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高低压开关柜是一种电(dian)(dian)(dian)设(she)备(bei),外线先(xian)行进入柜内主控开(kai)关(guan)(guan)(guan),然后进入分控开(kai)关(guan)(guan)(guan),各分路按其需要(yao)设(she)置。如(ru)仪表、自控、电(dian)(dian)(dian)动机磁力(li)开(kai)关(guan)(guan)(guan),各样交流接触器等,有(you)的还(hai)设(she)高压室与(yu)低压室开(kai)关(guan)(guan)(guan)柜,设(she)有(you)高压母线,如(ru)发电(dian)(dian)(dian)厂等,有(you)的还(hai)设(she)有(you)为(wei)保主要(yao)设(she)备(bei)的低周减载。