uxcell LJ12A3-4-Z/AX 3-Wire DC6-36V 300mA NPN NC 4mm Inductive Proximity Sensor Switch Product Name : Inductive Proximity Switch;Model : LJ12A3-4-Z/AX;Theory : Inductive Sensor;Wire Type : 3 Wire Type (Brown, Blue, Black) Switch Appearance Type : Cylinder Type, Metal Shell;Output Type : NPN NC;Detecting Distance : 4mm(+/-10%);Supply Voltage : DC 6-36V Output Current : 300mA;Detect Object : Iron;Column Sensor Diameter : 10.4mm/0.4";Thread Diameter : 12mm/0.5" Total Size : 66 x 21mm/ 2.6'' x 0.8'' (L*Max.D);Cable Length : 1.16m/35.7'';External Material : Plastic, Metal Net Weight : 43g;Color : Silver Tone, Orange,Gray;Package Content : 1 x Inductive Proximity Switch