{"product_id":"lj12a3-4-z-by-inductive-proximity-sensor-switch-no-pnp","title":"LJ12A3-4-Z\/BY Inductive Proximity Sensor Switch NO PNP","description":"\u003cp\u003eThe LJ12A3-4-Z\/BY is a high-performance inductive proximity sensor designed for detecting metal objects without physical contact. With a 4 mm sensing distance, normally open PNP output, and wide voltage compatibility, this sensor is perfect for industrial automation, robotics, and DIY electronics projects.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSensing Distance: 4 mm\u003c\/li\u003e\n\u003cli\u003eOutput Type: PNP (sourcing)\u003c\/li\u003e\n\u003cli\u003eSwitch Logic: Normally Open (NO)\u003c\/li\u003e\n\u003cli\u003eOperating Voltage: DC 6–36 V\u003c\/li\u003e\n\u003cli\u003eBody Diameter: 12 mm\u003c\/li\u003e\n\u003cli\u003eReliable metal detection without contact\u003c\/li\u003e\n\u003cli\u003eCompact and durable design for industrial environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eVoltage Range: 6–36 V DC\u003c\/li\u003e\n\u003cli\u003eOutput Current: Max 200 mA\u003c\/li\u003e\n\u003cli\u003eSensing Distance: 4 mm\u003c\/li\u003e\n\u003cli\u003eDetection Method: Inductive (metal objects only)\u003c\/li\u003e\n\u003cli\u003eSwitching Frequency: Up to 2 kHz\u003c\/li\u003e\n\u003cli\u003eProtection: Reverse polarity, short-circuit resistant\u003c\/li\u003e\n\u003cli\u003eOperating Temperature: -25°C to 70°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePinout\u003c\/h2\u003e\n\u003ctable cellspacing=\"0\" cellpadding=\"6\" border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eWire Color\u003c\/th\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003cth\u003eDescription\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrown\u003c\/td\u003e\n\u003ctd\u003eVCC\u003c\/td\u003e\n\u003ctd\u003eConnect to positive supply voltage (DC 6–36 V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlue\u003c\/td\u003e\n\u003ctd\u003eGND\u003c\/td\u003e\n\u003ctd\u003eConnect to ground\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003ctd\u003eOutput\u003c\/td\u003e\n\u003ctd\u003ePNP output, goes high when metal is detected\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAutomation and robotics metal detection\u003c\/li\u003e\n\u003cli\u003ePosition sensing for mechanical systems\u003c\/li\u003e\n\u003cli\u003eIndustrial control systems\u003c\/li\u003e\n\u003cli\u003eDIY electronics and maker projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWiring Diagram\u003c\/h2\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0870\/0021\/9940\/files\/PNP-3-wire-setup.jpg?v=1775472906\" alt=\"Internal schematic and external wiring for a 3-wire PNP inductive proximity sensor\" style=\"margin-bottom: 0px; float: none;\"\u003e\u003c\/div\u003e","brand":"Zaitronics","offers":[{"title":"Default Title","offer_id":52779738759460,"sku":"Z0481","price":7.3,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0870\/0021\/9940\/files\/Sbc0e575c65304b6d90456bf3933c4db0y_jpg_960x960q75_jpg.avif?v=1775472766","url":"https:\/\/zaitronics.com.au\/products\/lj12a3-4-z-by-inductive-proximity-sensor-switch-no-pnp","provider":"Zaitronics","version":"1.0","type":"link"}