RDD EC 500 A – Centrifugal roof fan – Horizontal discharge – Helios
Horizontal outlet EC roof fan with efficiency-optimised aluminium casing and newly developed high performance centrifugal impeller.
Housing made of sea water-resistant aluminium with integrated tamper protection. Motor support plate and base plate with inlet nozzle made of galvanised steel. Baseplate with threaded screws for attachment of inlet-side accessories (hole pattern according to DIN 24155).
High-performance centrifugal impeller with backward curved blades made of plastic. Dynamically balanced according to DIN ISO 21940-11 – quality grade 6.3.
Three phase current, 3~, 400 V, 50 Hz, EC motor, protection category IP54
PRODUCT PDF
MBW EC 280 - Helios - MegaBox EC-Centrifugal Fan
Compact SCP500/4-1AC - Elta - Plate Mounted Axial Flow Fan
TH-500/150 - TH-MIXVENT - Roof Mounted Mixed Flow Fan - Soler & Palau
SILENT-300 CZ-3C DESIGN - Utility Room and Kitchen Extract Fan - Soler & Palau 

