Surge Protection (SPD) SURGYS E10 Surge arrester type 2 and 3 - For electronic devices and sensitive loads SURGYS D40 Type 2 surge arrester - for distribution boards SURGYS D40 replacement plug-in module Type 2 surge arrester - for distribution boards SURGYS G51-PV Type 2 surge arrester - For photovoltaic installations Spare SURGYS G51-PV plug-in module Type 2 surge arrester - For photovoltaic installations SURGYS G70 Type 2 surge arrester - for sites at risk of heavy lightning strikes Spare SURGYS G70 plug-in module Type 2 surge arrester - for sites at risk of heavy lightning strikes