The ebm-papst axial fans are based on the energy-saving motor (ESM) and offer will offer you considerable energy savings and improved service life. The fans incorporate a new plastic rotor which is aerodynamically efficient and quiet. They are robust, fully maintenance-free and durable. The expected service life is rated at more than 40,000 hours, equalling continuous operation for more than 5 years. Counter-clockwise rotation Continuous operation Supply Voltage 24 V dc Dimensions 320 x 280 x 80mm Height 320mm AC or DC Operation DC Width 280mm Power Consumption 105W Maximum Current 5A Depth 80mm Air Flow 1920m³/h Fan Speed 2750rpm Bearing Type Ball