NU6 - Ⅰ+Ⅱ surge protective device conforms to IEC/EN 61643-11 standard. It is applicable to thepower distribution and control system with AC 50/60Hz and rated voltage of single phase 230V/three phase 400V. It meets the requirements of SPD Level I and II tests and is used to suppress the transient over-voltage lower than the impulse withstand over-voltage of equipment, discharge the surge energy and protect the system circuit and equipment.
Main functional characteristics of surge protective device: It has L-PE, N-PE, L-N protection modes, and is suitable for various power grid systems; With aging and overheating protection, body deterioration indication, plug-in structure, optional remote alarm function.