The three-phase semiconductor optoelectronic AC solid state relay without «normally open» contacts with zero transient control are ntended for loads switching in AC circuits with frequency 50 Hz...
The three-phase semiconductor optoelectronic AC solid state relay without «normally open» contacts with zero transient control are ntended for loads switching in AC circuits with frequency 400 Hz..
The three-phase semiconductor optoelectronic AC solid state relay without «normally open» contacts with zero transient control are ntended for loads switching in AC circuits with frequency 50 Hz...
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