Centrifugal Inline Fans
4
®
Mounting: SQ-M /BSQ-M
All SQ-M and BSQ-M fan models can be mounted horizontally or vertically. For ease of installation, knockouts
are provided at each location where mounting brackets are shown in Figures 3, 4 and 5. Optional brackets are
universally adjustable to mount in any of these locations.
With either a hanging or base
mount the motor may be
located on either side. The base
mount allows top access panels
only.
Figure 3
Horizontal Hanging or Base Mount
A
A
C
C
With a hanging mount, the
motor may be located on either
top or bottom. The base mount
allows top motor location only.
Both options provide access
panels on two sides.
Figure 4
Horizontal Hanging or Base Mount
A
A
B
B
G
Hanging rails
by others
Mounting brackets are turned
90° for vertical mounting.
Access panels are located on
the two sides adjacent to the
motor.
Figure 5
Vertical Hanging or Base Mount
G
B
B
D
D
Hanging rails
by others
Mounting Dimensional Data
Model
A
B
C
D
G
SQ-M 70
270
(10
5
⁄
8
)
432
(17)
400
(15¾)
225
(8
7
⁄
8
)
Hanging rails not
included.
Supplied by others.
SQ-M 80-90
337
(13¼)
508
(20)
476
(18¾)
302
(11
7
⁄
8
)
BSQ-M 70-90
473
(18
5
⁄
8
)
511
(20
1
⁄
8
)
476
(18¾)
302
(11
7
⁄
8
)
SQ-M/BSQ-M 100
473
(18
5
⁄
8
)
562
(22
1
⁄
8
)
527
(20¾)
352
(13
7
⁄
8
)
SQ-M/BSQ-M 120
473
(18
5
⁄
8
)
610
(24)
578
(22¾)
406
(16)
SQ-M/BSQ-M 130
473
(18
5
⁄
8
)
664
(26
1
⁄
8
)
629
(24¾)
454
(17
7
⁄
8
)
SQ-M/BSQ-M 140
498
(19
5
⁄
8
)
714
(28
1
⁄
8
)
679
(26¾)
505
(19
7
⁄
8
)
SQ-M/BSQ-M 160
597
(23
1
⁄
2
)
787
(31)
756
(29
3
⁄
4
)
581
(22
7
⁄
8
)
Hanging rails not
included.
Supplied by others.
BSQ-M 180
648
(25
1
⁄
2
)
851
(33
1
⁄
2
)
751
(29
9
⁄
16
)
578
(22
3
⁄
4
)
BSQ-M 200
740
(29
1
⁄
8
)
940
(37)
857
(33
3
⁄
4
)
679
(26
3
⁄
4
)
BSQ-M 240
803
(31
5
⁄
8
)
1124
(44¼)
1035
(40
3
⁄
4
)
860
(33
7
⁄
8
)
BSQ-M 300
889
(35)
1295
(51)
1213
(47
3
⁄
4
)
1038
(40
7
⁄
8
)
BSQ-M 360
974
(38
3
⁄
4
)
1454
(57¼)
1359
(53
1
⁄
2
)
1187
(46
3
⁄
4
)
BSQ-M 420
1197
(47
1
⁄
8
)
1600
(63)
1521
(59
7
⁄
8
)
1521
(59
7
⁄
8
)
All dimensions in millimeters
(inches)
.