It is a component widely used in automatic control industry for detecting, controlling, and noncontact switching.<br> When proximity switch is to some object, it will send out control signal.<br> As it is capacitive type proximity switch, detecting object is not limited to only conductor, also liquid and even powder things, like plastic, water, glass, oil, etc.<br> It's widely used in machine, paper making, light industry for limiting station, orientation taking count, speeding trial .<br> Product Name : Capacitive Proximity Switch;<br> Model : LJC18A3-H-Z/BY;<br> Wire Type : DC 3 Wire Type (Brown, Black, Blue);<br> Switch Appearance Type : Cylinder Type<br> : Capacitance Sensor;<br> Output Type : NO(Normal Open);<br> Diameter of Head : 18mm;<br> Detecting Distance : 1-10mm<br> Detecting Object : Metal or Nonmetal Material;<br> Supply Voltage : DC 6-36V;<br> Current Output : 300mA;<br> Response Frequency : 100Hz<br> Operating Temperature : -25C to +65C (Non-freezing Condition);<br> Cable Length : 120cm/47";<br> External Material : Plastic, Alloy<br> Net Weight : 85g;<br> Color : Silver Tone, Yellow, Gray;<br> Package Content : 1 x Capacitive Proximity Switch<br> Note:Light and different displays may cause the color of the item in the picture a little different from the real thing.The measurement allowed error is +/-1-3 cm.