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For the purposes of its contract with the Commission, CEN has defined three types of
' Y, t; Z- a: h3 h }7 tharmonized standard, A, B and C. This terminology is specific to the standards drafted
" U8 x4 N" e( Z6 m3 funder the machinery Directive. Classes A, B and C do not have the same meaning under
7 l! ]! I- c' J" G" y, c; H4 V; O6 _9 @other Directives, such as “construction products” (89/106/EEC as amended).35
) P% S- c+ S& O- R/ m& ~7 u4 S F-A standards deal with basic concepts concerning all machinery; standard EN 292 is an! e' h6 n+ x j! |# F) d$ F
example of this category;
, @+ b+ @) }! ?* e1 o- B1 standards deal with safety aspects concerning a range of machinery such as safety
7 _- H" o9 }5 D2 k5 c' gdistances, calculation methods for lifting equipment, etc.; examples of these are5 x9 b) c* x) X. I" X9 ]2 @
EN 294 on safety distances and EN 563 on temperatures of touchable surfaces;+ ^& m/ ]% p8 h8 ~) Q) n
- B2 standards deal with components or devices, such as safety devices, which are used
9 J, q+ ^( A7 M5 ~4 N- Lon a wide variety of machinery; EN 281, on the design of pedals, is an example;8 m" A1 D& d" B4 y
-C standards are “vertical” standards covering a single type of machinery. |
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