Cavo solare H1Z2Z2-K
H1Z2Z2-K Solar Cable is a photovoltaic DC cable designation for PV module wiring and solar power system connections.
It is commonly requested for projects that follow EN 50618 or IEC 62930 and need flexible tinned copper conductors, cross-linked halogen-free insulation and sheath, UV/weather resistance, and clear export documentation.
COSTRUZIONE
Conduttore:
Flexible tinned copper conductor
Sezione:
Da 1.5 mm2 fino a 300 mm2
Isolamento:
Cross-linked halogen-free compound
Guaina:
Cross-linked halogen-free, UV-resistant compound
Identificazione del nucleo:
Black or red
CARATTERISTICHE
Tensione nominale Uo/U:
1/1 kV AC, 1,5/1,5 kV DC
Valutazione della temperatura:
-25°C up to 60°C (durante l'installazione e la movimentazione)
-40°C up to +90°C (in operation)
Application:
PV module strings, combiner box circuits, inverter DC-side cable runs
NORME:
IN 50618. Flame retardant to IEC/EN 60332-1-2. Low Smoke Zero Halogen to IEC/EN 60754-1/2, CEI/EN 61034-1/2
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XWA H1Z2Z2-K Cable Datasheet
| Specification (mm²) | Diametro del conduttore (mm) | Nominal Insulation Thickness (mm) | Nominal Sheath Thickness (mm) | Approximate Cable Outside Diameter (mm) | Approximate Cable Weight (kg/km) | Maximum DC Resistance of Conductor at 20°C (Ω/km) |
|---|---|---|---|---|---|---|
| 1×1,5 | 1.58 | 0.7 | 0.8 | 4.6 | 35 | 13.7 |
| 1×2,5 | 2.02 | 0.7 | 0.8 | 5.0 | 47 | 8.21 |
| 1×4 | 2.58 | 0.7 | 0.8 | 5.6 | 65 | 5.09 |
| 1×6 | 3.17 | 0.7 | 0.8 | 6.2 | 87 | 3.39 |
| 1×10 | 4.1 | 0.7 | 0.8 | 7.6 | 132 | 1.95 |
| 1×16 | 5.6 | 0.7 | 0.9 | 8.8 | 197 | 1.24 |
| 1×25 | 7.1 | 0.9 | 1.0 | 10.9 | 303 | 0.795 |
| 1×35 | 8.5 | 0.9 | 1.1 | 12.5 | 410 | 0.565 |
| 1×50 | 10.2 | 1.0 | 1.2 | 14.6 | 573 | 0.393 |
| 1×70 | 12.0 | 1.1 | 1.2 | 16.6 | 777 | 0.277 |
| 1×95 | 14.0 | 1.1 | 1.3 | 18.8 | 1030 | 0.210 |
| 1×120 | 16.0 | 1.2 | 1.3 | 21.0 | 1284 | 0.164 |
| 1×150 | 17.0 | 1.4 | 1.4 | 22.6 | 1594 | 0.132 |
| 1×185 | 19.0 | 1.6 | 1.6 | 25.4 | 1979 | 0.108 |
| 1×240 | 22.0 | 1.7 | 1.7 | 28.8 | 2540 | 0.0817 |
FAQs of XWA H1Z2Z2-K Solar Cable
What is H1Z2Z2-K Solar Cable?
H1Z2Z2-K is a photovoltaic cable designation used for PV DC-side wiring. It usually points to a flexible tinned copper conductor, cross-linked halogen-free insulation, and a UV-resistant halogen-free sheath for solar applications.
Where is H1Z2Z2-K Solar Cable used?
H1Z2Z2-K is used in PV module interconnection, string wiring, combiner box circuits, commercial rooftop solar, and utility-scale ground-mounted solar farms. It is especially relevant when EN 50618 or IEC 62930 is named in the project specification.
Why Are Special Solar Cables Required for PV Systems?
Solar cables are exposed to sunlight, heat, umidità, ozone, and outdoor weather for decades. Ordinary power cables are not designed for these conditions and may crack, degrade, or lose performance over time.
H1Z2Z2-K solar cable uses cross-linked halogen-free insulation and sheath materials that provide excellent UV resistance, resistenza agli agenti atmosferici, and long-term reliability for photovoltaic installations.
What Is the Difference Between H1Z2Z2-K and PV1-F Cable?
H1Z2Z2-K is the newer generation photovoltaic cable commonly associated with EN 50618 e CEI 62930 requirements.
Compared with traditional PV1-F cable, H1Z2Z2-K typically offers:
- Higher voltage capability
- Improved environmental performance
- Compliance with newer photovoltaic cable standards
- Better suitability for modern solar projects
Always verify the project specification before substituting one cable type for another.
Which H1Z2Z2-K Cable Size Should I Choose?
The most commonly used sizes are:
- 1×4 mm² for standard PV module string wiring
- 1×6 mm² for longer cable runs or higher current applications
- 10 mm² and above for larger commercial and utility-scale systems
The correct cable size should be selected based on current carrying capacity, voltage drop requirements, metodo di installazione, and cable route length.
Can H1Z2Z2-K Be Used Underground?
H1Z2Z2-K is primarily designed for photovoltaic installations in open-air environments.
For underground installation, additional mechanical protection such as conduits or ducts is typically recommended. Local installation regulations and project specifications should always be followed.
Can H1Z2Z2-K Be Used for Both DC and AC Circuits?
SÌ. H1Z2Z2-K is commonly used in photovoltaic systems for DC-side connections between solar modules, strings, combiner boxes, and inverters.
Depending on the applicable standard and project requirements, it may also be used in certain AC-side applications. Always verify voltage ratings and local electrical regulations before installation.
Why Are Solar Cables Available in Red and Black?
Red and black jackets help installers quickly identify polarity in photovoltaic DC circuits.
In most PV systems:
Red cable = Positive (+)
Black cable = Negative (-)
Color identification helps reduce wiring mistakes during installation, test, and maintenance.
Why Does H1Z2Z2-K Use Tinned Copper Conductors?
Tinned copper conductors provide excellent conductivity while offering improved resistance to oxidation and corrosion.
This makes them particularly suitable for long-term outdoor solar installations where cables are exposed to varying environmental conditions throughout their service life.
How Long Does H1Z2Z2-K Solar Cable Last?
When properly selected and installed, H1Z2Z2-K solar cable is designed for long-term outdoor service and is commonly used in photovoltaic systems with expected operating lives of 25 years or more.
Actual service life depends on installation quality, condizioni ambientali, operating temperature, e pratiche di manutenzione.
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