; M7 F) W9 e, @% \- W1 I没有搜索到啊,请明示,感激!作者: liuxilin1215 时间: 2013-11-7 23:17
EXAMPLE The dimensions of the symbol for class II construction shall be such that the 9 g# K6 w& G& O* k5 k+ Ulength of the sides of the outer square is about twice the length of the sides of the inner, y! [& F( n( @! h& B
square. The length of the sides of the outer square shall be not less than 5 mm, unless the 8 y, [8 U2 ?& ^ @( g4 k. Blargest dimension of the controlgear does not exceed 15 cm, in which case the dimension of2 d- O9 S7 w+ z# G+ ^
the symbol may be reduced, but the length of the sides of the outer square shall be not less : D6 h0 w) Q5 w5 ~than 3 mm., H; u. w! D0 X3 Q
see:IEC 61347-2-13-2006-P21 or GB 19510.14-2009-P14作者: wanjm8 时间: 2013-11-7 23:35
感谢5楼兄台,终于找到网络上5mm的出处了,但是这个不知道是否适用60335或4706的标准?作者: Lighting2000 时间: 2013-11-8 08:44
60745里面对回有大小要求,60335貌似没有看到有尺寸大小作者: liscsupor 时间: 2013-11-8 09:48