KBZ-400(200)/1140(660)
This mine explosion-proof type vacuum feeder switch is mainly used as main switch or branch switch in AC 50Hz power distribution system of indirect neutral-point earthing with voltage of 1140V or 660V and current of 400A or 200A
BP J-400(250, 110)/1140(660)
BPJ-400(250,110)/1140(660) mine flame-proof and intrinsically safe AC frequency converter is used in underground mines with explosive gas (methane) and coal dust. Main spare parts such as IGB T, filter capacitor, control core adopt imported brands to ensure reliable longtime operation. This series adopt vector control technique with perfect motor protection and good
KBZ-400(200)
This mine explosion-proof type vacuum feeder switch is mainly used as main switch or branch switch in AC 50Hz power distribution system of indirect neutral-point earthing with voltage of 1140V or 660V and current of 400A or 200A in underground coal mines with
KBZ9-400(200)/1140(660)
This mine explosion-proof type vacuum feeder switch is mainly used as main switch or branch switch in AC 50Hz power distribution system of indirect neutral-point earthing with voltage of 1140V or 660V and current of 400A or 200A
ZBZ-10.0(8.0,4.0,2.5)/1140(660,380)M
This mine explosion-proof type integrated protective device is applicable in underground coal mines with explosive and dangerous gas(methane)and coal dust, and it is used as power control for illumination and signal load.
QBZ-120/660(380)(II)
This series mine explosion-proof type vacuum electromagnetic starter is applicable in AC 50Hz distribution system of three-phase indirect neutral-point earthing with rated voltage of 1140V ,660V or 380V in underground coal mines with explosive and dangerous
