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3、“B”脱扣断路器 B脱扣时间延时上级C65HC 型曲线下级In(A)123461016202532405063C65H选择性极限(A)1523304575120 150 188 240 300 375 473C 型曲线12346101620253240506323.5.24 BTT Marketing2423.5.24 BTT Marketing25下级断路器 B C65N-3P400 V-6 kA短路上级断路器 A NC100LS-3P400 V-36 kA36 kA36 kA23.5.24 BTT Marketing26DPNC65N上级断路器上级断路器:额定分断能力额定分断能力kA rms100705020下级断路器下级断路器:分断能力通过级联而分断能力通过级联而“加强加强”A rms100705020下级上级DPNC32NC65NC65HNC100HDPNC65NC65HNC100HNC100LSNC100LNC100H