500VDC Type 2 Surge Protective Device PV DC SPD is installaed position in the total power supply DC circuit systems,direct/indirect lightning current or other transient over voltage protection.
Combined AC SPD Type 1 and Type 2 Lightning Current Arrester and Surge Arrester is using for the direct lightning protection in Power system, and can usage in Transformer low-voltage side.
YL1-D20 series OBO Type AC SPD Type 2 Surge Protection Device consisting of a base part and plug-in protection modules ,for use in AC or DC PV system.
YL1-C40 series OBO Type Type 2 AC SPD Surge Protection Device is suitably used in the TT, TN-S, TN-C, IT, TN-C-S etc. power supply system.
YL1-B60 series OBO Type AC SPD Type 2 Surge Protective Device for installation at the boundary of zones LPZ1 and LPZ2.
YL1-D20 series DHEN Type AC SPD Type 2 Surge Protection Device is DIN rail installation which is easy to install.