Datasheet
A-253E3S-A
E3S-A
E3S-AT66, E3S-AT86
(Receiver)
Spacer (attachment) 
(Attach the spacer or 
the plug cannot be 
connected.)
Lens (7 x 7)
Optical axis
Connector M12
Use these two 
holes for mounting.
Four 
mounting 
holes
Stability indicator 
(green)
Light indicator (red)
Sensitivity adjustor 
(white)
Two, M3 x 12 screws
14.9
12
16.5
19.4
10.7
7.2
13.5 8.3
40
(10)
3.1
3.6
41.7
20
7.2
21
3.6
7
1.2
10.7
29.2
1.3
10.5
20+0.2
A (see note)
20
Two, M3 holes
Mounting Holes
Light-ON
Dark-ON
Mode Selector (black)
A (see note)
E3S-AT66, E3S-AT86
(Emitter)
20
Two, M3 holes
Mounting Holes
Light-ON
Dark-ON
Mode Selector (black)
A (see note)
Lens (7 x 7) Optical axis
Four mounting 
holes
Light indicator (red)
Use these two holes 
for mounting.
8.5
(10)
40
13.5
14.9
16.5
12
19.4
10.7
7.2
3.1
3.6
20
7.2
41.7
29.2
21
10.7
1.2
1.3
10.5
20+0.2
Connector M12
Spacer (attachment) (Attach 
the spacer or the plug cannot 
be connected.)
Two, M3 x 12
8.3
A (see note)
Note: The mounting bracket can be attached to side A.
Note: The mounting bracket can be attached to side A.










