77282 2009_fan_cat sec 3:Layout 1 8/3/09 11:19 AM Page 49 OD1232 Series DC Fan - 12, 24, 48V 120x32mm (4.7”x 1.25”) Frame & Impeller PBT, UL94V-O plastic Motor Brushless DC, auto restart, impedance and polarity protected Connection Bearing System Insulation Resistance Dielectric Strength Storage Temperature Model Number OD1232-12H * OD1232-12M * OD1232-12L * OD1232-24H * OD1232-24M * OD1232-24L * OD1232-48H * OD1232-48M * OD1232-48L * 2x Lead wires Dual Ball or Sleeve 10M ohm between leadwire and frame (500VDC) 1 second at 500 VAC, max leakage - 500 MicroAmp -30C ~ +90C Available Options: Tachometer (FG) Alarm (RD) Thermal Speed Control (Thermistor) PWM Input (Manual Speed Control) Life Expectancy (L10) Ball Bearing 60,000 hours (L10 at 40C) Sleeve Bearing 30,000 hours (L10 at 40C) Operating Temperature Ball Bearing -20C ~ +80C Sleeve Bearing -10C ~ +50C Speed (RPM) Airflow (CFM) 3750 3300 2900 3750 3300 2900 3750 3300 2900 120 107 93 120 107 93 120 107 93 Noise (dB) Volts DC Voltage Range Amps Max. Static Pressure (“H2O) 51 48 44 51 48 44 51 48 44 12 12 12 24 24 24 48 48 48 6~13.8 6~13.8 6~13.8 12~27.8 12~27.8 12~27.8 24~55.2 24~55.2 24~55.2 0.60 0.50 0.32 0.45 0.28 0.22 0.18 0.15 0.13 0.42 0.33 0.27 0.42 0.33 0.27 0.42 0.33 0.27 * Indicate “B” to specify Ball bearing or “S” to specify Sleeve bearing Knight Electronics, Inc. 10557 Metric Drive Dallas, Texas 75243 214-340-0265 m4 Orion Fans RoHS Compliant 49 Information and data is subject to change without prior notification.