Mining Explosion-proof Vacuum Feeder Switch

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Mining Explosion-proof Vacuum Feeder Switch
Posting date : Oct 12, 2013
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11-
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Mining Explosion-proof Vacuum Feeder Switch Product Introduction 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 first or the end slip distribution, can be used as it low-fed by docking with the mobile substation. Main Parameter 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

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