and air type plug-in interface shall not be allowed to prevent excessive temperature rise of the plug-in interface.

连接头 Connection Head

双导体母线大电流母线槽，每相为双导排，每个连接头的连接导体片须同时连接两块导电排，以防电流通过不均以及造成回流。母线本体便于安装，导体不允许有冲孔，以防接触面减少而发热。

Double conductor busbar high current busbar trunking, with double conductor bars for each phase. The connecting conductor of each connector must be connected to two conductor bars at the same time to prevent uneven current flow and backflow.The busbar body is easy to install, and the conductor is not allowed to have punching holes to prevent the contact surface from reducing and heating up.

过渡连接/跨接及安装支架 Transition Connection/Crossover and Installation Bracket

母线槽与配电柜连接采用T2 电解铜轧成TMY 铜排表面镀银或镀锡。

垂直安装要配弹簧支架，调节距离不少于5 公分，支架底座要采用槽钢要有足够的强度。

吊架采用角钢热镀锌，该吊架要用调节功能，吊架下部位不允许有长出。

在着火时耐火温度为850 度~950 度，时间≥ 290min，停火后再运行15min 保持正常供电。

耐火试验须符合公安部GA/T37-2005 标准国家固定灭火和构件质量监督检验中心的试验报告，其他技术参数符合GB7251.2-2006型式试验并提供检验报告。

The connection between the bus duct and the distribution cabinet is made by T2 electrolytic copper rolling into TMY copper bars with silver or tin plating on the surface.

Vertical installation requires a spring bracket with an adjustment distance of no less than 5 centimeters. The bracket base should be made of channel steel with sufficient strength.

The hanger is made of hot-dip galvanized angle steel and requires adjustment function. The lower part of the hanger is not allowed to grow out.

The fire resistance temperature during ignition is 850 ° C~950 ° C, and the time is ≥ 290 minutes. After the fire stops, it will run for another 15 minutes to maintain normal power supply.

The fire resistance test must comply with the GA/T37-2005 standard of the Ministry of Public Security and the test report of the National Fixed Fire Extinguishing and Component Quality Supervision and Inspection Center. Other technical parameters must comply with the GB7251.2-2006 type test and provide an inspection report.

耐火母线现场图 On Site Diagram of Fire-resistant Busbar