Self-supporting cable for overhead power distribution, XLPE insulation 0.61kV - NTP/370.254

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Self-supporting cable for overhead power distribution, XLPE insulation 0.61kV - NTP/370.254

Self-supporting overhead cable with XLPE insulation, NTP 370.254 compliant.

Durable 0.6/1kV aerial cable for reliable low-voltage distribution.

Ideal for rural and urban networks – strong, insulated, and self-supporting.

Ideal for overhead distribution where space and safety matter.

Low-maintenance bundled cable solution for Peruvian power systems.

Application

This self-supporting overhead power cable is designed for low-voltage distribution systems operating at 0.6/1kV, compliant with NTP 370.254—the Peruvian national standard. It is commonly used in Latin American utility networks for efficient, safe, and compact aerial installations.

The cable consists of three insulated aluminum phase conductors and one bare or insulated neutral messenger, which also functions as a mechanical support element, eliminating the need for separate suspension hardware. All conductors are insulated with cross-linked polyethylene (XLPE), offering excellent thermal resistance, dielectric performance, and long-term UV stability.

This design allows for easy and fast installation on poles, especially in urban, suburban, and rural areas where underground cabling is not feasible. The compact, bundled construction reduces line sag, minimizes electromagnetic interference, and enhances safety against contact, trees, and weather-related faults.

Manufactured to meet NTP 370.254, this cable supports continuous operation at 90°C, short-circuit conditions up to 250°C, and is resistant to moisture, sunlight, and mechanical stress. It is an ideal solution for expanding or modernizing low-voltage aerial networks with reduced maintenance and improved reliability.

Specifications

CategoryTechnical DescriptionTypical Applications
StandardNTP 370.254 – Peruvian national standard for low-voltage overhead self-supporting cablesCommonly used in Peru, Colombia, and surrounding regions for urban and semi-urban distribution
Voltage Rating0.6/1 kV, suitable for low-voltage distribution networksIdeal for street lighting, residential grid extensions, industrial service drops
Core Construction– 2, 3, or 4 phase conductors of compacted circular Aluminum 1350– Optional lighting or pilot coreSupports single-phase and three-phase distribution systems
Messenger/Neutral ConductorBare or insulated Aluminum Alloy Steel Reinforced (AASR) or Al-clad steel messenger wire- Carries mechanical tension and serves as neutralProvides self-supporting strength, eliminates need for pole-mounted insulators
Insulation MaterialCross-linked polyethylene (XLPE)– UV-stabilized, weather-resistant- Thickness and color per NTP 370.254Designed for direct sunlight, rain, dust, and pollution exposure
Laying ConfigurationTwisted bundle (e.g., 3×Phase + 1×Neutral)Neutral on top, phase conductors helically twisted belowEnables easy aerial installation, reduced electrical losses, and compact alignment
FeatureDescription
🌞 UV & Weather ResistanceXLPE insulation ensures long service life under tropical and high-UV climates
🔌 Touch ProtectionFully insulated phase conductors improve electrical safety
🛠️ Self-supporting DesignIntegrated messenger/neutral wire allows installation without additional support hardware
🌳 Tree Contact TolerantResists momentary contact with vegetation – reduces outages in dense or rural areas
🔧 Quick InstallationPre-twisted bundle design minimizes installation time, lowers labor cost
🌐 International CompatibilityComparable to IEC 60502-1, BS 7870-5, and AS/NZS 3560.1 in terms of performance

Parameter

Section nominalNominal insulation thicknessMaximum wiring passagespark voltagespark voltage
Alternating currentDC
mm2mmmmKVKV
101.143891016.5
161.144531016.5
251.1453012.521
351.146011524
501.527421524
701.528431524
951.529501524
1202.0311091524
1502.0312101524
1852.0313151524
2402.03146417.530

 

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