I-Switchgear ye-GCS low-voltage ekhishwa ngokuphelele ekhishwa i-voltage (ngemuva kwalokhu ebizwa ngokuthi umshini) ithuthukiswa iqembu lokuklama elihlangene loMnyango Wezemishini wangaphambili kanye noMnyango Wezamandla Kagesi ngokwezidingo zeziphathimandla ezinekhono embonini, iningi labasebenzisi bamandla kanye amayunithi okuklama.Ihambisana nezimo zikazwelonke, inezinkomba eziphezulu zokusebenza kwezobuchwepheshe, futhi ingaba I-switchgear edonsa amandla aphansi ekwazi ukuhlangabezana nezidingo zokuthuthukiswa kwemakethe kagesi futhi ingaqhudelana nemikhiqizo ekhona evele kwamanye amazwe.Lo mshini waphasisa ukulinganisa owawusingathwe ngokuhlanganyela iminyango emibili e-Shanghai ngoJulayi 1996, futhi waziswa futhi waqinisekiswa uphiko lwezokukhiqiza kanye nomnyango wabasebenzisi bamandla.
Idivayisi ifanele izinhlelo zokusabalalisa amandla ezimbonini zikagesi, i-petroleum, amakhemikhali, i-metallurgy, indwangu, izakhiwo eziphakeme kanye nezinye izimboni.Ezimbonini ezinkulu zikagesi, amasistimu e-petrochemical nezinye izindawo ezinezinga eliphezulu lokuzenzakalela, izindawo ezidinga ukuxhumana nekhompyutha zisetshenziswa njengezigaba ezintathu ze-AC 50 (60) Hz, i-voltage yokusebenza elinganiselwe engu-380V, ikalwe manje engu-4000A nangaphansi ukusatshalaliswa kwamandla kanye nezinhlelo zokuphakelwa kwamandla okusabalalisa amandla kanye nokugxilwa kwemoto Idivayisi yokusabalalisa amandla aphansi Amandla aphansi asetshenziselwa ukulawula kanye nesinxephezelo samandla asebenzayo.