I-GN30-12 I-rotary yangaphakathi yangaphakathi yamandla ombane ekwahlulahlula i-swithc luhlobo olutsha lokutshintsha okukodwa kunye nemela yokudibanisa ejikelezayo, eyona nto iphambili kukulungisa iiseti ezimbini zezithinteli kunye nabafowunelwa kwiinqwelomoya eziphezulu nezisezantsi zenqanaba lesithathu le-chassis eqhelekileyo kunye nokuqonda ukuvula kunye nokuvala iswitshi ngokujikelezisa imela yoqhagamshelwano.
I-Gn30-12D yangaphakathi ejikelezayo yangaphakathi yombane wokwahlula amandla iswitshi esekwe kwi-GN30-12 yangaphakathi ejikelezayo yangaphakathi yamandla ombane ekwahlulahlula i-swithc enokwanelisa iimfuno zeenkqubo zamandla ezahlukeneyo, le mveliso inoyilo olubambeneyo nendawo ehlala kuyo.Ukwazi ukugquma okuqinileyo kunye nofakelo olulula kunye nohlengahlengiso, ukusebenza kwayo kuhlangabezana neemfuno ze-GB1985-89 AC ukuphakama kombane wokuhlukanisa umbane kunye nokutshintsha komhlaba, ilungele iinkqubo zangaphakathi ezinombane olinganisiweyo ongaphantsi kwe-10kv AC50 Hz kwaye ingasetyenziselwa ukuvula nokuvala iisekethe phantsi. imeko yombane kwaye akukho mthwalo onokuthi usetyenziswe ngegiya yokutshintsha kwamandla ombane aphezulu okanye isetyenziswe yodwa.