Table 13: The minimum clearances around the AC drive
Minimum clearance [mm]
Minimum clearance [in]
Frame
A *
B *
C
D
A *
B *
C
D
MR4
20
20
100
50
0.8
0.8
3.9
2.0
MR5
20
20
120
60
0.8
0.8
4.7
2.4
MR6
20
20
160
80
0.8
0.8
6.3
3.1
MR7
20
20
250
100
0.8
0.8
9.8
3.9
MR8
20
20
300
150
0.8
0.8
11.8
5.9
MR9
20
20
350
200
0.8
0.8
13.8
7.9
* = For a drive with IP54 / UL Type 12, the minimum clearances A and B are 0 mm / 0 in.
Table 14: The necessary quantity of cooling air
Frame
The quantity of cooling
air [m
3
/h]
The quantity of cooling
air [CFM]
MR4
45
26.5
MR5
75
44.1
MR6
190
111.8
MR7
185
108.9
MR8
335
197.2
MR9
621
365.5
MOUNTING
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