Priess A/S

Priess A/S

Danish quality & design since 1921

We have expertise within standard and custom solutions for secondary substations, technical cabins, pump cabins and self-powering solar cell lighting columns.

Our focus on customer satisfaction is something which requires innovation and development. Our extensive know-how and our deep involvement in our projects ensures that we are always at the cutting edge of new trends and thus always able to find the best possible solutions for our customers.

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Quality assurance on secondary substations

We test our secondary substations regularly so that operators and passers-by are always guaranteed the highest possible level of safety.
Among other types of testing, we have performed several accredited arc flash tests on our secondary substations over the years – most recently in 2020.
We test our secondary substations in accordance with DS/EN/IEC 62271-202. Our tested secondary substations have thus been granted a classification known as DS/EN/IEC 62271-202 – IAC-AB. Over the years we have performed tests at both 20 kA and 36 kA for one second.

An arc flash test is a test which seeks to ensure that passers-by in the vicinity of a secondary substation will not be injured should a short circuiting occur inside. Performing arc flash tests is not a legal requirement in Denmark; however, in order to make sure you get the best and most secure substation possible, we test all of our secondary substations continuously.

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