Datasheet
34
Reflectors for retro-reflective photoelectric sensors
E39-R
Accessories
Shape Type
Housing 
material
Features Size in mm Applicable Sensor Order code
General 
purpose 
reflectors
ABS base
Acrylic 
surface
Surface screw mount-
ing (diagonal holes)
40x60x7.5
Retro-reflective photoelec-
tric sensors – without 
M.S.R
Retro-reflective photoelec-
tric sensors – with 
M.S.R.
*1
E39-R1S
Surface screw mount-
ing (holes on one side 
only)
35.4x42.3x8 E39-R9
51.4x60.3x8.5 E39-R42
Small size
Side screw mounting 
or surface selfadhe-
sive
41.8x22.5x11 E39-R3
Surface screw 
mounting
23x13.7x4.9 E39-R4
Large size
100x100x9 E39-R8
84.5x84.5x8.7 E39-R40
*1
Mirror Surface Rejection (MSR) is realized by using polarization filters










