Solar cable black 75m 6mm² IEC62930 – SOLS675 for professional PV projects
Description
Product information
The solar cable SOLS675 (75 metres, 6mm²) in black is the high-performance solution for photovoltaic installations that need to efficiently handle long distances and high currents. With a length of 75 metres and a reinforced cross-section of 6mm², this cable offers maximum reserves for string cabling on extensive roofs or connecting module arrays to distant inverters. The black colour provides standard-compliant identification of the negative terminal (-).
Certified according to the international standard IEC 62930, the SOLS675 meets the strictest quality requirements for permanent use under extreme conditions. The generous cross-section ensures that voltage drop is minimised even on long cable runs, directly resulting in a higher overall yield of your solar system.
Highlights at a glance
- High efficiency: The 6mm² cross-section massively minimises electrical resistance, which is critical for efficiency at the 75-metre distance.
- Certified safety: Complies with IEC 62930 (H1Z2Z2-K) standard for permanent use in photovoltaic DC systems up to 1500V.
- Optimal project length: 75 metres in one piece allows uninterrupted laying over long distances without unnecessary couplings or additional plug connections.
- Extremely resistant: The high-quality XLPO double insulation protects the cable for decades against embrittlement due to intense UV radiation, ozone and weather.
- Corrosion-protected conductor: Fine-stranded, tinned copper delivers excellent conductivity for the long term and effectively protects against oxidation, even in humid or salty air.
- Wide temperature range: Safe operation under the harshest climatic conditions from -40°C to +90°C.
Areas of application
The SOLS675 is the ideal choice for demanding long-distance connections:
- Larger roof systems & commercial property
- Perfect for connecting the solar modules to the inverter when the inverter is installed over several floors or in a remote technical room.
- Ground-mounted & garden systems
- Ideal for connecting distant module arrays to the feed-in point with minimal loss.
- Powerful stand-alone systems
- Ideally suited for 24V or 48V systems with high charging currents, where maintaining every volt at the battery matters.
Assembly & Safety instructions
- Professional assembly
- To complete the cable, only use high quality MC4 connectors approved for 6mm² cross-section. A gas-tight crimp is essential for long term safety.
- Protection in underground laying
- Although the cable is weather-resistant, it must always be routed in a suitable protective conduit when laid in the ground to protect it from mechanical influences.
- Parallel cable routing
- Lay the black negative cable as close as possible to the red positive cable to minimise electromagnetic interference and induction loops.
Features
| Model / SKU | **SOLS675** |
| Conductor cross-section | **6.0 mm²** |
| Delivery form | **75 metre ring** |
| Colour | Black (negative terminal) |
| Rated voltage | DC: 1.5 kV / Max. 1.8 kV |
| Conductor material | Copper, tinned (Class 5) |
| Temperature range | -40°C to +120°C (at conductor) |
| Standards | **IEC 62930 / EN 50618** |
| Special features | Acid & alkali resistant, halogen-free |
FAQs about the solar cable black 75m 6mm²
Why is 6mm² for a length of 75 metres almost always the better choice?
To keep power losses in check. Over a total length of 150 metres (out and back), the resistance increases significantly. A 6mm² cable reduces the voltage drop by about a third compared to 4mm², which means a noticeable increase in yield over the life of the system.
Can the cable also be installed indoors?
Yes. Thanks to its flame-retardant and halogen-free XLPO insulation, the SOLS675 can be safely installed in buildings to carry energy from the roof to the inverter room.
Does the cable fit in standard MC4 connectors?
Yes, in the 6mm² compatible variants. When purchasing connectors, ensure that they are suitable for the cross-section range of 4–6mm² so that sealing and strain relief operate perfectly.Properties
| Cross-section of the conductor: | 6.00 mm² |
|---|---|
| Nominal voltage: | 0.6 / 1kV AC |
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