详细说明
一、产品特点及用途
本产品适用于煤矿场所交流额定电压450/750V及以下控制、监控回路及保护线路等场合使用的控制电缆。
二、产品执行标准
MT818及Q/JG1727-2009
三、产品结构示意图
四、使用特性
1．交流额定电压U0/U:450/750V
2．电缆导体的长期允许工作温度: 70℃
3．最低环境温度:固定敷设 -40℃，非固定敷设 -15℃；
4．电缆的安装敷设温度:聚氯乙烯护套电缆不低于0℃；
5．敷设推荐的允许弯曲半径:非铠装、联锁或编织铠装电缆应不小于电缆外径的6倍
铜带屏蔽或钢丝钢带缠绕铠装电缆应不小于电缆外径的12倍
五、产品名称及型号
| 型号 | 名称 |
| MKVV | 煤矿用聚氯乙烯绝缘聚氯乙烯护套控制电缆 |
| MKVVP | 煤矿用聚氯乙烯绝缘聚氯乙烯护套编制屏蔽控制电缆 |
| MKVV22 | 煤矿用聚氯乙烯绝缘聚氯乙烯护套钢带铠装控制电缆 |
| MKVV32 | 煤矿用聚氯乙烯绝缘聚氯乙烯护套细钢丝铠装控制电缆 |
| MKVVRP | 煤矿用聚氯乙烯绝缘聚氯乙烯护套编制屏蔽控制软电缆 |
六、主要电气性能
| 标称截面mm2 | 导体结构 | 20℃时导体电阻，≤Ω/km | 20℃时最小绝缘电阻（MΩ.km） |
| 种类 | 根数/直径mm | 不镀锡 | 镀锡 |
| 0.5 | 3 | 16/0.2 | 39.0 | 40.1 | 0.013 |
| 0.75 | 1 | 1/0.97 | 24.5 | 24.8 | 0.012 |
| 0.75 | 2 | 7/0.37 | 24.5 | 24.8 | 0.014 |
| 0.75 | 3 | 24/0.2 | 26 | 26.7 | 0.011 |
| 1.0 | 1 | 1/1.13 | 18.1 | 18.2 | 0.011 |
| 1.0 | 2 | 7/0.43 | 18.1 | 18.2 | 0.013 |
| 1.0 | 3 | 32/0.2 | 19.5 | 20.0 | 0.010 |
| 1.5 | 1 | 1/1.38 | 12.1 | 12.2 | 0.011 |
| 1.5 | 2 | 7/0.52 | 12.1 | 12.2 | 0.010 |
| 1.5 | 3 | 30/0.25 | 13.3 | 13.7 | 0.010 |
| 2.5 | 1 | 1/1.78 | 7.41 | 7.56 | 0.010 |
| 2.5 | 2 | 7/0.68 | 7.41 | 7.56 | 0.009 |
| 2.5 | 3 | 50/0.25 | 7.98 | 8.21 | 0.009 |
七、电缆外径
表11MKVV型电缆
表12 MKVVP型电缆
表13 MKVV22型电缆
表14 MKVV32型电缆
| 芯数×标称截面/mm2 | 导体种类 | 平均外径/mm | 芯数×标称截面/mm2 | 导体种类 | 平均外径/mm |
| 下限 | 上限 | 下限 | 上限 |
| 7×1.57×2.5 | 11 | 15.116.8 | 18.320.4 | 8×1.58×2.5 | 11 | 16.318.7 | 19.722.6 |
| 10×1.510×2.5 | 11 | 17.821.1 | 21.525.5 | 12×1.512×2.5 | 11 | 18.221.6 | 2226.1 |
| 14×1.514×2.5 | 11 | 19.222.4 | 23.227.1 | 16×1.516×2.5 | 11 | 2023.4 | 24.228.2 |
| 19×0.7519×1.019×1.519×2.5 | 1111 | 17.518.221.524.3 | 21.22225.929.4 | 24×0.7524×1.024×1.524×2.5 | 1111 | 2021.524.128.5 | 24.12629.134.5 |
| 27×0.7527×1.027×1.527×2.5 | 1111 | 20.921.824.529 | 25.326.429.635 | 30×0.7530×1.030×1.530×2.5 | 1111 | 21.522.425.229.8 | 2627.130.436 |
| 37×0.7537×1.037×1.537×2.5 | 1111 | 22.723.726.732.5 | 27.428.732.339.3 | | | | |
表15MKVVRP型电缆
| 芯数×标称截面/mm2 | 导体种类 | 平均外径/mm | 芯数×标称截面/mm2 | 导体种类 | 平均外径/mm |
| 下限 | 上限 | 下限 | 上限 |
| 2×0.52×0.752×1.02×1.52×2.5 | 55555 | 7.47.78.08.910.1 | 9.39.710.011.112.6 | 3×0.53×0.753×1.03×1.53×2.5 | 55555 | 7.88.18.49.310.7 | 9.710.110.511.613.2 |
| 4×0.54×0.754×1.04×1.54×2.5 | 55555 | 8.38.69.010.011.5 | 10.410.811.212.514.3 | 5×0.55×0.755×1.05×1.55×2.5 | 55555 | 8.99.39.710.813.3 | 11.111.612.013.416.5 |
| 7×0.57×0.757×1.07×1.57×2.5 | 55555 | 9.59.910.412.214.3 | 11.812.412.915.117.7 | 8×0.58×0.758×1.08×1.58×2.5 | 55555 | 10.410.911.413.715.9 | 13.013.614.216.919.5 |
| 10×0.510×0.7510×1.010×1.510×2.5 | 55555 | 11.612.713.515.317.7 | 14.315.716.718.821.8 | 12×0.512×0.7512×1.012×1.512×2.5 | 55555 | 12.513.313.915.718.7 | 15.416.417.219.322.9 |
| 14×0.514×0.7514×1.014×1.514×2.5 | 55555 | 13.213.914.516.419.5 | 16.317.117.920.224.0 | 16×0.516×0.7516×1.016×1.516×2.5 | 55555 | 13.814.515.217.520.5 | 17.117.918.721.125.2 |
| 19×0.519×0.7519×1.019×1.519×2.5 | 55555 | 14.415.215.918.421.5 | 17.818.719.522.626.4 | 24×0.524×0.7524×1.024×1.524×2.5 | 55555 | 16.517.418.621.225.2 | 20.321.322.926.030.8 |
| 27×0.527×0.7527×1.027×1.527×2.5 | 55555 | 16.817.719.021.625.7 | 20.721.723.326.531.4 | 30×0.530×0.7530×1.030×1.530×2.5 | 55555 | 17.318.719.622.326.6 | 21.322.924.027.432.5 |
| 37×0.537×0.7537×1.037×1.537×2.5 | 55555 | 18.920.021.024.229.2 | 23.224.525.729.635.6 | | | | |