As close as possible to the connector without damaging the connector. Make sure the cable is straight when clamped.
Best is to clamp the cable first and then install the connector on the bushing.
Which is the main component of the surge arrester?
The surge arrester contains metal oxide blocks which act as varistors.
Should the surge arrester be installed in front or at the back of the separable connector?
This makes no difference electrically. The most common installation is with the surge arrester installed at the back of
the separable connector. Important is that the cable is properly clamped so bushing has only to carry the weight of the
connector and the surge arrester.
How does the surge arrester work?
In normal conditions SA has a high resistance R, when overvoltage occurs (lightning, switching, ...) resistance R of the
SA will drop until it is smaller than the resistance of the network and failure current will be led through the SA out of
the network.
What is the function of the surge arrester?
To protect the transformers, switchgear, cables and accessories from HV surges (due to lightning or switching).
What is the required environmental temperature during the installation of cold shrink products?
The required environmental temperature during the installation of cold shrink products is between +5°C and +40°C. In
colder circumstances the product can still be installed, but it will take more to reach the final diameter.
What is the shelf life of cold shrink products?
The shelf life of the cold shrink products is 1 year.
What is the shelf life of heat shrink products?
The heat shrink products have unlimited shelf life if stored in good conditions (no direct sunlight, no dust,... ).
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