Delta Compact Drive MS300 IP66/NEMA 4X Series User Manual page 27

3-2 Airflow Rate for Cooling and Power Dissipation
Frame
Model No.
VFD1A5MS43MFSAA
VFD1A5MS43MNSAA
VFD2A7MS43MFSAA
VFD2A7MS43MNSAA
VFD2A8MS21MFSAA
VFD2A8MS21MNSAA
VFD2A8MS23MNSAA
A
VFD4A2MS43MFSAA
VFD4A2MS43MNSAA
VFD4A8MS21MFSAA
VFD4A8MS21MNSAA
VFD4A8MS23MNSAA
VFD5A5MS43MNSAA
VFD7A5MS21MNSAA
VFD7A5MS23MNSAA
VFD5A5MS43MFSAA
VFD7A5MS21MFSAA
VFD9A0MS43MFSAA
VFD9A0MS43MNSAA
B
VFD11AMS21MFSAA
VFD11AMS21MNSAA
VFD11AMS23MNSAA
VFD17AMS23MNSAA
VFD13AMS43MFSAA
VFD13AMS43MNSAA
C
VFD17AMS43MFSAA
VFD17AMS43MNSAA
VFD25AMS23MNSAA
Airflow Rate for Cooling
Flow Rate
(Unit: cfm)
0.0
27.3
33.5
Chapter 3 InstallationMS300 (IP66 / NEMA 4X)
Flow Rate Loss External
(Unit: m / hr) (Heat sink, unit: W)
3
17.6
30.5
16.3
16.5
0.0
45.9
29.1
31.0
60.6
46.5
50.1
60.6
46.5
93.1
46.4
70.0
76.0
108.2
132.8
56.6
164.7
192.8
3-3
Power Dissipation
Internal Total
(Unit: W) (Unit: W)
11.1
17.8
14.5
12.6
21.7
20.1
13.2
22.8
31
24.2
22.8
31.0
42.0 135.1
35.0 105.0
30.7 106.7
40.1 148.3
39.5 172.3
55.8 220.5
53.3 246.1
28.7
48.3
30.8
29.1
67.6
49.2
44.2
83.4
77.5
74.3
83.4
77.5