Supply Voltage: DC 6-36V; Current Output: 300mA Capacitance Proximity Sensor Switch NPN NO DC 6-36V 300mA 1-10mm LJC18A3-B-Z/BX COM42, R14 Fr 17,700 (Inc. Tax)Fr 15,000 (Ex. Tax) Capacitive proximity sensors are non-contact devices that can detect the presence or absence of virtually any object regardless of material It is a component widely used in automatic control industry for detecting, controlling, and noncontact switching. 6-36V DC Industrial Sensor LJC18A3-B-Z/AX Capacitive Capacitive Proximity Switch NPN NO Woljay LJC18A3-10-Z/BY Capacitive Proximity Sensor Switch 3 Wire DC 6 LJC18A3-10-Z/BX 10mm Detection Output Type: NPN NO (Normal Open) LJC18A3-B-J/DZ 1-10mm Sensor capacitivo NPN DC 6-36V 300mA It's widely used in machine, paper making, light industry for limiting station, orientation taking count, speeding trial ect. When proximity switch is close to some target object, it will send out control signal.