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Tianjin Cable General Factory first branch factory, founded in 1971, the enterprise has more than 300 workers, engineering and technical personnel more than 30 people, the factory covers an area of 2000 square meters, with 15000000 yuan in fixed assets, enterprises have the production and testing equipment more than 120 Taiwan (number of pieces), the annual output value of 150000000 yuan. Over the years, I plant products used in the dozens of coal industry group and mines, gained high praise and evaluation. Enterprises with "integrity-based, customer first, quality first" for the purpose, passion to serve customers and the public are welcome to propose more guidance to the products of our factory, and seek common development.耐火電力電纜NH-VV3*120 耐火特性符合GB12666.6-90要求(IEC331) 1． 交流額定電壓：U0/U 0.6/1KV 2． 最高長期工作溫度：阻燃聚氯乙烯絕緣和護套70℃和105℃ 氟塑料絕緣和護套200℃和260℃ 交聯聚乙烯絕緣90℃ 低煙無鹵阻燃聚烯烴70℃ 低煙無鹵阻燃交聯聚烯烴90℃和120℃ 3． 最低環境溫度：阻燃聚氯乙烯護套：固定敷設-40℃，非固定敷設-15℃ 氟塑料絕緣和護套：固定敷設-60℃；非固定敷設-20℃ 4． 耐火特性： 符合IEC331規定 火焰溫度750℃、燃燒時間3h、冷卻時間12h、附加額定電壓、附加3A電流 符合GB12666.6-A類 火焰溫度950-1000℃、燃燒時間90min、附加額定電壓3A電流 符合GB12666.6-B類 火焰溫度750-800℃、燃燒時間90min、附加額定電壓3A電流 5． 電纜安裝敷設溫度不低于0℃ |
