The device of protection against retension in three-phase UZP-M1 power supply networks

The 3 - phase electronic device of protection against the static (established) retension in the 3 - phase power supply network at least on one phase. The device provides protection of household devices, electronic household appliances against failure and ignition at a long retension in the power supply network (increase of tension in a network has more than admissible value for the period of more than 0,04 c). Provides also protection against overloads on current and overcurrents in loading chains on both poles.