mainly used for power supply movable PurposeExplosion-proof mobile substation for mine is used in mine to supply power.It is composed of dry transformer for mine and explosion-proof mobile substation and high vaccum switch for mine and explosion-proof mobile substation and low voltage protection box.It can convert power 6KV,10KV into power 400(380)V,693(660V),1200(1140V),3450(3300V) that mine ...