size 180 x 171 x 81mm  
   
General Specifications
Frame and Impeller: Thermal Plastic,UL 94V-0
Lead Wires:UL Type 
(+):Red   (-):Black
Operation  Temperature:-10℃~70℃、
35%85%RH
Storage Temperature: -40℃~80℃、
35%85%RH
Motor Protection
Impedance protected
Reverse Polarity Protected
   
Model  Bearing System Rated Voltage Operation Voltage Rated Current Rated       Speed Air Flow Air pressure Noise    Level Available Features(optional) Weight
Part NO. B / S / F VDC VDC A RPM CFM mmH2O dBA Tachometer output Rotation Detector Thermal Control Pulse Width Modulation g
RBH1881B2 Ball 24 12.0~27.6 2.2 2000 136.8 63.8 63 1150
RBM1881B2 Ball 48 24.0~57.0 1.1 2000 136.8 63.8 63 1150