WebApr 15, 2024 · 详情:01b1级线缆的设计标准b1级线缆设计选用主要依据gb 51348《民用建筑电气设计标准》中线缆防火相关要求。 ... gb 31247-2014在充分调研和验证试验的工作基础上,结合en 13501-6:2014相关要求和国内电缆及光缆的实际分级考核需要,最终形成a、b1、b2和b3四个等级 ... WebJun 7, 2024 · On the basis of full investigation and verification test, combined with the relevant requirements of EN 13501-6:2014 and the actual grading assessment needs of domestic cables and optical cables, GB 31247-2014 finally forms four …
GB 31247-2014 电缆及光缆燃烧性能分级 标准全文 - antpedia.com
WebCategory 6 – U/UTP 4Pair 23AWG, GB 31247 B1 Rating Technical Specifications Product Overview Suitable Applications: Premise Horizontal Cable, Gigabit Ethernet, 100BaseTX, 100BaseVG, 1000BaseTX, ANYLAN, 155ATM, 622ATM, NTSC/PAL Component or Composite Video, AES/EBU, Digital Video, RS-422, 250MHz Category 6 and PoE … WebApr 2, 2024 · Summary. This Standard specifies the terms and definitions cable and fiber optic cable combustion performance, combustion performance levels and criterion, additional information and logo. This Standard applies to the burning behavior of the construction of cable. GB 31247-2014. Classification for burning behavior of electric and … thumbelina 30th anniversary 2024
PoE Cable-10GAB1 - Belden
WebApr 11, 2024 · A、B1、B2、B3级阻燃级别引用的则是GB 31247-2014《电缆及光缆燃烧性能分级》,依据火焰蔓延长度、燃烧过程中热量释放峰值、热量释放总量、燃烧速度、产 … WebThese properties make this cable ideal for supporting applications using both remote powering and 10 Gb/s application speeds such as IEEE 802.11ac or IEEE 802.11ax wireless access points or other high-speed emerging or converging IP building automation ... • GB 31247 B1 (d1, t0, a1) APPLICATIONS SUPPORT • 10GBASE-T • 1000BASE-T ... WebCategory 3-UTP 100Pair 24AWG , GB 31247 B1 Rating Data Sheet English. Request Quote Share. facebook; LinkedIn ... GB 31247 . TIA/EIA Compliance ANSI/ TIA 568 .2 D Category 3 . ISO/IEC Compliance ... thumbelina 1994 trailer vhs capture