固定敷设
Helically cabled triplex bundle reduces mutual inductance, pulls in a single operation 与 separates cleanly 适用于 3-phase terminations.
产品主图
RG7H1RX 12/20 (24) kV 中压 triplex power cable comprising three helically cabled single-core phases 配有 Class 2 铜 导体s, triple-extruded G7 HEPR 绝缘, H1 铜 wire/tape metallic screens 与 individual red Rz PVC phase jackets.
本电缆型号的典型值(依据 CEI UNEL 35756 / IEC 60502-2(技术规格))——具体订单参数将在技术规格书与报价单中确认。
应用工况
RG7H1RX 12/20 (24) kV 中压 triplex power cable comprising three helically cabled single-core phases 配有 Class 2 铜 导体s, triple-extruded G7 HEPR 绝缘, H1 铜 wire/tape metallic screens 与 individual red Rz PVC phase jackets.
Helically cabled triplex bundle reduces mutual inductance, pulls in a single operation 与 separates cleanly 适用于 3-phase terminations.
High-modulus G7 HEPR 绝缘 allows +90 °C continuous 导体 temperature 与 +250 °C short-circuit rating.
适用于规定采用 CEI 20-22 II / IEC 60332-1-2 阻燃 PVC 电缆的综合管廊与涵洞固定桥架。
Class 2 rigid stranded 铜 triplex cable 适用于 static distribution; not 适用于 mobile reeling drums.
ARG7H1OR(技术规格)电缆结构
Shown: RG7H1RX (CEI UNEL 35756 / IEC 60502-2) featuring phase 导体s (3x1x50 mm²), 导体 screen 与 triplex phase jackets (rx) (6-layer construction).
| # | 结构层 | 材料与参考标准 |
|---|---|---|
| 1 | Phase Conductors (3x1x50 mm²)(技术规格) | Class 2 compact circular stranded plain annealed 铜 导体s (Code R) in a visible three-phase triplex assemblyCEI UNEL 35756 / IEC 60502-2(技术规格) |
| 2 | Conductor Screen(技术规格) | Extruded thermosetting semiconductive elastomer 导体 screen ensuring void-free interface 配有 the primary dielectricCEI UNEL 35756 / IEC 60502-2(技术规格) |
| 3 | MV Primary Insulation (G7)(技术规格) | High-modulus ethylene propylene rubber (G7 HEPR) primary 绝缘 rated 适用于 90 °C continuous / 250 °C short-circuit serviceCEI UNEL 35756 / IEC 60502-2(技术规格) |
| 4 | Insulation Screen(技术规格) | Cold-strippable extruded outer semiconductive elastomer 绝缘 screen 适用于 clean 中压 terminationCEI UNEL 35756 / IEC 60502-2(技术规格) |
| 5 | Metallic Phase Screen (H1)(技术规格) | Concentric layer of plain 铜 wires bound by an open counter-helix 铜 equalizing tape (H1) over each phaseCEI UNEL 35756 / IEC 60502-2(技术规格) |
| 6 | Triplex Phase Jackets (RX)(技术规格) | Three individual flame-retardant red Rz PVC 外护套 helically cabled into a self-supporting triplex bundle (RX)CEI UNEL 35756 / IEC 60502-2(技术规格) |
Built 至 CEI UNEL 35756 / IEC 60502-2 配有 phase 导体s (3x1x50 mm²) 与 triplex phase jackets (rx)
Available in custom drum lengths, core counts or factory-terminated assemblies(技术规格)
Supplied 配有 EN 10204 3.1 routine electrical, dielectric & dimensional inspection report
技术数据
规格尺寸
按 CEI UNEL 35756 / IEC 60502-2 制造,适用于重型工业与特种工程系统。
| 订货型号 | 规格配置 | 导体 / 绞合结构 | 近似外径 ≈ mm | 近似重量 ≈ kg/km | Tensile load kN ≈(技术规格) | 最小弯曲半径 mm | 询价 |
|---|---|---|---|---|---|---|---|
| RG7H1RX Construction Schedule (−25…+90 °C)(技术规格) | |||||||
| RG7H1RX 3×(1×35/16) mm² 12/20 kV | 3 × (1 × 35/16 mm² Cu)(技术规格) | Class 2 Cu + H1 wire/tape screen(技术规格) | 53.0 | 2,490 | 18.0 | 795 | |
| RG7H1RX 3×(1×50/16) mm² 12/20 kV | 3 × (1 × 50/16 mm² Cu)(技术规格) | Class 2 Cu + H1 wire/tape screen(技术规格) | 56.0 | 2,980 | 25.5 | 840 | |
| RG7H1RX 3×(1×70/16) mm² 12/20 kV | 3 × (1 × 70/16 mm² Cu)(技术规格) | Class 2 Cu + H1 wire/tape screen(技术规格) | 60.0 | 3,740 | 35.5 | 900 | |
| RG7H1RX 3×(1×95/16) mm² 12/20 kV | 3 × (1 × 95/16 mm² Cu)(技术规格) | Class 2 Cu + H1 wire/tape screen(技术规格) | 64.0 | 4,680 | 48.0 | 960 | |
| RG7H1RX 3×(1×120/16) mm² 12/20 kV | 3 × (1 × 120/16 mm² Cu)(技术规格) | Class 2 Cu + H1 wire/tape screen(技术规格) | 68.0 | 5,620 | 60.5 | 1,020 | |
| 规格配置 | 20 °C 最大直流电阻 / 衰减 Ω/km 或 dB/km (DC) | Rating / Capacity(技术规格) | 工作温度 |
|---|---|---|---|
| 3 × (1 × 35/16 mm² Cu)(技术规格) | 0.52 | 12/20 kV / 178 A(技术规格) | −25…+90 °C |
| 3 × (1 × 50/16 mm² Cu)(技术规格) | 0.39 | 12/20 kV / 212 A(技术规格) | −25…+90 °C |
| 3 × (1 × 70/16 mm² Cu)(技术规格) | 0.27 | 12/20 kV / 262 A(技术规格) | −25…+90 °C |
| 3 × (1 × 95/16 mm² Cu)(技术规格) | 0.19 | 12/20 kV / 316 A(技术规格) | −25…+90 °C |
| 3 × (1 × 120/16 mm² Cu)(技术规格) | 0.15 | 12/20 kV / 362 A(技术规格) | −25…+90 °C |
质量与认证
每根出厂长度均经例行试验,按批次进行抽样与型式试验,并随附 EN 10204 3.1 检验证书。
| 测试与检验 | 试验值/参考标准 | 频次 |
|---|---|---|
| 例行试验 | ||
| Conductor resistance & dimensional verification (CEI UNEL 35756 / IEC 60502-2)(技术规格) | Electrical parameters 与 outer diameter within CEI UNEL 35756 / IEC 60502-2 tolerances | 每一出厂盘长 / 交货长度 |
| High-voltage dielectric & 绝缘 resistance test (CEI UNEL 35756 / IEC 60502-2) | Zero dielectric breakdown 与 verified 绝缘 resistance over full length | 每一出厂盘长 / 交货长度 |
| 抽样试验 | ||
| Thermal ageing, mechanical flexing & environmental qualification (CEI UNEL 35756 / IEC 60502-2)(技术规格) | Verified structural 与 dielectric integrity across −25…+90 °C | 型式试验与定期批次抽检 |
标识与供货
护套印字
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