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满足60335-2-80条款20.101的,叶片可以触摸到:: d( i/ D* |/ h% n3 M: z' l
20.101 Fan blades, other than those of fans for mounting at high level, shall be guarded unless their leading edges and tips are rounded with a radius of not less than 0,5 mm and. v8 d* ^5 E! D
– they have a hardness less than D 60 Shore, or
8 m% H4 @% d' v l) z– they have a peripheral speed less than 15 m/s when the fan is supplied at rated voltage, or1 q& `% U9 a, V7 ~3 T1 @
– the fan has a power output not exceeding 2 W when supplied at rated voltage.
4 [* B, T- K: G) U2 I: NCompliance is checked by inspection and by measurement. |
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