ISO 12759-3:2019

Fans - Efficiency classification for fans - Part 3: Fans without drives at maximum operating speed

This document establishes a system for the classification of fan efficiency for all fan types which have a nominal fan shaft power rating of 0,125 kW and above. This document is applicable to fans only. It does not apply to drives or the system in which fans are installed. This document can be used by legislators or regulatory bodies for defining future energy saving targets.

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