POP CT is the series of combined power frequency overvoltage protection (POP) and surge protection device for discharging surge current in the first step of protection according to EN/IEC 61643-11. Intended for actuation on the contactor of an installation (not included). Suitable for the first stage of protection in commercial or other applications not exposed to direct strikes and with no external lightning protection system. These devices are suitable for installation in lighting panels.
