QC815-60隔離換向開關
KBM-3/250礦用隔爆型主令開關
KBM-3/110礦用隔爆型主令開關
HG-315/1140交流低壓空氣式隔離換向開關
HG-315/1140隔離換向開關
GM3-250/1140隔離開關
GM2-400/1140采煤機負荷開關
GHK-400/1140隔離換向開關
GHK-315/1140隔離換向開關
GHK-200/1140低壓隔離換向開關
GHK-200/1140礦用隔離換向開關
GHK-80/1140V隔離換向開關
GHK8-120/1140隔離換向開關
DH2(7)-200/380(660)隔離換向開關
DH2-7-125/380(660)隔離換向開關
DH2-7-125N隔離換向開關
DH2-7-80/380(660)V隔離換向開關轉換開
DH2-7-60/380(660)V隔離換向開關 轉換開關
DH1-3-200A隔離換向開關
DH1-3-125A隔離換向開關