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EXAMPLE The dimensions of the symbol for class II construction shall be such that the
! b5 E+ [8 ?; K5 U0 qlength of the sides of the outer square is about twice the length of the sides of the inner
& X- g& ?7 j3 D, g# r" Z5 vsquare. The length of the sides of the outer square shall be not less than 5 mm, unless the: x: Z6 @3 l' h1 u3 y
largest dimension of the controlgear does not exceed 15 cm, in which case the dimension of6 X; a/ s" N( r; F
the symbol may be reduced, but the length of the sides of the outer square shall be not less G1 z4 u) G E, T
than 3 mm.. B$ m4 J1 t* m, D" U0 Z& c$ _! \
see:IEC 61347-2-13-2006-P21 or GB 19510.14-2009-P14 |
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