Solar DC Cable 1500V 4mm, 6mm
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Description
Solar Rains’ Solar DC Cable 1500V in 4mm and 6mm variants is designed for high-efficiency photovoltaic (PV) installations. Manufactured by Shanghai Kuka Special Cable Co., Ltd., this high-quality solar cable ensures dependable performance under extreme conditions.
Solar DC Cable 1500V 4mm, 6mm
Engineered for flexibility, resistance, and durability, these cables are crucial components for safe and stable DC power transmission from solar panels to inverters.
Whether you’re working on a rooftop residential system or a large-scale solar farm, our solar cable range is tailored for consistent performance, simplified installation, and long-term reliability. These twin-core cables comply with international safety and performance standards, supporting efficient cable management in all environmental conditions.
Key Features of Solar Cable
Solar DC Cable 1500V – 4mm
- Rated Voltage: 1500V DC
- Conductor: Stranded tinned copper, Class 5
- Cross Section: 2 x 4.0 mm²
- Max Conductor Temp: 120°C
- Insulation/Sheath Material: Electron beam cross-linked polyolefin
- Outer Diameter: Approx. 6.7mm
- Max Current Capacity: 55A
- Flame Resistance: IEC 60332-1
- UV Resistance: Yes
- Mechanical Durability: High tensile strength and flexibility
- Standard Compliance: TUV 2PfG/2642
This 4mm solar cable is a lightweight and compact solution, suitable for rooftop arrays or space-limited installations where flexibility and ease of handling are essential.
Solar DC Cable 1500V – 6mm
- Rated Voltage: 1500V DC
- Conductor: Stranded tinned copper, Class 5
- Cross Section: 2 x 6.0 mm²
- Max Conductor Temp: 120°C
- Insulation/Sheath Material: Electron beam cross-linked polyolefin
- Outer Diameter: Approx. 7.6mm
- Max Current Capacity: 70A
- Flame Resistance: IEC 60332-1
- UV Resistance: Yes
- Mechanical Durability: Excellent weather resistance and toughness
- Standard Compliance: TUV 2PfG/2642
The 6mm solar cable is ideal for larger solar arrays and commercial/industrial installations, where greater current handling and minimal voltage drop are priorities.
Main Benefits
For solar system designers, EPC contractors, distributors, and professional installers, the Solar DC Cable 1500V 4mm and 6mm offers measurable advantages across every phase of the project. Engineers benefit from clearly marked twin-core designs that simplify layout planning and documentation, while the use of cross-linked polyolefin sheathing offers added reliability in heat-prone areas.
EPC contractors reduce installation time with the cable’s flexibility and easy stripping performance, while the wide temperature range ensures operational stability across harsh climates. For distributors and resellers, the cable represents a trusted product from a certified brand with demand in residential and utility-scale solar projects.
Industrial and commercial users find the 6mm version particularly useful for long cable runs, as it minimizes voltage losses and heat buildup. In contrast, residential installers benefit from the lighter 4mm version for compact rooftop setups, ensuring both safety and neat cable routing with minimal effort.
These solar cables also support better cable management by reducing clutter and offering high abrasion resistance in densely packed installations. Whether routed through conduit, cable trays, or exposed to open sunlight, they retain integrity for decades.
Caveat: The product description and datasheet on this page may not be the most updated version. Please refer to the user manual coming with products if there are conflicts.
Shanghai Kuka Special Cable Co., Ltd.
Shanghai Kuka is a leading Chinese manufacturer of specialized solar cables with a strong global footprint. With a focus on renewable energy, Kuka cables meet stringent certification standards and are tested to endure high temperatures, UV exposure, flame risks, and mechanical stress. Their commitment to innovation ensures installers receive products optimized for real-world challenges across all scales of PV deployment.
The 4mm cable supports up to 55A and is ideal for rooftop solar setups or short cable runs, while the 6mm cable supports up to 70A, making it better for commercial systems or installations requiring longer distances where voltage drop must be minimized.
Yes. Both 4mm and 6mm solar cable types are built with enhanced mechanical durability and insulation to support underground runs or enclosed conduit-based wiring in harsh environments.
Absolutely. The sheath is made from UV-resistant, cross-linked polyolefin, allowing the cable to perform reliably in long-term sunlight exposure.
Selection depends on system current, cable run length, and project scale. For residential systems with short connections, 4mm is often sufficient. For higher loads and long distances, the 6mm cable ensures safer current transmission and reduced voltage loss.
Both cables conform to TUV 2PfG/2642 and meet IEC 60332-1 flame resistance standards, ensuring they’re safe and compliant with global solar installation practices.
Twin-core cables simplify routing and reduce installation time, particularly in residential or small commercial projects. They also provide neater cable management, which is beneficial for system maintenance and fault detection.
Alison K –
Really good product
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Samuel J –
Good cable, strong and durable. Very happy with it
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Dexter –
Had a small issue with delivery but solved quickly. The cable works great though
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Alfred Emond –
Solar cables worked well. Not had any issues so far
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Greg –
Solid, reliable, would buy again. Pricing is great, shipping was quick
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