133
F3SJ-A
User’s Manual
Chapter4 Dimensions
Wiring/Installation
E
Dimensions B, C, and F
Dimension F
*1. Use F = 350 or less when none of the F values shown above are used.
When only F39-LJ3 free-location mounting brackets are used without standard brackets, allow a space
of at least 350mm between the brackets. The number of brackets required varies according to the
protective height. For details about the number of required brackets, refer to the table below.
The intermediate mounting brackets shipped with the product are the same as the F39-LJ3 free-
location mounting brackets. Purchase brackets as necessary if there are fewer intermediate mounting
brackets than required. When intermediate mounting brackets are included, they can be used as free-
location mounting brackets.
Required number of F39-LJ3 free-location mounting brackets (2 pieces are included with F39-LJ3) for
1 F3SJ set (emitter/receiver)
BC - 90
C 4-digit number of the model name (protective height)
F Depends on the protective height. See the table
below.
Protective height
Number of intermediate
mounting brackets
F*1
245 to 440 2 -
443 to 785 3 B/2
794 to 1140 4 B/3
1145 to 1490 5 B/4
1495 to 1840 6 B/5
1845 to 2180 7 B/6
2195 to 2500 8 B/7
Protective height
Number of free-location
mounting brackets included
as
intermediate mounting
brackets
Number of free-location
mounting brackets required
for mounting F3SJ
Number of additional free-
location mounting bracket
sets (number of brackets) that
need to be purchased
245 to 440 0 4 2 sets (4)
443 to 596 0 6 3 sets (6)
600 to 785 2 6 2 sets (4)
794 to 1130 2 8 3 sets (6)
1136 to 1140 4 8 2 sets (4)
1145 to 1490 4 10 3 sets (6)
1495 to 1658 4 12 4 sets (8)
1660 to 1840 6 12 3 sets (6)
1845 to 2180 6 14 4 sets (8)
2195 to 2500 8 16 4 sets (8)
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