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H1Z2Z2-K Nylon-Barrier Rodent-Resistant Solar Cable

A nylon barrier is added between the cross-linked photovoltaic insulation system and the outer sheath. The harder intermediate layer gives rodents an additional physical barrier while retaining a non-metallic cable construction for fixed PV wiring.

Typical Scenarios
Key Specifications
  • Rooftop service areas where rodents can reach DC wiring
  • Commercial and agricultural PV arrays
  • Cable trays and protected routes with repeated gnawing risk
  • Inverter and combiner routes where a non-metallic barrier is preferred
  • Rated voltage: 1.5/1.5 kV DC; maximum 1.8 kV DC
  • Conductor: Class 5 flexible tinned copper
  • Insulation: cross-linked, halogen-free polyolefin compound
  • Additional protective layer: nylon barrier, nominal thickness 0.7 mm
  • Outer sheath: cross-linked, halogen-free photovoltaic compound
  • Base photovoltaic design: EN 50618 and IEC 62930
  • Conductor, insulation, sheath and electrical data: based on standard H1Z2Z2-K for the corresponding conductor size
  • Protection concept: non-metallic physical barrier; rodent-resistant, not rodent-proof
  • Final overall diameter and bending radius: confirm from the HORNOUR production drawing for the selected size
  • CPR classification: not assigned in current HORNOUR documentation for this modified construction
Select cable specifications:
Certifications & complance:

Product Highlights

Hard Nylon Barrier

The added nylon layer creates a harder surface beneath the outer sheath, so a rodent must penetrate an additional physical barrier before reaching the photovoltaic insulation. This makes the construction suitable where the route needs more than a taste or odour deterrent but does not justify metal armour.

Non-Metallic Protection

Nylon adds physical resistance without introducing a conductive armour layer. The cable therefore remains easier to route through rooftop supports, trays and equipment entries than a steel-armoured design, while giving exposed sections a tougher construction than standard H1Z2Z2-K.

For Persistent Gnawing Risk

The nylon-barrier version fits routes where rodent access is recurring and a physical layer is preferred. Where the same route is also exposed to impact, crushing or severe mechanical damage, steel-wire armour provides the more appropriate protection level.

Application Areas

Designed for PV rooftops with rodent exposure, Commercial solar arrays, Agricultural PV systems and Protected outdoor DC routes.

 

PV rooftops with rodent exposure

Commercial solar arrays

Agricultural PV systems

Protected outdoor DC 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
  • Nylon barrier: nominal thickness 0.7 mm
  • 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
  • 0.7 mm nylon barrier provides an additional non-metallic physical layer for rodent resistance
  • Rodent-resistant, not rodent-proof
  • Finished overall diameter is construction-specific and must be confirmed from the HORNOUR production drawing

 

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
  • 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 Nylon barrier mm Sheath mm Conductor resistance at 20°C Ω/km Cable colour
H1Z2Z2-K Nylon Barrier 1 × 1.5 0.7 0.7 0.8 13.7 Black / Red
H1Z2Z2-K Nylon Barrier 1 × 2.5 2.0 0.7 0.7 0.8 8.21 Black / Red
H1Z2Z2-K Nylon Barrier 1 × 4 2.45 0.7 0.7 0.8 5.09 Black / Red
H1Z2Z2-K Nylon Barrier 1 × 6 3.0 0.7 0.7 0.8 3.39 Black / Red
H1Z2Z2-K Nylon Barrier 1 × 10 4.1 0.7 0.7 0.8 1.95 Black / Red
H1Z2Z2-K Nylon Barrier 1 × 16 5.1 0.7 0.7 0.9 1.24 Black / Red
H1Z2Z2-K Nylon Barrier 1 × 25 6.3 0.9 0.7 1.0 0.795 Black / Red
H1Z2Z2-K Nylon Barrier 1 × 35 8.0 0.9 0.7 1.1 0.565 Black / Red

Conductor, insulation, sheath and electrical values follow the standard H1Z2Z2-K data. Nylon barrier nominal thickness is 0.7 mm. Finished overall diameter and weight must be confirmed from the HORNOUR production drawing.

 

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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.

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.