XLPE Insulated 3×25+1x16mm2 3+1 Cores Copper Cable

This 3x25+1x16mm² 3+1 Cores XLPE Insulated Copper Cable is a low voltage power cable designed for electrical distribution systems that require a dedicated earth wire. The cable features three 25mm² copper phase conductors and a single 16mm² copper earth conductor. It is insulated with XLPE and protected by a durable PVC outer sheath, commonly referred to as an IEC 60502 3 core and earth cable.

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XLPE Insulated 3x25+1x16mm2 3+1 Cores Copper Cable

XLPE Insulated, PVC Sheathed Unarmoured 3x25+1x16mm2 3+1 Cores Copper Cable, 0.6/1kV

  • Number of cores 3+1
  • Cross section area 3x25+1x16mm2
  • Conductor Copper
  • Rated Voltage 600/1000 Volts
  • Package Export wooden drum & iron wooden drum or as customer require

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This 3x25+1x16mm² 3+1 Cores XLPE Insulated Copper Cable is a low voltage power cable designed for electrical distribution systems that require a dedicated earth wire. The cable features three 25mm² copper phase conductors and a single 16mm² copper earth conductor. It is insulated with XLPE and protected by a durable PVC outer sheath, commonly referred to as an IEC 60502 3 core and earth cable.

Applications

The 3+1 core configuration is specifically designed for installations where a separate earth conductor is required for safety and compliance. Its applications include:

  • Power Distribution: For mains, sub-mains, and sub-circuit wiring in urban networks, industrial plants, and buildings.
  • Indoor and Outdoor Installations: Suitable for use in damp and wet locations.
  • Fixed Installations: Can be installed unenclosed, in conduits, or buried directly in underground ducts where not subjected to mechanical damage.
  • Specialized Wiring: The additional earth conductor is essential for safety in many circuits, including two-way lighting.

Standards Compliance

This cable is manufactured and tested to comply with the following international standards:

  • Conductors: IEC 60228
  • Design Specification: IEC 60502-1 - Power cables with extruded insulation and their accessories for rated voltages from 1 kV ( = 1.2 kV) up to 35 kV ( = 40.5 kV) - Part 1: Cables for rated voltages of 1 kV ( = 1.2 kV) and 3 kV ( = 3.6 kV).

Construction Details

XLPE 3+1 Cores Cable Construction

The cable's construction consists of the following components:

  1. Conductor: Plain annealed copper, Class 2 (stranded).
  2. Insulation: Cross-linked polyethylene (XLPE) for excellent electrical properties and high-temperature performance.
  3. Filler: Non-hygroscopic material to maintain a circular shape and prevent moisture ingress.
  4. Binder Tape: A non-hygroscopic tape to secure the cores in place.
  5. Outer Sheath: A durable polyvinyl chloride (PVC) outer layer for mechanical protection.

Technical Data & Parameters

ParameterValue
Cable TypeCU/XLPE/PVC
Operating Voltage, 600/1000V
Number of Cores3+1
Phase Conductor Nominal Area25mm²
Earth Conductor Nominal Area16mm²
Phase Conductor Stranding7 strands
Earth Conductor Stranding7 strands
Phase Conductor Insulation Thickness0.9mm
Earth Conductor Insulation Thickness0.7mm
Sheath Thickness1.8mm
Cable Overall Diameter (O.D.)22.8mm
Cable Weight Per 1000 Meters1040kg
Phase Conductor DC Resistance @ 20°C0.727$\Omega$/km
Earth Conductor DC Resistance @ 20°C1.15$\Omega$/km
Allowable Ampacity in Air110A
Allowable Ampacity in Ground140A
Test Voltage3.5kV for 5 minutes
Operating Temperature-15°C to +90°C
Final Short Circuit Temperature250°C

Contact Us

For inquiries, custom orders, or more detailed technical information on our 3x25+1x16mm² XLPE Insulated Unarmoured Copper Cables, please feel free to reach out.

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