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Certified, buriable, short-circuit rated

Kleines Kraftwerk Pair of 3 m extensions, 4 mm², EN 50618, IP67, buriable

A pair of three-metre 4 mm² extension leads certified to EN 50618 and H1Z2Z2-K, rated IP67, buriable, and short-circuit resistant to 200 °C for five seconds.

Kleines Kraftwerk 3 m solar extension pair with MC4 connectors

Kleines Kraftwerk Pair of 3 m extensions, 4 mm², EN 50618, IP67, buriable

A pair of three-metre 4 mm² extension leads certified to EN 50618 and H1Z2Z2-K, rated IP67, buriable, and short-circuit resistant to 200 °C for five seconds.

Length
3 m each, from the title
Cross-section
4 mm², second bullet
Connectors
MC4 pre-fitted both ends for plug-and-play installation, first bullet
Expected voltage drop
Nowhere in the listing
Ingress rating
IP67, buriable, third bullet
What a pair contains
Two 3 m leads, second bullet; certified to EN 50618 and H1Z2Z2-K, −40 °C to +120 °C, short-circuit resistant to 200 °C for 5 s
Amazon reference
B0F8J2C37S (same reference on 6 Amazon marketplaces)
EAN
9503868658730
  • A short-circuit rating with its duration — 200 °C for five seconds — which nothing else in this catalogue publishes
  • Both EN 50618 and H1Z2Z2-K cited, with a −40 °C to +120 °C range
  • No voltage drop figure

Best for: A garden run that has to go underground between a panel and a building.

≈ €16
Check price on Amazon

Specifications

Length
3 m each, from the title
Cross-section
4 mm², second bullet
Connectors
MC4 pre-fitted both ends for plug-and-play installation, first bullet
Expected voltage drop
Nowhere in the listing
Ingress rating
IP67, buriable, third bullet
What a pair contains
Two 3 m leads, second bullet; certified to EN 50618 and H1Z2Z2-K, −40 °C to +120 °C, short-circuit resistant to 200 °C for 5 s
Amazon reference
B0F8J2C37S (same reference on 6 Amazon marketplaces)
EAN
9503868658730

Three metres a side, certified and buriable.

The rating with a duration

Short-circuit resistant to 200 °C for five seconds. That describes what the insulation survives while a fault current flows and protection operates — and across every cable, lead and connector in this catalogue, one listing publishes it.

Two standards

EN 50618 and H1Z2Z2-K, with a temperature range of −40 °C to +120 °C. The complete designation and the range it implies, both stated.

Buriable

Named explicitly. Most solar cable listings do not address burial at all, and a garden run between a panel and a house usually needs it.

What the cable allows and what the local wiring rules require are two things; this listing settles the first.

The one gap

The voltage drop over three metres. Five extension leads in this family and none publishes one — which is precisely the figure a length is chosen against.

Availability

German Amazon store quoted about 16 € when this page was compiled.

American, British, French, Italian and Spanish Amazon catalogues carry an entry for it, with nobody selling.

These figures are what Keepa reported on the day this page was last updated. Availability and pricing move without notice.

Prices quoted in this text were read on 16 September 2026. The live price is at the top of the page.

More solar extension cables

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    Length
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    Ingress rating
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    Cross-section
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    Connectors
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    Connectors
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    Expected voltage drop
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    Ingress rating
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Others on the same shelf

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