Indicator LED on the front, Protection against cross-talk with up to four devices, Solid-state relay, Construction type(S2): Cylindrical type, flat, Light source: IRED, Light type: modulated infrared light 950 nm, Operating voltage: 10 ... 30 V AC
10 ... 40 V DC, Output type: solid-state relay , NO contact, Switching type: light-on, Degree of protection: IP67 according to EN 60529
