{"product_id":"lj12a3-4-zby-inductive-proximity-sensor-pnp-no","title":"LJ12A3-4-Z\/BY Inductive Proximity Sensor - PNP NO, 4 mm","description":"\u003cdiv class=\"nznpd\"\u003e\n\u003cdiv class=\"nznpd__lead\"\u003e\u003cp class=\"nznpd__intro\"\u003eThe LJ12A3-4-Z\/BY is an M12 inductive proximity sensor for detecting metal without contact. Its PNP normally-open output switches on when a suitable metal target enters the nominal 4 mm sensing range. Use it for position sensing and end-stop detection with a compatible DC control input.\u003c\/p\u003e\u003c\/div\u003e\n\u003csection class=\"nznpd__block\"\u003e\u003ch3 class=\"nznpd__h\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv class=\"nznpd__specs\"\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eModel\u003c\/span\u003e\u003cstrong\u003eLJ12A3-4-Z\/BY\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eOutput\u003c\/span\u003e\u003cstrong\u003ePNP, normally open, three-wire\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eSupply\u003c\/span\u003e\u003cstrong\u003e6 to 36 V DC; nominal 12 to 24 V\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eNominal sensing distance\u003c\/span\u003e\u003cstrong\u003e4 mm ±10% with iron target\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eRecommended set distance\u003c\/span\u003e\u003cstrong\u003e0 to 3.6 mm\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eMaximum output current\u003c\/span\u003e\u003cstrong\u003e300 mA\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eResponse frequency\u003c\/span\u003e\u003cstrong\u003e500 Hz\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eMounting\u003c\/span\u003e\u003cstrong\u003eM12 threaded barrel, non-flush\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eBody length\u003c\/span\u003e\u003cstrong\u003e56.7 mm nominal, excluding cable relief\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eHousing \/ sensing face\u003c\/span\u003e\u003cstrong\u003eNickel-plated brass \/ ABS\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eEnclosure rating\u003c\/span\u003e\u003cstrong\u003eIP67; protect cable joints separately\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eTemperature\u003c\/span\u003e\u003cstrong\u003e-30 to +65 °C, no condensation or freezing\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003csection class=\"nznpd__block\"\u003e\u003ch3 class=\"nznpd__h\"\u003eDatasheets\u003c\/h3\u003e\n\u003cdiv class=\"nznpd__ds\"\u003e\u003ca class=\"nznpd__dsbar\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0664\/6127\/0112\/files\/LJ12A3-4-ZBY-Datasheet-v1.pdf\" target=\"_blank\" rel=\"noopener\" aria-label=\"Download the LJ12A3-4-Z\/BY datasheet (PDF)\"\u003e\u003cspan\u003eFull technical datasheet\u003c\/span\u003e\u003cspan class=\"nznpd__dsmeta\"\u003ePDF\u003c\/span\u003e\u003c\/a\u003e\u003c\/div\u003e\u003c\/section\u003e\n\u003csection class=\"nznpd__block\"\u003e\u003ch3 class=\"nznpd__h\"\u003eWhat's in the box\u003c\/h3\u003e\n\u003cdiv class=\"nznpd__included\"\u003e\n\u003cdiv class=\"nznpd__qty\"\u003e1×\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eLJ12A3-4-Z\/BY sensor with attached cable\u003c\/strong\u003e\u003cp\u003eIncludes two mounting nuts and two lock washers.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003csection class=\"nznpd__block\"\u003e\u003ch3 class=\"nznpd__h\"\u003eGreat for\u003c\/h3\u003e\n\u003cdiv class=\"nznpd__uses\"\u003e\n\u003cdiv class=\"nznpd__use\"\u003eMetal part detection\u003c\/div\u003e\n\u003cdiv class=\"nznpd__use\"\u003ePosition sensing on jigs\u003c\/div\u003e\n\u003cdiv class=\"nznpd__use\"\u003eCNC end stops with a compatible PNP input\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003csection class=\"nznpd__block\"\u003e\u003cdiv class=\"nznpd__qs\"\u003e\n\u003ch3\u003eWiring \u0026amp; getting started\u003c\/h3\u003e\n\u003col class=\"nznpd__steps\"\u003e\n\u003cli\u003e\u003cdiv\u003e\n\u003cstrong\u003eCheck the input and wiring\u003c\/strong\u003e\u003cp\u003eConfirm the diagram on the supplied sensor. Standard three-wire PNP wiring is brown to positive, blue to 0 V and black to the compatible input or load, with its return at 0 V.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cdiv\u003e\n\u003cstrong\u003eMount and power it\u003c\/strong\u003e\u003cp\u003eKeep the blue sensing face proud of surrounding metal. With power off, connect a regulated DC supply within the stated range. Apply power and bring an iron target within the set distance.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cdiv\u003e\n\u003cstrong\u003eCheck detection\u003c\/strong\u003e\u003cp\u003eThe input should activate near the target and release when it is removed. Allow for a shorter detection range with non-magnetic metals.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003cp class=\"nznpd__note\"\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e The PNP output can approach the sensor supply voltage. Use a suitable interface for 3.3 V or 5 V logic; do not connect the output directly to a microcontroller GPIO. Replacing an NPN sensor requires checking the controller input and wiring.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"LERCKO","offers":[{"title":"Default Title","offer_id":50519515234400,"sku":"SEN-LJ12A3-PNP-NO","price":5.99,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0664\/6127\/0112\/files\/lj12a3-4-zby-full-kit-hero.png?v=1790243199","url":"https:\/\/www.nznelectronics.co.nz\/products\/lj12a3-4-zby-inductive-proximity-sensor-pnp-no","provider":"NZN Electronics","version":"1.0","type":"link"}