RP25 reflective photo-electric switch

Range 0.5…15m, depending on the type of reflector
Immune to external light sources
High degree of protection
Optional cable entry
Terminal compartment
Polarisation filter optical system
Test input
Operating voltage 10-40VDC or 24VAC ±25%
Protected against power supply polarity reversal
Relay output
Easy adjustment of the optical sensor dirt indicator
LED alignment indication

pdf Photo-electric scheme