H1Z2Z2-K, optimized version

Cross-linked H1Z2Z2-K/EN 50618 certified solar cable, UL Impact-Resistance tested

H1Z2Z2-K - cross-linked solar cable per EN 50618 for durable outdoor use in photovoltaic systems, UL 854 Impact-Resistance tested, CPR Dca classified

  • H1Z2Z2-K type certified according to EN 50618
  • Burial-related, mechanical UL 854 Impact-Resistance Test
  • Dca classified per CPR

Solar Energy Suitable for outdoor use Good chemical resistance Halogen-free Heat-resistant Cold-resistant Temperature-resistant UV-resistant


Article number Number of cores and mm² per conductor Outer diameter [mm] Copper index (kg/km) Weight (kg/km)
Color of the outer jacket: Black
1 X 4 5.5 38.4 60
1 X 6 6 57.6 80
1 X 10 7.1 96 123
Color of the outer jacket: Red
1 X 4 5.5 38.4 60
1 X 6 6 57.6 80
1 X 10 7.1 96 123
Color of the outer jacket: Blue
1 X 4 5.5 38.4 60
1 X 6 6 57.6 80
1 X 10 7.1 96 123


  • Reduction of flame propagation and of toxic combustion gases in the event of fire
  • Robust against mechanical impacts
  • For outdoor applications
  • Inside the EU, and particularly on site, applicable for many building types as per local, legal implementation of EU CPR - Construction Product Regulation (EU) No. 305/2011, thanks to Dca Classification
  • 25 years in expectable lifespan under normal use conditions as defined in EN 50618

Application range

  • For free and stationary or for freely suspended outdoor and indoor cabling between the solar modules, or between the module strings and the DC/AC inverter, for example in line with HD 60364-7-712 on PV systems, and EN 50618 on H1Z2Z2-K cable type, etc....; Short circuit and earth fault protected per EN 50618, Annex A, and per HD 60364-5-52
  • Photovoltaic systems with DC system voltage up to 1800 V to ground
  • As per EN 50618, Annex A, inside electrical installation pipe/ duct/ channel, plaster, and appliance, as well as inside or connected to double insulated/ protected appliance or system of protection class II
  • Contact with water for many years can damage cables case by case, and sometimes occurs inside mechanically protective conduits/ ducts/ tubes/ raceways as a consequence of logging, rain or condensation, for instance
  • Increased, mechanical robustness, for instance in the event of impact, with regard to assessed, burial based UL 854 Impact-Resistance Test

Product features

  • Weather/ UV resistant per EN 50618, Annex E, as well as ozone resistant per EN 50396
  • Flame retardant per IEC 60332-1-2, and Dca classified per EU CPR - Construction Product Regulation (EU) No. 305/2011
  • Halogen-free according to IEC 60754-1 (amount of halogen acid gas),
    Corrosiveness of combustion gases according to IEC 60754-2 (degree of acidity)
  • Good notch and abrasion resistance
  • Burial-related, mechanical Impact-Resistance Test of Single-Conductor Type USE and USE-2 cables [Underground Service Entrance Cables] per UL 854, Section 23, conducted

Norm references / Approvals

  • H1Z2Z2-K type certified according to EN 50618
  • Items with other cross-sections on request

Product Make-up

  • Fine-wire, tinned-copper conductor
  • Coreinsulation made of cross-linked copolymer
  • Outer sheath made of cross-linked copolymer
  • Outer sheath colour: black, red or blue
  • Further single colours for the outer sheath on request

Classification ETIM 5

  • ETIM 5.0 Class-ID: EC001578
  • ETIM 5.0 Class-Description: Flexible cable

Classification ETIM 6

  • ETIM 6.0 Class-ID: EC001578
  • ETIM 6.0 Class-Description: Flexible cable

Conductor stranding

  • Fine wire according to VDE 0295,
    class 5/IEC 60228 class 5

Minimum bending radius

  • 4 x OD

Nominal voltage

  • AC U0/U: 1.0/1.0 kV
    DC U0/U: 1.5/1.5 kV
    Max. permissible DC operating voltage: 1.8 kV

Test voltage

  • AC 6500 V
  • DC 15000 V

Current rating

  • Im compliance with EN 50618, Table A.3
  • Acc. to EN 50618, reduction factors for clustered wiring per... HD 60364-5-52

Temperature range

  • >Conductor..., max., per EN 60216-1: 120°C;
    >Conductor..., max., short-circuit/ earth fault (period of max. 5 s): 250°C;
    >Ambient..., min., stationary use: -40°C;
    >Ambient..., min., flexible use or during installation: -25°C;
    >Ambient..., max., in conjunction with EN 60216-1: 90°C;
    >Ambient..., constant, in conjunction with HD 60364-7-712: 70°C to 90°C;
    >Ambient..., ambient temp. related reduction factor 1.00: 60°C;
    >Ambient..., max., storage: 40°C

  • Unless specified otherwise, the shown product values are nominal values. Detailed values (e.g. tolerances) are available upon request.
  • Copper price basis: EUR 150/100 kg. Refer to catalogue appendix T17 for the definition and calculation of copper-related surcharges.
  • Please find our standard lengths at: www.lappkabel.de/en/cable-standardlengths
  • Photographs and graphics are not to scale and do not represent detailed images of the respective products.