Lie . 28, 2025 11:01 Back to list

N2XSERGBY/NA2XSERGBY Medium Voltage XLPE Steel Tape Armoured Cable

As electrical infrastructure rapidly modernizes, the need for safe, reliable, and durable medium voltage power cables has never been more critical. The N2XSERGBY/NA2XSERGBY 3.6/6kV 6/10kV 8.7/15kV 12/20kV 18/30kV MEDIUM VOLTAGE Cu(AL) CONDUCTOR XLPE INSULATED MULTI-CORE STEEL TAPE ARMOURED POWER CABLE is engineered to meet stringent demands across energy, petrochemical, metallurgy, and municipal infrastructure industries. This article presents comprehensive technical insights, industry trends, detailed manufacturing processes, tangible field cases, and authoritative data visualizations to guide your cable selection.

Industry Trends: Medium Voltage Power Cable Market

According to MarketsandMarkets, the global medium-voltage cable market will reach USD 56.2 billion by 2028, growing at a CAGR of 6.9%. The driver is the increased adoption in renewable energy, smart grids, and resilient infrastructure frameworks. Notably, cables such as the N2XSERGBY/NA2XSERGBY Medium Voltage XLPE INSULATED MULTI-CORE STEEL TAPE ARMOURED POWER CABLE are gaining attention for their superior performance in harsh environments and critical applications.

Rising focus on fire-resistant and high life-cycle cables.
Upgrade of traditional power grids and rapid urbanization.
Increasing requirements for cables meeting IEC 60502, EN 60228, and ISO 9001 standards.

Technical Specifications & Parameters

Product Overview

Product name: N2XSERGBY/NA2XSERGBY 3.6/6kV 6/10kV 8.7/15kV 12/20kV 18/30kV MEDIUM VOLTAGE Cu(AL) CONDUCTOR XLPE INSULATED MULTI-CORE STEEL TAPE ARMOURED POWER CABLE
Type: Medium Voltage, Multi-core, Armoured
Voltage Class: 3.6/6kV, 6/10kV, 8.7/15kV, 12/20kV, 18/30kV
Conductor: Copper (Cu) or Aluminium (Al), Class 2 (stranded)
Insulation: Cross-linked Polyethylene (XLPE), IEC 60502-2 compliant
Armour: Double steel tape, metallic sheath
Outer Sheath: PVC or PE, flame-retardant, UV and oil resistant
Standards: IEC 60502, HD 620 S2, EN 60228, ISO 9001:2015
Operating Temp.: -30°C to +90°C continuous; short-circuit up to 250°C (5s)
Industry Use: Petrochemical, metallurgy, water treatment, power utilities, tunnels

Technical Parameter Table: N2XSERGBY/NA2XSERGBY (Representative Data)
Type	Voltage Class	Conductor Material	Cross-section (mm²)	Max. Conductor Temp	Insulation Thickness (mm)	Armour Type	Min. Bending Radius	Standard
NA2XSERGBY	6/10kV	Aluminum	35–500	90°C	3.4–5.5	Steel Tape	15×OD	IEC 60502-2
N2XSERGBY	12/20kV	Copper	50–630	90°C	5.5–8.0	Steel Tape	15×OD	IEC 60502-2
NA2XSERGBY	18/30kV	Aluminum	120–1000	90°C	8.0–10.5	Steel Tape	15×OD	EN 60228

Manufacturing Process Flow

Key Steps in Production

Raw Material Inspection → Conductor Stranding → XLPE Insulation Extrusion → Core Assembly → Steel Tape Armouring → PVC/PE Sheath Extrusion → Testing & Packing

Raw Material Inspection: All incoming copper/aluminium, XLPE, and steel undergo ISO 9001 and RoHS checks for purity, conductivity, and mechanical properties.
Conductor Stranding: Stranded per EN 60228 Class 2, using annealed copper/aluminium for flexibility and conductivity.
XLPE Insulation Extrusion: Insulation is applied via triple extrusion; XLPE is cross-linked using continuous vulcanization (CV line), ensuring dielectric strength.
Core Assembly: Multi-core grouping and tape binding; phase identification as per client spec (color/number).
Steel Tape Armouring: Dual-layer 0.3–0.5mm high-tensile steel tape for mechanical and rodent protection.
Outer Sheath Extrusion: PVC/PE compound extrusion, flame-retardant, UV-resistant, complies with IEC 60332-1.
Testing & Packing: Routine, sample, and type tests as per IEC 60502-2: spark, insulation resistance, voltage withstand, dimensional checks, X-ray and aging tests. Packed on non-wooden drums, IPPC standard.

