Fan, axial. 24VDC 0.10A. (12-30VDC 11-29CFM) 2.5 Watt, 11-29CFM. Fan : 2 Wire 62.2mm square x 26.0mm deep. 7 Plastic blade. Mounted on removable plastic frame (overall 4.674" long), with four holes underneath, 70.2mm (2.767") centers. Complete with finger guard. Weight: 5 oz. Note: Brushless electronic motor, polarity protected. There is a four pin connector on the fan (AMP 1-480702-0 with the red positive wire on position 1 and the blue negative wire on position 2 and an interlock jumper between positions 3 and 4). A mating connector is AMP 1-480702-1 with 350690-1 pin contacts. EBM Papst.