16mm2 25mm2 EN 50618 H1Z2Z2-K Solar Cable 1500V
The 16mm2 25mm2 EN 50618 H1Z2Z2-K Solar Cable 1500V is a photovoltaic DC cable designed for interconnection wiring of grounded and ungrounded solar power systems. It is suitable for solar module connections, PV string wiring, rooftop solar systems, ground-mounted solar farms, off-grid PV systems, and outdoor solar DC power transmission.
This H1Z2Z2-K solar cable uses a fine wire tinned copper conductor according to BS EN 50618 Class 5. The insulation and sheath are made from UV-resistant, cross-linkable, halogen-free, flame-retardant compound, helping the cable maintain stable electrical and mechanical performance in harsh outdoor environments. The 16mm2 and 25mm2 solar cable sizes are suitable for projects requiring higher current carrying capacity and reliable long-term operation.
Applications
- Grounded and ungrounded photovoltaic power systems
- Solar module interconnection wiring
- PV string connection and solar DC power transmission
- Rooftop solar systems
- Ground-mounted solar farms
- Off-grid solar power systems
- Outdoor photovoltaic cable installation
Cable Construction
- Conductor: Fine wire tinned copper conductor according to BS EN 50618 Class 5
- Insulation: UV-resistant, cross-linkable, halogen-free, flame-retardant compound
- Sheath: UV-resistant, cross-linkable, halogen-free, flame-retardant compound
- Core Identification: Red, black or natural
- Cable Colour: Black, red or blue
- Available Size Range: 1×2.5mm² to 1×35mm²
Key Features
- 16mm2 and 25mm2 H1Z2Z2-K solar cable for photovoltaic DC applications
- EN 50618 solar cable with fine stranded tinned copper conductor
- Weather and UV resistant for outdoor solar installations
- Ozone resistant with good notch and abrasion resistance
- Halogen-free and flame-retardant insulation and sheath
- Reduction of flame propagation and toxic combustion gases in the event of fire
- Robust against mechanical impacts
- Suitable for long-term outdoor applications
- Expected service life of 25 years or more
Standards / Certifications
- Standard: EN 50618
- Cable Type: H1Z2Z2-K
- Conductor Standard: BS EN 50618 Class 5
Single-Core Solar Cable Parameters
| Cable Size | Conductor Strand | Nominal Insulation Thickness | Nominal Sheath Thickness | Overall Diameter | Max. Conductor Resistance at 20°C |
|---|---|---|---|---|---|
| 1×2.5mm² | 49/0.25mm | 0.8mm | 0.8mm | 5.4±0.3mm | 8.21 Ω/km |
| 1×4mm² | 56/0.30mm | 0.8mm | 0.9mm | 6.2±0.3mm | 5.09 Ω/km |
| 1×6mm² | 84/0.30mm | 0.8mm | 0.9mm | 6.8±0.3mm | 3.39 Ω/km |
| 1×10mm² | 84/0.40mm | 1.0mm | 1.0mm | 9.0±0.3mm | 1.95 Ω/km |
| 1×16mm² | 126/0.40mm | 1.0mm | 1.0mm | 10.0±0.3mm | 1.24 Ω/km |
| 1×25mm² | 196/0.40mm | 1.2mm | 1.2mm | 12.2±0.5mm | 0.795 Ω/km |
| 1×35mm² | 276/0.40mm | 1.2mm | 1.2mm | 13.6±0.5mm | 0.565 Ω/km |
Why Choose 16mm2 25mm2 H1Z2Z2-K Solar Cable?
The 16mm2 25mm2 H1Z2Z2-K Solar Cable 1500V is suitable for PV projects that require stable DC power transmission, higher current carrying capacity, and long-term outdoor durability. The fine wire tinned copper conductor helps improve conductivity and oxidation resistance, while the halogen-free flame-retardant insulation and sheath support safer use in photovoltaic systems. With UV resistance, ozone resistance, abrasion resistance, mechanical impact resistance, and an expected service life of 25 years or more, this EN 50618 solar cable is suitable for solar farms, rooftop PV systems, and off-grid renewable energy projects.
The above parameters are for reference only. Custom solar cable sizes and colors are available upon request.