N2XSERGBY/NA2XSERGBY Medium Voltage XLPE Steel Tape Armoured Cable

Note: Each process strictly follows ISO 9001:2015 and IEC 60502-2 requirements. The end product ensures a service life exceeding 30 years under normal application environments.

Key Material & Manufacturing Technologies

Conductors (Cu/Al): High-purity electrolytic copper or 1350-H19 aluminum, ensuring ≥99.7% conductivity (Industry standard: IEC 60228).
Insulation: XLPE (Cross-Linked Polyethylene), dielectric strength ≥21 kV/mm; eco-friendly, halogen-free.
Steel Tape Armouring: Cold-rolled dual steel tape, anti-termite; tested to ANSI C119.1 impact standards.
Sheath: Flame-retardant PVC/PE, UV and chemical resistant, meeting IEC 60332-1, ≤1.4% smoke density.
Manufacturing: CNC-controlled line for precise insulation centricity & wall thickness; in-line X-ray for defect detection.
Quality Testing: All products tested for voltage withstand, aging, water-treeing, and mechanical bending. Routine tests per IEC 60502 Part 2, type test reports available on request.

Applications & Advantages

Typical Application Scenarios

Urban & Industrial Power Distribution Networks
Petrochemical Industry (Refineries, chemical plants using corrosion-resistant armoured cable under harsh conditions)
Metallurgy Facilities (rolling mills, steel plants)
Underground Cable installation & Tunnel projects (superior mechanical and flame-retardant)
Pump station and water treatment plants
Renewable energy grid tie-ins

Technical Advantages

Extreme Mechanical Protection: Dual steel tape provides crush and rodent resistance—11x crush resistance compared to non-armored types.
Outstanding Dielectric Performance: XLPE insulation delivers higher current carrying capacity (ampacity +17% versus PVC insulated cables).
Long Service Life: Engineered for 30+ years in normal installations, based on infrared/X-ray aging data (see ECharts below).
Flexible Installation: Reduced bending radius, easy multi-core routing.
Compliance: Meets and exceeds IEC 60502-2, HD 620 S2, EN 60228, ISO 9001:2015 standards.
Corrosion & UV Resistance: PVC/PE sheath, proven in field audits (Gulf region; NA) for outdoor substations.
Eco-Conscious Manufacturing: All compounds RoHS compliant; low smoke, zero halogen (LSZH) on request.

Manufacturer Comparison Table

Key Manufacturer Comparison (Sample - 2023)
Parameter	THCable	Prysmian	Nexans	Other Local Brands
Conductor Purity	≥99.7% (Cu); ≥99.5% (Al)	≥99.7%	≥99.7%	≈98.5–99.0%
XLPE Insulation	Borealis LE4201; 21kV/mm	Borealis/SABIC	Dow/SABIC	Generic
Armour Steel Tape	Galvanized, double-layer	Stainless/Galv.	Stainless/Galv.	Plain Steel
Infrared X-ray Test	100% online	Spot check	Spot check	Random
Compliance	IEC 60502-2, EN60228, ISO 9001, CNAS	IEC, ISO, SGS	IEC, ISO, SGS	Partial
Standard Service Life	≥30 years	≥28 years	≥28 years	14–24 years
Warranty	Up to 10 years	5–7 years	5–7 years	1–2 years

Technical Data Visualization

Usage Proportion by Industry

Customized Solutions for Demanding Applications

Voltage Customization: Available from 3.6/6kV up to 18/30kV, supports grid upgrades and retrofits.
Material Choices: Selection between high-conductivity copper and economical aluminum for cost/performance balance.
Sheath Variants: PE/HDPE for direct burial; LSZH for public infrastructure.
Fire-Fighting Critical Zones: Enhanced flame-retardant and low smoke sheath on request (IEC 60332-3, IEC 61034).
Custom Armouring: Single/double steel tape, or wire armoured for extra mechanical protection.
Length/Drum: From 100 meters up to 2,000 meters per drum, cost-optimized for logistics.

Specialist engineering teams work with clients to design, prototype, and mass-produce tailored N2XSERGBY/NA2XSERGBY 3.6/6kV 6/10kV 8.7/15kV 12/20kV 18/30kV MEDIUM VOLTAGE Cu(AL) CONDUCTOR XLPE INSULATED MULTI-CORE STEEL TAPE ARMOURED POWER CABLE for unique electrical, mechanical, and environmental challenges.

