High Tension Busbar

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Protection Tube

All of our busbar systems have a protection tube which provides the following features:

– Best possible barrier against humidity and moisture ingress
– Excellent mechanical protection
– Same busbar system for indoor and outdoor application

High stability under UV exposure.

Resistant to aggressive environments such as salt water, mineral oil, grease, fuels, weak acids and bases.
Resistant to natural ingress like fungus, termites and mildew.
DURESCA® busbars are available in two versions:

– DE type with a corrugated polyamide tube → additional creepage distance.
– DG type with Cr-Ni or Aluminum for higher diameter (when polyamide tube is no more available).

Earth Layer

Specific for DURESCA® busbars is the earth screen in copper, embedded in the insulation and designed for a fault current of 8kA in case of an exceptional insulation failure.


Its design requires less space thanks to reduced bending radius combined with an easy and fast installation.

The DURESCA® busbar system, with the highest level of quality allows a safe lifetime of more than 30 years.