产品用途
Scope of application
本产品适用于交流额定电压450/750V及以下动力，日用电器、仪器、仪表及控制用铜芯聚氯乙烯绝缘电线（电缆。）
This product is fit for power supply with rated AC voltage up to 450/750V, or serves as copper core PVC insulated electric wires for daily electrical appliances, instruments and meters and control equipment.
使用特性
Service characteristics
电缆的长期允许工作温度：BV-90、RV-90应不超过90℃，其它型号不超过70℃固定敷设用电缆（电线）的敷设温度不低于0℃。
允许弯曲半径：电缆外径（D）小于25mm者应不小于4D，电缆外径（D）25mm及以上者应不小于6D。
Long tem service temperature: BV-90 and RV-90 not exceeding 90℃, other models not over 70℃; permanently laid cables not lower than 0℃.
Bending radius allowed: for cables with outer diameters (D) lower than 25mm: not less than 4D; if the outer diameter is 25mm or more, the bending radius shall not be less than 6D.
型号名称及规格（见表1）
Models, names and specifications (see table 1)
产品名称 Product names | 型号 Models | 额定电压V Rated voltage | 芯数 No. of cores | 标称截面(mm²) Nominal Sectional area | 长期工作温度℃ Long-tem service temperature |
一般用途单芯硬导体无护套电缆 Single-core, hard conductor unsheathed cable for general use | 2271IEC01(BV) | 450/750 | 1 | 1.5～240 | 70 |
一般用途单芯软导体无护套电缆 Single-core, soft conductor unsheathed cable for general use | 2271IEC02(RV) | 1 | 1.5～240 | ||
内部布线用导体温度为70℃的单芯实心导体无护套电缆 Single-core, solid conductor unsheathed cable for interior wiring, conductor temperature 70℃ | 2271IEC05(BV) | 300/500 | 1 | 0.5～1.0 | |
内部布线用导体温度为70℃的单芯软导体无护套电缆 Single-core, soft conductor unsheathed cable for interior wiring, conductor temperature 70℃ | 2271IEC06(RV) | 1 | 0.5～1.0 | ||
内部布线用导体温度为90℃的单芯实心导体无护套电缆 Single-core, solid conductor unsheathed cable for interior wiring, conductor temperature 90℃ | 2271IEC07(BV-90) | 1 | 0.5～2.5 | 90 | |
内部布线用导体温度为90℃的单芯软导体无护套电缆 Single-core, soft conductor unsheathed cable for interior wiring, conductor temperature 90℃ | 2271IEC08(RV-90) | 1 | 0.5～2.5 | ||
轻型聚氯乙烯护套电缆 Light PVC-sheathed cables | 2271IEC10 (VV) | 2-5 | 1.5～3.5 | 70 | |
普通聚氯乙烯护套软线 General PVC-sheathed soft cables | 2271IEC53 (RVV) | 2-5 | 0.75～2.5 | ||
轻型聚氯乙烯护套软线 Light PVC-sheathed soft wire | 2271IEC52 (RVV) | 300/300 | 2-3 | 0.5～0.75 | |
扁型护套软线 Flat unsheathed soft wire | 2271IEC42 (RVB) | 300/300 | 2 | 0.5～0.75 | 70 |
技术要求及参数
Technical requirements and parameters
1）导体均按GB/T3956-1997《电缆的导体》标准规定要求。
2）绝缘用聚氯乙烯材料要求，耐温90℃电线电缆应采用PVC/E型聚氯乙烯混合物材料，其余耐温70℃的均用PVC/C型聚氯乙烯混合物材料挤包绝缘层。
3）内护层采用非硫化型橡皮或塑料混合物挤包；护套层采用PVC/ST4型聚乙烯混合物材料挤包。
4）产品性能要求及试验方法，按本标准（GB5023.1、2、3）规定，进行检测，全部通过则为合格品。
