题目内容
(请给出正确答案)
[单选题]
电能表的安装高度、三相电能表的最小间距及单相电能表的最小间距分别为()。
A.1.8m以下,80mm,30mm
B. 0.6~1.8m,60mm,30mm
C. 0.8~1.8m,80mm,30mm
D. 0.6~1.8m,80mm,30mm
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A.1.8m以下,80mm,30mm
B. 0.6~1.8m,60mm,30mm
C. 0.8~1.8m,80mm,30mm
D. 0.6~1.8m,80mm,30mm
A.900mm-1800mm
B.800mm-1700mm
C.800mm-1800mm
D.900mm-1700mm
A.1.5(6)A三相四线有功电能表及50/5电流互感器
B.10(40)A三相四线有功电能表
C.5(20)A三相有功电能表
D.10(40)A单相有功电能表
A.1
B.1.73
C.0.577
D.-1