一、产品简介 Brief introduction of product
该产品是我公司开发的塑料绝缘电力、控制复合电缆。电缆具有阻燃、耐火等多项特殊性能，专为隧道等对安全要求高的场合使用，同时电缆占用空间较小。
This product is a kind of plastic insulated power/control composite cable. The cable possesses many special properties such as flame-retardant and fire-resisting , which is designed for tunnel with much requirements of safety and room.
二、电缆型号和名称 Type and designation
该产品是我公司开发的塑料绝缘电力、控制复合电缆。电缆具有阻燃、耐火等多项特殊性能，专为隧道等对安全要求高的场合使用，同时电缆占用空间较小。
This product is a kind of plastic insulated power/control composite cable. The cable possesses many special properties such as flame-retardant and fire-resisting , which is designed for tunnel with much requirements of safety and room.
二、电缆型号和名称 Type and designation
| 型 号 Type | 名 称 Designation | 使 用 环 境Application |
| TT（NH）-K-VV | 隧道用铜芯聚氯乙烯绝缘聚氯乙烯护套阻燃耐火电力、控制特种复合电缆 Copper conductor PVC insulated PVC sheath flame-retardant fire-resisting tunnel power/control special composite cable | 电缆可敷设于隧道内，对电缆敷设落差不作规定 laid in tunnel without restriction of difference of level |
| TT（NH）-K-YJV | 隧道用铜芯交联聚乙烯绝缘聚氯乙烯护套阻燃耐火电力、控制特种复合电缆 Copper conductor XLPE insulated PVC sheath flame-retardant fire-resisting tunnel power/control special composite cable | 电缆可敷设于隧道内，对电缆敷设落差不作规定 laid in tunnel without restriction of difference of level |
| TT（DD-NH）-K-YJV | 隧道用铜芯交联聚乙烯绝缘聚氯乙烯护套低烟低卤阻燃耐火电力、控制特种复合电缆 Copper conductor XLPE insulated PVC sheath low smoke low halogen flame-retardant fire-resisting power/control special composite cable | 电缆可敷设于隧道内，对电缆敷设落差不作规定 laid in tunnel without restriction of difference of level |
三、电缆规格 Specifications
| 型号 Type | 电力电缆单元 units of power cable | 控制电缆单元units of control cable | ||||
| 芯数 cores | 额定电压kV rated voltage | 标称截面mm2 nominal section | 芯数 cores | 额定电压V rated voltage | 标称截面mm2 nominal section area | |
| TT(NH)-K-VV | 3～5 | 0.6/1 | 4～240 | 2～19 | 450/750 | 0.75、1.0、1.5、2.5、4.0、6.0 |
| TT(NH)-K-YJV | 3～5 | 0.6/1 | 4～240 | 2～19 | 450/750 | 0.75、1.0、1.5、2.5、4.0、6.0 |
| TT(DD-NH)-K-YJV | 3～5 | 0.6/1 | 4～240 | 2～19 | 450/750 | 0.75、1.0、1.5、2.5、4.0、6.0 |
四、电缆截面示意图 Sketch map of structure
TT（NH）-K-VV 1、控缆线芯 Conductor 2、控缆云母带 Mica tape 3、控缆绝缘 Insulation 4、控缆护套 sheath 5、力缆线芯 Conductor 6、力缆云母带 Mica tape 7、力缆绝缘 Insulation 8、阻燃无纺布 Flame-retardant wrapping 9、阻燃护套 Flame-retardant sheath 10、阻燃填充 Flame-retardant filler 11、地线线芯 Conductor connected earth 12、地线云母带 Mica tape 13、地线绝缘 Insulation.
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