SPD
DG M TT 320 FM (952 325) ■ Prewired complete unit consisting of a base part and plug-in protection modules ■ High discharge capacity due to heavy-duty zinc oxide varistors / spark gaps ■ High reliability due to "Thermo Dynamic Control" SPD monitoring device https://www.dehn-international.com/pdbRes/DE_EN_Web/680/33274/Artikelnummer-pdf/33321/952325.pdf