AC centrifugal fan
backward curved, single inlet
R2E280-AE52-05
Technical features
Mass 3.5 kg
Size 280 mm
Surface of rotor Coated in black
Material of electronics housing Rotor: Coated in black
Material of impeller Sheet steel, coated in black
Number of blades 11
Direction of rotation Clockwise, seen on rotor
Type of protection IP 44; Depending on installation and position as per EN 60034-5
Insulation class "F"
Humidity class F1-2
Max. permissible ambient motor
temp. (transp./ storage)
+ 80 °C
Min. permissible ambient motor
temp. (transp./storage)
- 40 °C
Mounting position Shaft horizontal or rotor on bottom; rotor on top on request
Condensate discharge holes Rotor-side
Operation mode S1
Motor bearing Ball bearing
Touch current acc. IEC 60990
(measuring network Fig. 4, TN
system)
< 0.75 mA
Motor protection Thermal overload protector (TOP) wired internally
Cable exit Variable
Protection class I (if protective earth is connected by customer)
Approval CCC; GOST
Item no. 10947-5-9980 · Revision 79566 · Release 2013-06-06 · Page 2 / 4
ebm-papst Mulfingen GmbH & Co. KG · Bachmühle 2 · D-74673 Mulfingen · Phone +49 (0) 7938 81-0 · Fax +49 (0) 7938 81-110 · info1@de.ebmpapst.com · www.ebmpapst.com
