Further information for Pepperl + Fuchs PF Light button reflection 088827 - RLK39-8-2000/31/40a/116
Sensing range: 0 ... 2000 mm, light transmitter: IRED, light type: infrared, alternating light, signal output: 1 relay output, switching type: light/dark switching, connection: terminal compartment PG9, wire cross-section = 2.5 mm2, operating voltage: 12 ... 240 V DC 24 ... 240 V AC (50 ... 60 Hz), ambient temperature: -25 ... 55 °C (-13 ... 131 °F)