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DIN EN ISO 13857:2008
Safety of machinery - Safety distances to prevent hazard zones being reached by upper and lower limbs (ISO 13857:2008); German version EN ISO 13857:2008
This International Standard establishes values for safety distances in both industrial and non-industrial environments to prevent machinery hazard zones being reached. The safety distances are appropriate for protective structures. It also gives information about distances to impede free access by the lower limbs. It covers people of 14 years and older (the 5th percentile of persons of 14 year and olds is approximately 1400 mm). In addition, for upper limbs only, it provides information for children older than 3 years ( 5th percentile stature of 3 year olds is approximately 900 mm) where reaching through openings needs to be addressed. The safety distances covering lower limbs apply when access by the upper limbs is nit foreseeable according to therisk assessment. The safety distances are intended to protect those persons trying to reach hazard zones under the conditions specified.
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Deutsches Institut für Normung [din]