Field Application Case Studies

Case 1: Middle East Desert Petrochemical Plant

Deployed over 24km of N2XSERGBY/NA2XSERGBY 12/20kV Medium Voltage XLPE Armoured Power Cable in a harsh saline desert environment. Cables selected for their excellent corrosion resistance and 10-year product warranty. After 1 year in service (2023 audit), insulation resistance remains above 6000 MΩ·km, and no sheath degradation observed (field inspection report #MIK2023-481).

Case 2: Urban Utility Tunnel (Europe, 2022)

For a newly built 132kV substation area, over 7km of N2XSERGBY/NA2XSERGBY Multi-core Steel Tape Armoured Cable (8.7/15kV and 18/30kV) were routed underground, complying with urban fire-safety codes and minimizing electromagnetic interference. X-ray and aging tests ensured all cable passed IEC and local regulatory standards. Projected lifetime >30 years under heavy load cycles.

Case 3: Wastewater Treatment Plant

A water authority in Southeast Asia selected N2XSERGBY/NA2XSERGBY cable for high-humidity, chemical-rich trenches. The steel tape armoured design prevented cable crush by heavy traffic and fully resisted HCl vapor corrosion—verified by laboratory salt-fog aging (EN 60587:2017-conform).

“Since installation, we experienced zero cable failures and remarkable mechanical durability. Recommended for all critical infrastructure projects.”
— Plant Maintenance Supervisor, ASEAN Utility

FAQ: Professional Knowledge Base

Q1: What is XLPE insulation and why is it preferred in medium voltage cables?

XLPE (Cross-linked Polyethylene) offers superior dielectric strength, higher operating temperature, and better resistance to moisture and chemical attack compared to PVC. It ensures safer, long-life operation and allows higher current capacities.

Q2: How does steel tape armouring protect the cable?

The dual steel tape layer provides exceptional mechanical protection against crush, impact, and rodent damage, making N2XSERGBY/NA2XSERGBY suitable for direct burial and harsh installation routes.

Q3: What is the significance of IEC 60502-2 compliance?

IEC 60502-2 sets performance, construction, and testing standards for medium voltage cables. Compliance assures users of safety, reliability, and global compatibility.

Q4: What is the recommended installation bending radius?

For N2XSERGBY/NA2XSERGBY, the minimum bending radius is 15× the outer diameter (OD) of the cable, adhering to IEC 60502 and manufacturer guidance to avoid mechanical damage.

Q5: What are the typical conductor classes and why do they matter?

Conductor classes (Class 2 for stranded, per EN 60228) impact flexibility, handling, and current rating. Stranded conductors are the industry norm for medium voltage due to excellent mechanical performance.

Q6: How is cable quality verified before shipment?

Each batch is subjected to routine, sample, and type tests including voltage withstand, insulation resistance, flame retardance (IEC 60332), and mechanical bending. X-ray and spark checks are conducted online.

Q7: Are there standard certifications and warranties?

Products are certified to IEC, EN, and ISO standards, and factories often hold ISO 9001:2015, CQC, and CNAS lab accreditation. Typical warranty is 5–10 years, with project references available.

Delivery, Support & Quality Assurance

Lead Time: Standard: 15–30 working days (depends on cable size/quantity/customization).
Warranty: Up to 10 years defect-free (terms in official contract).
Testing: 100% type, routine, and sample test reports provided; third-party inspection accepted (SGS/Intertek/CNAS).
Support: Remote/onsite installation guidance, engineering drawings, technical data sheets.
After-Sales: 24/7 support, claims within 48h, global spares and logistics available.

Conclusion: Why Choose N2XSERGBY/NA2XSERGBY 3.6/6kV 6/10kV 8.7/15kV 12/20kV 18/30kV MEDIUM VOLTAGE Cu(AL) CONDUCTOR XLPE INSULATED MULTI-CORE STEEL TAPE ARMOURED POWER CABLE?

The N2XSERGBY/NA2XSERGBY 3.6/6kV 6/10kV 8.7/15kV 12/20kV 18/30kV MEDIUM VOLTAGE Cu(AL) CONDUCTOR XLPE INSULATED MULTI-CORE STEEL TAPE ARMOURED POWER CABLE stands out for its advanced material engineering, world-class process quality, proven application cases, and decades of safe, reliable service life. Backed by certification, warranty, and high service detail, it is the cable of choice for smart, sustainable power networks.

References & Further Reading:
• CableABC - Power Cables Forum
• IEEE Standards Association
• ScienceDirect: Medium Voltage Cables
• THCable - Technical Resources

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