54 Mechanical installation
b
a
b
IP21, UL Type 1
IP55, UL Type 12
2
R3
mm
in
474
18.66
160
6.30
R3
kg
lb
21.3
47
23.3
52
4
3
R6
mm
in
753
29.64
212.5
8.37
R6
kg
lb
61.0
135
63
139
R3: M5 (#10)
R6: M8 (5/16 )
R8: M8 (5/16 )
R8
mm
in
945
37.20
262.5
10.33
R8
kg
lb
118
260
124
273