Solar
Photovoltaic cable for solar power plants (EN 50618)
H1Z2Z2-K is a specialised photovoltaic (solar) cable for connecting solar panels in photovoltaic installations. It complies with the European standard EN 50618 “Electric cables for photovoltaic systems”. It is used at solar power plants to connect PV modules to each other and to inverters. Designation breakdown: H – harmonised (EN), 1 – rated for 1.5 kV DC, Z – halogen-free insulation, 2 – double, Z2 – halogen-free sheath, K – flexible (class 5).
Types and sizes to EN 50618 with actual technical specifications.
| Type / size | Cross-section, mm² | Conductor ⌀, mm | Insul. thickness, mm | Sheath thickness, mm | Outer ⌀, mm | Weight, kg/km | Current (60°C, in air), A |
|---|---|---|---|---|---|---|---|
| H1Z2Z2-K 1.5 | 1.5 | 1.6 | 0.7 | 0.8 | 5.0 | 32 | 30 |
| H1Z2Z2-K 2.5 | 2.5 | 2.0 | 0.7 | 0.8 | 5.4 | 45 | 41 |
| H1Z2Z2-K 4 | 4 | 2.6 | 0.7 | 0.8 | 6.0 | 65 | 55 |
| H1Z2Z2-K 6 | 6 | 3.2 | 0.7 | 0.8 | 6.6 | 90 | 70 |
| H1Z2Z2-K 10 | 10 | 4.2 | 0.7 | 0.8 | 7.6 | 140 | 98 |
| H1Z2Z2-K 16 | 16 | 5.4 | 0.7 | 0.8 | 8.8 | 215 | 132 |
| H1Z2Z2-K 25 | 25 | 6.8 | 0.9 | 0.9 | 10.5 | 320 | 176 |
| H1Z2Z2-K 35 | 35 | 8.0 | 0.9 | 0.9 | 11.7 | 425 | 218 |
| H1Z2Z2-K 50 | 50 | 9.5 | 1.0 | 1.0 | 13.5 | 580 | 276 |
| H1Z2Z2-K 70 | 70 | 11.5 | 1.1 | 1.1 | 15.5 | 770 | 347 |
| H1Z2Z2-K 95 | 95 | 13.5 | 1.1 | 1.2 | 17.5 | 1010 | 416 |
| H1Z2Z2-K 120 | 120 | 15.0 | 1.2 | 1.2 | 19.0 | 1230 | 488 |
H1Z2Z2-K is a modern photovoltaic cable specially designed for connecting solar PV modules in photovoltaic systems. It complies with the European standard EN 50618 “Electric cables for photovoltaic systems”, which sets out the specific requirements for such cables: a long service life in direct sunlight (at least 25 years), resistance to high operating temperatures (+90°C on a roof in summer), and fire safety under conditions of high DC short-circuit currents.
Key features:
It is used in Uzbekistan for building solar power plants of any scale – from private installations of 5-30 kW to industrial solar farms of 100+ MW. It is supplied in black (standard), red (for positive polarity) and blue (for negative polarity) for convenient installation in the field.
Conductor
Stranded tinned copper, flexibility class 5 to EN 60228. Tinning protects against oxidation at the contact with MC4 connectors and ensures reliable connections for the entire service life.
Insulation
Cross-linked, halogen-free, low-flammability polymer compound. Resistant to UV radiation, ozone, moisture and short-term heating up to +120°C.
Outer sheath
Halogen-free, UV-resistant compound. Colours: black (standard), red (for +), blue (for −). Emits no corrosive gases or acrid smoke when burning.
H1Z2Z2-K cross-section – tinned copper conductor in two layers of UV-resistant halogen-free insulation
Detailed specifications – see the TCG datasheet
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