Chosinthira ichi chodzipatula ndi choyenera kugwiritsidwa ntchito mu AC 50Hz, magetsi okwana 400V,
ndi mphamvu yamagetsi yotsika mpaka 100A. Ndi chizindikiro cha mankhwala odziwika bwino a
kusweka kwa mphamvu, kugwiritsa ntchito nthawi yayitali, komanso kugwiritsidwa ntchito pamagetsi omwe sagwira ntchito pafupipafupi pokweza.
Zikugwirizana ndi miyezo ya IEC60947-3, GBI4048,3etc.