OD1238 Series DC Fan - 12, 24, 48V 120x38mm (4.7”x 1.5”) Frame & Impeller PBT, UL94V-0 plastic Motor Brushless DC, auto restart, polarity and IC protected Insulation Resistance 10M ohm between leadwire and frame (500VDC) Connection Bearing System Dielectric Strength Temperature Range Storage Temperature Model Number OD1238-12HB OD1238-12MB OD1238-12LB OD1238-12LLB OD1238-24HB OD1238-24MB OD1238-24LB OD1238-48HB OD1238-48MB OD1238-48LB OD1238-48LLB 2x Lead wires 24AWG Dual ball bearing 1 minute at 500 VAC, max leakage < 500 MicroAmp Available Options Tachometer Alarm PWM Thermal control IP55 Sleeve Bearing Life Expectancy (L10) 65,000 hours (45C) Weight: ~0.72 lbs -20C ~ +75C -40C ~ +80C m1 Speed (RPM) Airflow (CFM) 2800 2540 1950 1500 2800 2540 1950 2800 2540 1950 1500 105 95 73 53 105 95 73 105 95 73 53 Noise (dB) * Indicate “B” to specify Ball bearing or “S” to specify Sleeve bearing Knight Electronics, Inc. 10557 Metric Drive Dallas, Texas 75243 214-340-0265 RoHS Compliant 43 41 33 27 43 41 33 43 41 33 27 Volts DC 12 12 12 12 24 24 24 48 48 48 48 Input Power (Watts) 6 4 3 2 7 6 4 10 7 5 4 Amps 0.50 0.35 0.24 0.16 0.32 0.23 0.14 0.20 0.14 0.10 0.08 Max. Static Pressure (“H2O) 0.24 0.23 0.13 0.09 0.24 0.23 0.13 0.24 0.23 0.13 0.09 Orion Fans 80 Information and data is subject to change without prior notification.