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
Caravel DC
CR1225 DC
CR1806 DC
CR2072 DC
CR2206 DC
CR2208 DC
CR2258 DC
CR2880 DC
CR4028 DC
CR6025 DC
CR8025 DC
CR9225 DC
Galaxy DC
Major DC
Maltese DC
Muffin DC
Muffin XL DC
Muffin XP DC
Patriot DC
Sprint DC
Sprite DC
Tarzan DC
Whisper XL DC
CR4028 DC
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
Select up
CR4028-LD12BPL
17002000A
2 Leadwires
12
10.8-13.2
0.06
0.72
6000
8.0
13.8
0.18
45
40
CR4028-MD12BPL
17002001A
2 Leadwires
12
10.8-13.2
0.10
1.20
8000
10.6
18.4
0.32
79
45
CR4028-HD12BPL
17002002A
2 Leadwires
12
10.8-13.2
0.15
1.80
10000
13.3
23.0
0.50
125
50
CR4028-XD12BPL
17002003A
2 Leadwires
12
10.8-13.2
0.23
2.76
12000
15.9
27.5
0.72
179
56
CR4028-LD24BPL
17002004A
2 Leadwires
24
21.6-26.4
0.06
1.44
6000
8.0
13.8
0.18
45
40
CR4028-MD24BPL
17002005A
2 Leadwires
24
21.6-26.4
0.08
1.92
8000
10.6
18.4
0.32
79
45
CR4028-HD24BPL
17002006A
2 Leadwires
24
21.6-26.4
0.11
2.64
10000
13.3
23.0
0.50
125
50
CR4028-UXD24BPL
17002007A
2 Leadwires
24
21.6-26.4
0.45
10.80
19000
25.2
42.8
1.80
448
66
Designed with optional feature tach,pwm
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MECHANICAL DRAWING
PQ CURVE