This 3x70+1x35mm² 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 70mm² copper phase conductors and a single 35mm² copper earth conductor. It is insulated with XLPE and protected by a durable PVC outer sheath. This type is 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
The cable's construction consists of the following components:
- Conductor: Plain annealed copper, Class 2 (stranded).
- Insulation: Cross-linked polyethylene (XLPE) for excellent electrical properties and high-temperature performance.
- Filler: Non-hygroscopic material to maintain a circular shape and prevent moisture ingress.
- Binder Tape: A non-hygroscopic tape to secure the cores in place.
- Outer Sheath: A durable polyvinyl chloride (PVC) outer layer for mechanical protection.
Technical Data & Parameters
Contact Us
For inquiries, custom orders, or more detailed technical information on our 3x70+1x35mm² XLPE Insulated Unarmoured Copper Cables, please feel free to reach out.