The R1G175-AB41-02 is a 48VDC 7-blade Motorized Impeller/EC Centrifugal Fan with a ball bearing and fiberglass-reinforced plastic PA 6.6 impeller. This R1G175 series impeller comes with reverse polarity and locked-rotor protected motor, thick layer passivized rotor and the direction of rotation is clockwise seen on rotor. This backward curved single inlet impeller features S1 mode of operation and variable cable exit. Suitable to use with EC centrifugal fans.