Carlo Gavazzi CA12CLC08BPRT Proximity Sensors Capacitive Proximity Sensor, Flush and Non-flush mountable, Sensing Range 8mm, Adjustable 0,5-8mm, Power Supply 10-40VDC, PNP/NPN Output, N.O. or N.C., Cable PVC, Housing M12 x 78mm, Tripleshield, Improved EMC performances, IP68