Description

4mm Solar DC Cable – Single Core – 500m

This 4mm solar DC cable 500m is designed specifically for use in photovoltaic (PV) systems where long cable runs and reliable DC power transmission are required. Supplied in a large 500m coil, it is ideal for commercial, industrial, and large-scale solar installations where efficiency and consistency are essential.

Manufactured using high-purity stranded copper conductors, this single core solar DC cable delivers excellent electrical conductivity while remaining flexible enough for practical installation. The durable black insulation provides strong resistance to UV exposure, temperature variation, and environmental stress, making it suitable for both indoor and outdoor solar applications.

Key Features

• 4mm² single core solar DC cable

• 500m coil length

• High-purity stranded copper conductor

• Excellent electrical conductivity

• Flexible construction for easier installation

• UV resistant black insulation

• Suitable for indoor and outdoor use

• Designed for photovoltaic (PV) systems

Applications

This 4mm solar DC cable 500m is commonly used for:

• Large solar panel arrays

• DC connections within photovoltaic systems

• Solar farms and commercial installations

• Long-distance inverter and charge controller connections

• Off-grid and battery-based solar power systems

The extended coil length allows installers to complete larger projects with fewer interruptions, reducing joints and improving overall system reliability.

Why Choose This Solar DC Cable?

Choosing the correct DC cable is essential for the safety, efficiency, and long-term performance of any solar installation. This 4mm solar DC cable 500m provides a dependable solution for projects where extended cable runs are required without compromising electrical performance.

Using a continuous 500m length helps minimise the number of cable joins, reducing potential points of failure and supporting a cleaner, more reliable DC circuit. This makes it particularly suitable for large-scale photovoltaic installations.

Available Sizes

This solar DC cable is available in other lengths and conductor sizes, including 50m and 100m options, as well as 6mm² and 10mm² variants. This allows system designers and installers to select the most appropriate cable size and length for their specific project requirements.

Browse our full range of solar DC cables and accessories to complete your photovoltaic installation.

Installation Guidance

When installing a 4mm solar DC cable 500m, ensure all terminations are securely fitted and protected from moisture and environmental exposure. Always follow manufacturer guidelines and relevant electrical standards when routing DC cabling across long distances.

Care should be taken to support and protect the cable along extended runs to avoid mechanical stress. Proper cable management helps maintain system reliability and ensures a professional installation finish.

Durability & Performance

The insulation used on this 4mm solar DC cable 500m is engineered to withstand prolonged exposure to sunlight, temperature fluctuations, and mechanical wear. This ensures consistent performance in demanding outdoor environments over the lifespan of the installation.

The high-quality copper conductor provides low resistance, helping to minimise energy losses across longer cable runs and supporting efficient power transmission throughout the DC system.

Suitable Solar Applications

This product is suitable for a wide range of solar DC applications, including:

• Commercial photovoltaic installations

• Solar farms and large arrays

• Off-grid solar power systems

• Battery storage and inverter connections

• Industrial solar projects

Selecting the correct cable size and length is critical for maintaining system efficiency and safety. The 4mm solar DC cable 500m offers a practical and reliable solution for larger photovoltaic installations.

Compliance & Installation Standards

This 4mm solar DC cable 500m is suitable for use in photovoltaic installations where compliance with recognised electrical and safety standards is required. Correctly rated DC cabling plays an important role in ensuring system safety, efficiency, and long-term performance.

For further guidance on photovoltaic cabling standards and best practice installation, refer to documentation provided by the International Electrotechnical Commission (IEC).