Generator through the 220 V power grid with the frequency of 50 Hz (phase, neutral and ground) and to prevent unauthorized data retrieval through TEMPEST channels.
LFS-10-1F
Power line filter is designed to protect radio electronics and computers from data leaks by pickup of information signals in single-phase power supply circuits with the voltage of 220 V, frequency of 50+0.5 Hz and maximum operating current of 10 A