D means that the product is rated in its category in terms of energy efficiency. The Energy Labeling system is based on EU Regulation 2017/1369/EU. D Bosch Serie 4 WAN280H2, Frontlader, 7 kg, B, 74 dB, 1400 RPM, D Bosch Serie 4 WAN280H2. Ladetyp: Frontlader. Nennkapazität: 7 kg, Schleuder-Klasse: B, Luftschallemission (Schleudern): 74 dB, Maximale Schleuderdrehzahl: 1400 RPM. Produktfarbe: Weiß. Breite: 598 mm, Tiefe: 550 mm, Höhe: 848 mm. Energieeffizienzklasse: D