ZOTUP IN PILLS | WHERE TO INSTALL THE SPD INSIDE THE DISTRIBUTION PANEL?

One of the aspects to take into consideration when talking about surge arresters concerns theirpositioninginside the distribution panels. Should they be inserted at the beginning of the wiring or wherever there is free space on the DIN bar?

Starting from the assumption thatin order to avoid an inductive drop it is It is necessary to create very short connections, there is a simple rule to follow: the installation and positioning of the surge limiter must be evaluated based on the cable entry.

In fact, if the latter fit into the upper part of the panel, the SPD must also be installed in the upper part of the same; if, however, they enter the lower part, the limiter will also go positioned in the lower one. In both cases,it is It is extremely important to keep the length of the cables under half a meter as a longer measurement would generate an inductive drop. A technique to reduce the inductive drop of the cable to zero is make the so-called V connection (enter and exit).

For further information on the topic, readepisode 10 of ZOTUP IN PILLS: How to limit the length of SPD connections.

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Pill suggested by Ing. G.A.P.