Finger guards
Dimensions (unit: mm)
DC
AC
150 mm sq. type
Model no.
Surface treatment
Mass (g)
109-1051 Nickel-chrome plating (silver)
63
Inlet side, Outlet side
ø
150
Model no.
Surface treatment
Mass (g)
109-1052 Nickel-chrome plating (silver)
53
Outlet side
mm type
Model no.
Surface treatment
Mass (g)
109-1104 Nickel-chrome plating (silver)
31
109-1104H Cation electropainting (black)
Inlet side
+0.4
4.3
-0.2
5.5
-1
0
3.2
-1
0
ø
+2
136.2
-1
5.5
-1
4.3
-0.2
+0.4
0
ø
128.7
ø
190.9
.5
ø
190.9
ø
201
ø
1.6
Screws
4.3
±
0.2
4-12
197.7
±
0.5
ø
156
ø
2
6.8
(
ø
6
4-4.5
2.2
)
ø
9
7.6
ø
1.6
ø
1.6
ø
1.6
Mounting example
Axial fan
Hexagonal nuts
Finger guard
Plain washers
Spring washers
Inlet nozzle
Finger guard
Plain washers
Fan
Spring washers
Screws
Fan
Hexagonal nuts
Centrifugal fan
Chassis
ø
111.5
+0
-1
ø
1.6
ø
1.6
ø
1
ø
1
43
.
43
8
.8