2 P 230V AC Surge protector deviceHIGH QUALITY MODULAR SURGE PROTECTORProtect your sensitive electrical equipment from lightning and power surges. Complete prewired unit for Single-phase 230 V TT and TN systems, consisting of a base part and plug-in protection modules.Requires installation by an electrician as it is installed in a distribution board.FSP-A series surge protection device (in short SPD, alias: surge suppressor surge arrester)is suitable for TN-S, TN-C-S, TT, IT etc., power supply system of AC 50/60Hz,It’s designed according to IEC61643-1, GB18802.1, it adopts 35mm standard rail, there is a failure release mounted on the module of surge protection device.When the SPD fails in breakdown for over heat and over-current, the failure release will help electric equipment’s separate from the power supply system and give the indication signal, green means normal, red means abnormal, it also could be replaced for the module when has operating voltageWhat’s in the box 1 x Surge Protector
