National standard JLB40A-50 specification lightning protection aluminum clad steel stranded wire OPGW communication optical cable

Description :

　　 National standard JLB40A-50 specification lightning protection aluminum clad steel stranded wire OPGW communication optical cable

　　 Characteristics and features of aluminum clad steel stranded wire:

　　 Aluminum clad steel stranded wire, also known as lightning protection wire, is suitable for various overhead transmission lines and can also be used for communication and lightning protection.Aluminum clad steel stranded wire has high strength and good corrosion resistance. It can be used as a general large-span conductor and is a good conductor for communication, lightning protection, and electrified railway lines. Due to its advantages of low attenuation, uniform frequency characteristics, low noise electricity, reasonable selection of amplification zone length, and low communication costs, it is commonly used as a communication and lightning protection wire.

　　 Aluminum clad steel stranded wire is a new and versatile conductor for transmission lines. Aluminum clad steel stranded wire is a scientific name, also known as lightning protection wire, good conductor, ground wire, or pull wire. It is a conductor composed of one or more layers twisted and wrapped around an aluminum clad steel wire as the center line by machine equipment, with adjacent layers twisted in opposite directions; Aluminum clad steel wire plays a role in bearing tensile force when making pull wires; When making good conductors, ground wires, and lightning protection wires, it plays a role in carrying leakage current, diverting lightning protection current, and preventing lightning from directly hitting the wire. Aluminum clad steel stranded wire has high strength and good corrosion resistance, and can be used as a general large-span wire. It is a good conductor and communication, lightning protection wire, and electrified railway line. It has the characteristics of low attenuation, uniform frequency characteristics, low noise electricity, reasonable selection of amplification zone length and communication cost, relatively stronger corrosion resistance than galvanized stranded wire, high mechanical stress, good electrical properties, and low cost. Therefore, it is often used as lightning protection wire and communication line.

　　2、 Product Execution Standard: YB/T124-2017 "Aluminum Clad Steel Wire"；

　　3、 Model and specification letter code representation method:

　　Taking aluminum clad steel stranded wire JLB20A-50 as an example

　　J------------ Concentric Twisting

　　LB20A ------------ Aluminum clad steel/Aluminum clad steel material

　　 National standard JLB40A-50 specification lightning protection aluminum clad steel stranded wire OPGW communication optical cable

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