Product Introduction of Mining Explosion-proof Vacuum Feeder Switch
KBZ-250/1140II, KBZ-350/1140(660)II mining explosion-proof vacuum feeder switch is used in coal mines containing explosive gas(methane) and coal dust for three-phase isolated neutral power supply system with AC 50Hz, rated voltage 1140V, and rated current to 350A(250A). It can be used as master switch or sub switch in the power supply system, or as feeder switch of mining flameproof mobile substation, also can be used to control the infrequency starting large capacity motor.
Main Parameter of Mining Explosion-proof Vacuum Feeder Switch
Rated Voltage: 1140V (660V)
Rated Current: 400(200A)
Ultimate Breaking Capacity: 7.5KA
Rated Working System: Long-term
Operation: electric operation, sub-gate
Dimensions: 780mmx550mmx850mm
Weight: 310kg
Figure Photos of Mining Explosion-proof Vacuum Feeder Switch
