DC 4.8-30V 500mA NPN NC 3-wire 4mm Inductive Proximity Sensor Switch SN04-N Product Name : Inductive Proximity Switch;Model : SN04-N;Theory : Inductive Type Sensor;Wire Type : DC 3 Wire Type (Brown, Black, Blue) Output Type : NPN, NC;Detecting Distance : 4mm(+/-10%) ;Switch Appearance Type : Angular Column Type Voltage : DC 4.8-30V ;Current Output : 500mA;Detect Object : Iron Size : 34 x 18 x 18mm/1.3" x 0.7" x 0.7"(L*W*H);Cable Length : 1.58M/62.2";External Material : ABS Plastic Net Weight : 60g;Color : Blue, Black;Package Content : 1 x Inductive Proximity Switch