|
|
Table 9 沒有你講的注释3. 4 . 6条啊?/ ^) s8 F! q. Y# g8 i; Y) _
請確認你的問題9 w4 r' g- t) j) {2 c: C7 u% l
9 ?% b* s) x( |) f0 e5 m
Table 9 – Additional CLEARANCES for insulation in circuits CONDUCTIVELY CONNECTED TO THE MAINS
' ~7 \% r; K& o+ {peak OPERATING VOLTAGES exceeding the peak value of the nominal a.c. MAINS voltage and between0 N/ T0 J, T" Z) q
such circuits and circuits not CONDUCTIVELY CONNECTED TO THE MAINS5 g! L; e) E9 p/ }
2 a8 _; ^; B6 a* q& E) Q
NOTE 1 The values in parentheses shall be used when the values in parentheses in table 8 are used in accordance with
, M% @/ Q- G' b7 \3 {% n+ enote 2 of table 8.6 m$ C7 P* v8 a/ z3 l J
NOTE 2 For OPERATING VOLTAGES above those shown in the table, linear extrapolation is allowed up to and including 2 000 V.! M2 M2 D" R" l2 H$ F8 O# {1 b2 p
For higher voltages reference should be made to IEC 60664-1.( T6 ?+ @$ b; [) |% P
NOTE 3 Linear interpolation between the nearest two points is permitted, the calculated spacing being rounded up to the next( L `' F/ c- M o6 B
higher 0,1 mm increment.! D- E1 t3 F, U u, @7 f- j' ^
NOTE 4 For explanation of the pollution degrees, see 13.1. |
|
/2 
|关于安规|小黑屋|安规QQ群|Archiver|手机版|安规网
( 粤ICP13023453-10 ) 
窥视卡
雷达卡
发表于 2011-9-2 17:49
收藏
分享
好帖
鸡蛋
提升卡
置顶卡
沉默卡
喧嚣卡
变色卡
抢沙发
千斤顶
显身卡
楼主