ENERGYFLEX®: Photovoltaik Kabel


ENERGYFLEX - TÜV zertifiziert

Nexans ref. 10189494 - Land ref. 10167759

  • Verpackung: Trommel (m)
  • Leiterquerschnitt: 4 mm²


ENERGYFLEX - TÜV zertifiziert

Nexans ref. 10189495 - Land ref. 10167760

  • Verpackung: Trommel (m)
  • Leiterquerschnitt: 6 mm²


ENERGYFLEX - TÜV zertifiziert

Nexans ref. 10191044 - Land ref. 10167761

  • Verpackung: Trommel (m)
  • Leiterquerschnitt: 10 mm²





  • International
    EN 50618; IEC 62930


PV-Kabel für die Vernetzung von Photovoltaiksystemen nach 2 Pfg 1169/08.2007 und UTE C 32-502.


1. Leiter:

Flexibler verzinnter Kupferleiter Class 5 nach IEC 60228.

2. Isolierung:


3. Außenmantel
   - Polyolefin
   - Farbe schwarz
   - andere Farben auf Anfrage


1 Ader=  Weiß  


ENERGYFLEX®  PV1-F 1x s mm² 0.6/1kV Nexans 269 Photovoltaic



Current rating temperature

Ambient temperature = 60°C

Maximum conductor temperature = 120°C



Peroxide Crosslinked Material

Halogen Free Material

Cable insulation and jacket are both based on crosslinked polymers. Crosslinking is performed using peroxide technology. It means that the polymer macromolecular chains are physically bound by chemical links. The peroxide crosslinking is one of the most efficient ways to crosslink because it allows a crosslinking on a melt polymer, leading to a homogeneous network and a high density of links among the material thickness.



  • Infusible material (no more melting),
  • Increased resistance to ageing: better thermal ageing, UV resistance, better resistance to chemicals…,
  • Better mechanical properties (impact, abrasion…),
  • High integrity to support overload or short circuit.

Fig: The peroxide molecule decomposition leads to the formation of chemical bonds between polymer chains. After crosslinking, a three-dimensional network is obtained. The polymer chains are no more capable to slip among themselves and an infusible material is obtained with improved properties.

Halogen based materials are widely used in cable industry with PVC and flame retardant additives. Halogens are a specific family of chemical elements: Fluorine (F), Chlorine (Cl), Bromine (Br), Iodine (I), Astatine (At).

These elements are well-known to bring high performances regarding fire retardancy. However, they generate during the burning phase a heavy dark smoke with the formation of highly toxic and corrosive gases. Our Energyflex® cables are totally free of these elements.


Halogen content by Ion Chromatography

Fig: A piece of material is burned in a tube and the emitted gases are carried and trapped for analysis. For a precise dosage of these different halogen elements, ion chromatography allows to separate these elements and to quantify accurately the amount of each species.


Corrosivity of smoke

Fig: As seen before, a piece of material is burned and the gases are trapped in a liquid solution to measure the corrosivity of smoke. The pH and conductivity are measured and should be higher than respectively 4.3 and 10 µS/mm.








Long Term Thermal Endurance

Sunlight Resistance


The cable ageing under thermal oxidation leads to the degradation of the polymer material. To predict or at least to estimate what could be the lifetime of a material under thermal ageing, one uses the Arrhenius procedure depicted in the IEC 60216-1 to 4. The main principle is to age the material at high temperatures and then, using the Arrhenius law, to estimate/predict the lifetime at operating temperature (120 or 90°C). 


Arrhenius plot

Ageing was performed at 4 different temperatures: 135°C, 150°C, 165°C and 180°C. The line (linear plot) allows to predict the lifetime at 120 and 90°C. The red dots represent the main targets we are looking for, i.e. the 20000h@120°C, 25years@90°C and 40years@90°C. The more the extrapolated line is above the red dots, the more the lifetime is higher than the target.

The obtained extrapolation is well above the targets and thus the estimated lifetime is bigger than 40years@90°C.


Fig: Arrhenius plot of the insulation material. The criterion to determine the time to failure is chosen as a loss of 50% of the initial elongation at break. At this stage, the cable has initiated it degradation but it is not fully degraded.


One of the main causes of material ageing regarding photovoltaic application is the exposure to UV (Ultra-Violet) light, also called photo-degradation. The cable ageing under UV light is due to the combination of the temperature and UV irradiation (harmful UV irradiation is mainly between wavelengths 300 and 400 nm on the earth surface).


Accelerated ageing

Our jacketing material presents no degradation after 1 month of weathering acc. to the EN 50289-4-17 method A.


Fig: The Xenon lamp generates a spectrum close to the sunlight one. The samples are placed facing the lamp and are submitted to a specific irradiance and temperature to accelerate the UV ageing.


Beyond the standard


Fig: Here in our Nexans process, we exceed the test conditions of the EN (4000hours against 720h  and 100W/m² against 43W/m² specified) and we see no change of the mechanical features.



Dynamic Mechanical Performances

Fire/Flame Retardancy

No dynamic mechanical tests are found in the EN 50618 standard because the cables are intended to be used without any dynamic constraints.

As Energyflex® could be used for Tracker systems, we have performed additional tests:

  • Cyclic torsion
  • Cyclic bending

Dynamic behaviour

Dynamic/cyclic mechanical constraints lead to the conductor degradation (copper/aluminium braid degradation). In our case, the cable present very good dynamic properties and still transmit current after 100 000 cycles in both torsion and bending. 


Fig: Torsion cycles: 50N ± 135° 100°/s


Fig: Reverse bending: 100N ± 45° 160°/s


Energyflex® cables are HFFR, i.e. Halogen Free Fire Retardant cables. The material is free of halogen and is capable to withstand a flame retardant test according to the EN 60332-1-2. It means that the cable presents a good resistance regarding the flame spread with a very good self-extinguishing behavior.


Resistance to flame test

The cable passes the EN 60332-1-2 where 600mm of cable are tested vertically. The flame is applied with a 45° angle and a 1kW burner.


Fig: Picture of the flame test acc. to EN 60332-1. The flame is applied 1 to 8 minutes depending on the cable diameter. The test is compliant if after the flame application, the flame extinguishes with a burned length comprises between 50 and 540mm. 






Tin Coated Copper Class 5 acc. To EN 60228
KL.5 = feindrähtig
Cross-linked halogen free rubber
Cross-linked halogen free rubber
Black (blue or red stripe on request)
IEC 60754-1; IEC 60754-2




Elektrische Eigenschaften

Elektrische Eigenschaften

Nennspannung Uo/U
1.0/1.0 (1.2) kV AC 1.5/1.5 (1.8) kV DC



-40 ... 90 °C
Max. Betriebstemperatur am Leiter
120 °C
Max. Kurzschlusstemperatur am Leiter
250 °C
Korrosivität der (Brand-)Gase
niedrig, gem. IEC 60754-2
IEC 61034-1-2
EN 50396:2005
IEC 60332-1
Condition AH 3 (sever industrial conditions) acc. to HD 60364-5-52
UV Beständigkeit
EN 50289-4-17 method A, for 720h. Nexans prestige test 4000h
Passed 100 days 50°C water immersion test of EN 50525-2-21 annex D and E




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