RoHS Compliant
Orion Fans
Information and data is subject to
change without prior notification.
Knight Electronics, Inc.
10557 Metric Drive
Dallas, Texas 75243
214-340-0265
OD1238 Series
DC Fan - 12, 24, 48V
120x38mm (4.7”x 1.5”)
Frame & Impeller
PBT, UL94V-0 plastic
Available Options
Tachometer
Alarm
PWM
Thermal control
IP55
Sleeve Bearing
Life Expectancy (L10)
65,000 hours (45C)
Weight: ~0.72 lbs
m1
Connection
2x Lead wires 24AWG
Motor
Brushless DC, auto restart,
polarity and IC protected
Bearing System
Dual ball bearing
Insulation Resistance
10M ohm between leadwire
and frame (500VDC)
Dielectric Strength
1 minute at 500 VAC, max
leakage < 500 MicroAmp
Temperature Range
-10C ~ 70C
Storage Temperature
-40C ~ +80C
Model Number
Speed
(RPM)
Airflow
(CFM)
Noise (dB) Volts DC
Input Power
(Watts)
Amps
Max. Static
Pressure
(“
H
2
O)
OD1238-12HB 2800 105 43 12 6 0.50 0.24
OD1238-12MB 2540 95 41 12 4 0.35 0.23
OD1238-12LB 1950 73 33 12 3 0.24 0.13
OD1238-12LLB 1500 53 27 12 2 0.16 0.09
OD1238-24HB 2800 105 43 24 7 0.32 0.24
OD1238-24MB 2540 95 41 24 6 0.23 0.23
OD1238-24LB 1950 73 33 24 4 0.14 0.13
OD1238-48HB 2800 105 43 48 10 0.20 0.24
OD1238-48MB 2540 95 41 48 7 0.14 0.23
OD1238-48LB 1950 73 33 48 5 0.10 0.13
OD1238-48LLB 1500 53 27 48 4 0.08 0.09
* Indicate “B” to specify Ball bearing or “S” to specify Sleeve bearing
5
