KJZ-630(500)/1140(660)
Mine Explosion-proof Vacuum Feeder Switch (intrinsically safe type)
Label:
KJZ-630(500)/1140(660) Mine Explosion-proof Vacuum Feeder Switch (intrinsically safe type)
KJZ-630(500)/1140(660) Mine Explosion-proof Vacuum Feeder Switch (intrinsically safe type)
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Product Details

1. Function

This mining explosion-proof type vacuum feeder switch is mainly used as low-voltage feederswitch for mobile substation(After the cover board is opened, it is oppositely connected withdry transformer) or main switch or branch switch in AC 50Hz power distribution system ofindirect neutral-point earthing with voltage of 1140V or 660V and current of 630A or 500Ain underground coal mines with explosive and dangerous gas(methane) and coal dust and itis also used for non-frequent start of big capacity motor.

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Technical Parameters

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