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For the purposes of its contract with the Commission, CEN has defined three types of
' f5 w; h. }7 U: C3 l/ Q0 j. bharmonized standard, A, B and C. This terminology is specific to the standards drafted" N: T* G; K4 y+ F4 u
under the machinery Directive. Classes A, B and C do not have the same meaning under
, i+ P6 }) F% a8 jother Directives, such as “construction products” (89/106/EEC as amended).35
: j2 V& A; M# u# S* g N-A standards deal with basic concepts concerning all machinery; standard EN 292 is an
( ^! a P% i# g1 e4 I% ~6 }example of this category;
( o! |& q* ~; _* g. O$ y, e- B1 standards deal with safety aspects concerning a range of machinery such as safety
6 c' N) F! S/ N8 D* L/ Udistances, calculation methods for lifting equipment, etc.; examples of these are
6 g7 T8 \: \# B% yEN 294 on safety distances and EN 563 on temperatures of touchable surfaces;
' |3 L, {0 q- Z5 T' N' [* n- B2 standards deal with components or devices, such as safety devices, which are used0 j o( c! `1 f2 h: W
on a wide variety of machinery; EN 281, on the design of pedals, is an example;
, S4 A0 Z6 b5 Z& R" L-C standards are “vertical” standards covering a single type of machinery. |
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