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EXAMPLE The dimensions of the symbol for class II construction shall be such that the
# z1 A! d A u* X. z& Z- Tlength of the sides of the outer square is about twice the length of the sides of the inner
9 ?1 J+ c4 a4 n* Zsquare. The length of the sides of the outer square shall be not less than 5 mm, unless the y! f; d Z/ X1 Y$ Y2 r
largest dimension of the controlgear does not exceed 15 cm, in which case the dimension of/ I- I. O- L0 y! k/ ~9 h4 ~9 b4 m
the symbol may be reduced, but the length of the sides of the outer square shall be not less
* T# ]9 l) ]8 W0 Fthan 3 mm.. b& _$ Q( A5 g$ B+ \
see:IEC 61347-2-13-2006-P21 or GB 19510.14-2009-P14 |
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