Medium Voltage Cable

Details

Overview

12/20kV（24kV） Single Core Copper Cable RE4H1R | Medium Voltage Power Cable

Item	Technical Data
Cable Model	RE4H1R
Core Structure	Single core / 1 core
Rated Voltage	12/20 kV (Um = 24 kV)
Conductor Material	Pure copper / high conductivity copper (Cu)
Insulation Material	XLPE Cross-linked Polyethylene
Sheath Material	PVC ST2 Black Outer Sheath
Shielding Type	Copper tape shielding / copper wire shielding optional
Max Continuous Operating Temperature	90 °C
Short Circuit Temperature (≤5s)	250 °C
Compliance Standards	DIN VDE 0276, HD 620 S1, relevant EU MV cable industrial standards
Fire Performance	General flame retardant, non-flame spreading, conventional power engineering grade
Water Resistance Grade	Moisture-proof, suitable for underground wet environment laying

Construction

RE4H1R 12/20kV（24kV）Single Core Copper Cable

Conductor: Standard Class 2 compact stranded high-purity bare copper conductor, featuring ultra-low DC resistivity, integrated round and smooth overall structure, perfect terminal crimping fit and high-efficiency conductive performance. It maintains continuous stable high current carrying capacity under long-term rated full-load operation, no abnormal heating or thermal attenuation, effectively cutting the overall power grid operational loss and improving comprehensive power supply efficiency.
Inner Conductor Semiconductive Screen: Integrally extruded homogeneous high-density semiconductive inner shielding layer, closely laminated and seamlessly bonded with the copper conductor surface. It realizes full-range uniform internal electric field equalization, thoroughly eliminates local electric field accumulation and abnormal concentration risks, and effectively prevents insulation breakdown and early ageing failure under long-cycle grid rated operation.
Main Insulation Layer: Imported ultra-clean high-purity XLPE cross-linked polyethylene special insulation material, with top-tier comprehensive electrical insulation and anti-aging performance. Long-term safe allowable working temperature up to 90°C, excellent water tree aging resistance, electrical corrosion resistance and environmental stress cracking resistance, fully meeting the 30-year long service life design standard of urban core power grid infrastructure engineering.
Outer Insulation Semiconductive Screen: Special easy-peel type extruded outer semiconductive shielding layer, no professional grinding and polishing auxiliary equipment required for on-site construction. It greatly simplifies the production process of medium-voltage cable terminals and intermediate joints, shortens on-site engineering construction cycle, and comprehensively improves the overall wiring efficiency and construction standardization of professional power engineering contractors.
Copper Tape / Copper Wire Metallic Shield: Full overlapping seamless tight wrapping copper metal shielding structure, uniform shielding density, continuous and stable grounding conduction performance. It efficiently isolates and suppresses external complex electromagnetic signal interference, protects on-site construction personnel and later operation safety, and ensures zero-fault stable continuous operation of supporting medium-voltage power distribution complete sets of equipment.
Outer Protective Sheath: Industrial enhanced ST2 black PVC heavy-duty outer protective sheath, with integrated multi-functional properties of oil resistance, acid and alkali chemical corrosion resistance, deep moisture-proof and ultraviolet anti-aging. It strongly resists external mechanical collision, extrusion damage and complex soil chemical erosion, adapting to all kinds of harsh outdoor open-air and underground long-term buried working conditions.

Technical Data

All electrical performance parameters and mechanical structure dimension data are professionally tested and verified in strict accordance with VDE industrial standards in our certified first-class factory laboratory, which can be directly used for engineering scheme design, project tender quotation review and on-site construction parameter matching reference.

Cross Section mm²	Conductor DC Resistance (20°C) Ω/km Max	Insulation Thickness mm	Approx Overall Diameter mm	Approx Weight kg/km	Rated Current Rating (Air) A
35	≤0.524	5.5	26.8	620	185
50	≤0.386	5.5	28.2	715	220
70	≤0.268	5.5	30.1	845	270
95	≤0.193	5.5	32.3	995	325
120	≤0.153	5.5	34.2	1130	370
150	≤0.124	5.5	36.0	1285	415
185	≤0.0991	5.5	38.1	1460	470
240	≤0.0754	5.5	40.8	1705	545
300	≤0.0601	5.5	43.5	1960	615