品牌:天联 | 产地:河北 | 价格:12人民币/米 | 规格:1*3*24电缆 | 简要说明: 天联牌的1*3*24电缆产品:估价:12,规格:1*3*24电缆,产品系列编号:齐全 | | | | 详细介绍:
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.YJV电缆工作的温度达90度,而VV电缆只有70度,同截面积YJV电缆载流量大1、YJV电缆从长远看比VV电缆好(使用寿命长等),但是比VV电缆贵。
2、从技术经济指标看,三芯的YJV电缆比VV电缆的各项参数都要高,比如:载流量,空气中40度时,10平方的YJV电缆为60,VV电缆为46,但是有些设计在选用电缆时,40A的断路器用10平方的YJV电缆。从工作温度看YJV电缆为90度,VV电缆为70度。从短路允许的最高度看,YJV电缆为250度,VV电缆为160、140度。
3、没有太大的区别,直白的说YJV电缆是贵族使用,VV是平民使用。使用效果YJV电缆比VV电缆稍好一些,主要表现在绝缘方面,YJV电缆的绝缘比VV电缆的绝缘要好一些,耐老化程度更高一些,举例说:YJV电缆使用三十年,VV电缆使用二十八年,就是这么点区别。
4、在民用建筑中,推荐使用YJV电缆。其载流量比VV电缆大,更为主要的是在电气火灾时,由于其绝缘材料不含氯,燃烧时不会产生有毒气体。因此,欧洲国家已经强制在民用建筑中使用YJV电缆
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