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H1Z2Z2-K Solar Cable

Flexible 1500 V DC solar cable for permanent connections between PV modules, strings, combiner equipment and inverters.

Typical Scenarios
Key Specifications
  • PV module and string wiring
  • DC routes to combiner boxes or isolators
  • Protected rooftop and outdoor cable runs
  • Fixed connections to photovoltaic inverters
  • Rated voltage: 1.5/1.5 kV DC; maximum 1.8 kV DC
  • Conductor: Class 5 flexible tinned copper
  • Insulation and sheath: cross-linked, halogen-free compounds
  • Temperature range: −40°C to +90°C
  • Design standards: EN 50618 and IEC 62930
  • Available water-resistance options: Eca — AD7 or AD8; Dca — AD7 or AD8; Cca — AD7
Select cable specifications:
color option:
Certifications & complance:

Product Highlights

Lower DC Losses

PV string circuits can travel a long distance before reaching a combiner box or inverter, so conductor size and route length directly affect voltage drop and operating temperature. H1Z2Z2-K provides a dedicated 1.5 kV DC cable platform with sizes from small module strings to larger DC feeders. This gives designers room to select the conductor around current, route length and grouping instead of forcing the same size through every part of the array.

Outdoor PV Durability

Rooftop and ground-mounted arrays expose cable to UV, ozone, moisture and repeated temperature cycles for years. H1Z2Z2-K uses cross-linked halogen-free insulation and sheath materials developed for photovoltaic service, with water-resistant configurations available for demanding wet routes. The value is long-term environmental compatibility: the same cable can move from sheltered module areas to exposed support systems without relying on ordinary building-wire materials that were not designed for continuous outdoor PV duty.

Flexible Module Routing

Module frames, clips, trays and inverter entries create many short bends and direction changes in a solar array. The Class 5 tinned-copper conductor gives H1Z2Z2-K the flexibility needed to route cleanly without forcing the cable against terminals or support points. That makes installation easier on dense rooftops and repetitive utility rows while helping installers maintain controlled bend radii, support spacing and strain-free entries at the points where DC connections are made.

CPR & Wet-Route Options

European PV projects may need different fire and water-resistance levels depending on the cable route. H1Z2Z2-K is available in Eca and Dca constructions with AD7 or AD8 water resistance, while the Cca construction is available with AD7. This allows the same PV cable family to be matched more closely to rooftop, building-entry and exposed wet-route requirements.

Application Areas

Designed for Residential rooftop arrays, Commercial PV rooftops, Utility photovoltaic fields and DC combiner and inverter routes.

Residential rooftop arrays

Commercial PV rooftops

Utility photovoltaic fields

DC combiner and inverter routes

Technical Data

FAQ

Recommend

GENERAL DATA
  • Cross-linked single-core photovoltaic cable according to DIN VDE 0283-618 / DIN EN 50618 and IEC 62930
  • Temperature range, fixed installation: -40°C to +90°C
  • Permissible conductor operating temperature: +120°C
  • Nominal voltage: AC U0/U 1000/1000 V; DC U0/U 1500/1500 V
  • Maximum DC operating voltage: 1.8 kV
  • Test voltage: 6.5 kV AC
  • Minimum bending radius, fixed installation: 5 × overall diameter

 

CABLE STRUCTURE
  • Tinned copper, annealed stranded conductor according to DIN VDE 0295 Class 5 / IEC 60228 Class 5
  • Insulation: 125°C cross-linked compound (XLPO), halogen-free
  • Outer sheath: 125°C cross-linked compound (XLPO), halogen-free

 

PROPERTIES
  • UV-, ozone- and weather-resistant photovoltaic construction
  • Halogen-free cross-linked insulation and sheath
  • Water-resistance options: Eca and Dca — AD7 or AD8; Cca — AD7

 

TESTS
  • Halogen-free according to DIN VDE 0482-754-1 / DIN EN 60754-1 / IEC 60754-1
  • Flame-retardant according to DIN VDE 0482-332-1-2 / DIN EN 60332-1-2 / IEC 60332-1-2
  • CPR reaction-to-fire performance according to EN 50575:2014+A1:2016 for the selected CPR version
  • Smoke density according to DIN VDE 0482-1034-1-2 / DIN EN 61034-1-2 / IEC 61034-1-2
  • UV and weather resistance according to DIN VDE 0283-618 / DIN EN 50618 Appendix E
  • Ozone resistance according to DIN VDE 0283-618 / DIN EN 50618
  • Water resistance according to DIN VDE 0285-525-2-21 / DIN EN 50525-2-21 Appendix E
  • DC voltage resistance of insulation according to DIN VDE 0283-618 / DIN EN 50618 Table 2

 

 

DIMENSIONS & ELECTRICAL DATA

 

Description Nominal cross section mm² OD of conductor mm Insulation mm Sheath mm Cable diameter mm Conductor resistance at 20°C Ω/km Cable colour
H1Z2Z2-K 1 × 1.5 0.7 0.8 4.6 13.7 Black / Red
H1Z2Z2-K 1 × 2.5 2.0 0.7 0.8 5.1 ± 0.1 8.21 Black / Red
H1Z2Z2-K 1 × 4 2.45 0.7 0.8 5.5 ± 0.15 5.09 Black / Red
H1Z2Z2-K 1 × 6 3.0 0.7 0.8 6.1 ± 0.15 3.39 Black / Red
H1Z2Z2-K 1 × 10 4.1 0.7 0.8 7.2 ± 0.3 1.95 Black / Red
H1Z2Z2-K 1 × 16 5.1 0.7 0.9 8.8 ± 0.4 1.24 Black / Red
H1Z2Z2-K 1 × 25 6.3 0.9 1.0 10.8 ± 0.5 0.795 Black / Red
H1Z2Z2-K 1 × 35 8.0 0.9 1.1 12.6 ± 0.6 0.565 Black / Red

Dimensions are nominal / approximate unless a tolerance is shown.

Download TDS

Will the approval documents match the exact cable you quote?

Where a certificate, test report or DoP is part of the approval package, we match it to the quoted cable construction and the applicable scope. A document for one version is not treated as approval for another simply because the model name is similar.

What CPR evidence is available for H1Z2Z2-K Eca, Dca and Cca?

Eca is supported by the applicable test report. Dca and Cca are supported by the corresponding CPR certificate and Declaration of Performance. The CPR class, construction and size being supplied must fall within the scope of the supporting documents.

Does the same H1Z2Z2-K CPR documentation cover Twin, PV Extension and rodent-resistant versions?

Not automatically. Twin constructions, connectorised extensions and modified constructions such as nylon barrier or steel-wire armour have to be checked against the scope of the applicable documents. For a PV extension lead, CPR evidence for the base cable does not by itself classify the complete connectorised assembly.