Air moving solutions made simple
PRODUCT CATALOG
CONTACT COMAIR
DISTRIBUTORS
PRODUCT CATALOG
CALCULATORS
KNOWLEDGE BASE
Fan Tutorials
introduction: Forced Convection Cooling
Establishing Cooling Requirements: Air Flow vs Pressure
Brushless DC Fans
Solving High Altitude Cooling Problems
EMI, EMC, and UMF in DC Fans
Fan Noise
Important Factors to Consider When Comparing Acoustical Data
Acoustic Noise: Causes, Rating Systems, and Design Guidelines
Cooling Fan Noise - Sleeve Bearing vs Ball Bearing
Stall of Axial Flow Fans
SOLUTIONS
Fan Reliability
Life and Reliability
Electrostatic Discharge (ESD)
Enviro-Shield - Three Levels of Environmental Protection
Fan Controls and Monitoring
Methods of Monitoring Fan Performance
An Answer to the Clogged Filter Syndrome
Different Methods to Control Fan Speed
Fault - Tolerant Fan (FTF) Systems; Now Easily Accomplished
Multiple ThermaPro-V Fans Controlled by a Single Sensor
Fan Case Studies
Baseboard Heating Usage
CONTACT COMAIR
DISTRIBUTORS
Choose the category
you need
Axial DC
Axial AC
Mixflow
CREC
Impeller DC
Impeller AC
Blower
Choose the series
you need
CRKU133A
CRKU133B
CRKU190A
CRKU220A
DD4021
DD6921
DD6927
DD8928
DD8939
DDE1149
DD4021
Model
Number
Part
Number
Termination
Normal
Voltage
VDC
Operating Voltage
VDC
Rated
Current
Amps
Rated
Input Power
Watts
Speed
RPM
Rated
Air Flow
CFM |
m
/hr
Rated
Air Pressure
inch -
H
O | Pascal
Noise
dB(A)
Compare
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DD402112B1R
19039820A
3 Leadwires
12
7 - 15
1.75
21.0
5000
100
169.9
1.52
379
59.0
DD402124B1R
19039821A
3 Leadwires
24
12 - 32
0.92
22.1
5000
100
169.9
1.52
379
59.0
DD402148B1R
19039822A
3 Leadwires
48
24 - 72
0.38
18.2
5000
100
169.9
1.52
379
59.0
DD402112K1R
19039823A
3 Leadwires
12
7 - 15
2.75
33.0
5900
116
197.1
1.73
430
67.0
DD402124K1R
19039824A
3 Leadwires
24
12 - 32
1.33
31.9
5900
116
197.1
1.73
430
67.0
DD402148K1R
19039825A
3 Leadwires
48
24 - 72
0.72
34.6
5900
116
197.1
1.73
430
67.0
Designed with optional feature
Speed control:Linear voltage,PWM,Thermal sensor
Feedback:Tach,FPS
Environmental Protection:E2(IP55) E3(IP68)
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MECHANICAL DRAWING
PQ CURVE