... inductance proximity switch,SC is capacitive proximity switch. 2.Output:NPN or PNP,NO/NC selectable. 2011--SL/SC series Proximity Sensor( ... -making, light industry, etc..2, SL series is inductance proximity switch, mainly for inspection of metal objects. Round ... cable and interface, various dimensions available3, SC series is capacitive proximity switch,universal inspection for metal, plastic, glass, ...