T/HSXLXH 001-2021 THSXLXH 001—2021额定电压750V矿物绝缘防火电缆团体标准

主要技术内容:5技术要求5.1导体导体应是符合GB/T 3956-2008的第1种不镀金属圆形退火铜导体材料且具有近似圆形截面。5.2绝缘5.2.1组成绝缘应由紧压成形的粉末矿物密实体组成，其绝缘的电气性能应使成品电缆符合本文件要求。5.2.2绝缘厚度导体之间及每根导体与金属护套之间的绝缘厚度标称值如表1规定。按照6.3.3测量时，绝缘厚度的最小测量值应不小于规定标称值的80％-0.1mm。表1750V电缆绝缘、金属护套尺寸及厚度、外护套厚度导体芯数和标称截面积mm2 绝缘标称厚度mm金属护套标称厚度mm金属护套外径mm非金属外护套标称厚度mm3×4+1×2.51.30.5011.20.753×6+1×41.30.5512.50.753×10+1×61.30.6014.50.753×16+1×101.30.7017.41.003×25+1×161.30.7520.21.253×35+1×161.30.7522.21.253×4+2×2.51.30.5013.20.753×6+2×41.30.5514.90.753×10+2×61.30.6017.41.003×16+2×101.30.7020.51.253×25+2×161.30.7523.71.253×35+2×161.30.7526.01.254×351.30.7522.21.254×4+1×2.51.30.5013.20.754×6+1×41.30.5514.90.75表1  750V电缆绝缘、金属护套尺寸及厚度、外护套厚度（续）导体芯数和标称截面积mm2绝缘标称厚度mm金属护套标称厚度mm金属护套外径mm非金属外护套标称厚度mm4×10+1×61.30.6017.41.004×16+1×101.30.7020.51.254×25+1×161.30.7523.71.254×35+1×161.30.8226.01.255×2.51.30.5011.70.755×41.30.5013.20.755×61.30.5514.90.755×101.30.6017.41.005×161.30.7020.51