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发表于 2015-4-2 14:15
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king33025 发表于 2015-4-2 09:38 : z# C, @0 X( ~# w
IEC61032:1997图9所示13号试验探针,俗称试验销,你连贯的多读几遍就行了。 6 k" s. X3 t6 ]5 M' i
按60598-1的标准来看的话,Any assembly gap with a width greater than 0,3 mm in supplementary insulation shall not be coincidental with any such gap in basic insulation,nor shall any such gap in reinforced
3 n" ^$ W1 w0 i0 a5 cinsulation give straight access to live parts.# S* a# A! h2 ^% W) m* Y- c
Openings larger than 0,3 mm in double or in reinforced insulation shall be designed so that
3 ]0 D2 u3 }/ E7 i, Y' k4 r' slive parts cannot be touched with the conical pin of test probe 13 shown in Figure 9 of- ]8 r+ ~( D1 t+ A) }
IEC 61032.: w1 L3 Q' T7 s0 U( a/ O
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7 K0 e. G% e' ]1 ~8 N2 W; ~nor shall any such gap in reinforced insulation give straight access to live parts这句话的意思也是加强绝缘的开口或是缝隙不能直通带电部件啊。 |
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