Our range of SURGE PROTECTIVES DEVICES AllRenewable Energy SPDsSPDs Class ISPDs Class I - Class IISPDs Class I - IISPDS Class IITelephonic, Data and Network SPDs SPDs class 1 unipolar – 12,5 kA SPDs class 1 unipolar – 25 kA SPD class 1 monobloc – differential SPD class 1 monobloc – 25 kA SPD class 1 – class 2 unipolar – 50 kA SPD class 1 – 2 monobloc – 12,5 kA SPD class 2 multipolar – 15 kA SPD class 2 multipolar – 40 kA SPD class 2 compact – 40 kA SPD Analog Network SPD Digital Network SPD Renewable Energies – Class 2 Multipolar – 40 kA See our accessories