Ecodesign means the incorporation of environmental requirements into product design, with the aim of improving the environmental acceptability of the product throughout its entire life cycle. (directive 2009/125/EC)
ErP stands for "Energy-related Product“ which refers to an object whose use influences the consumption of energy in some way and which is brought onto the market and/or put into service“. (directive 2009/125/EC)
IE stands for International Efficiency.
Within the EU, a directive is a legal act which must be implemented by the member states in national law. How they implement the directives is left up to the individual member states.
Within the EU, a regulation is a legal act which, in contrast to an EU directive, is valid directly in all member states. This means that the regulation (EU) No. 327/2011 of the Commission from March 30, 2011 for the implementation of the directive 2009/125/EC of the European Parliament and of the Council, specifies minimum efficiency requirements for fans driven by motors with an electrical input power of between 125 W and 500 kW.