{"id":8115230900404,"title":"Proximity Sensor Inductive 4 mm, M12 Detection Distance Inductive Proximity Switch NPN NO Closer, 3D Printer LJ12A3-4-Z\/BY Sensing DC 6-36V for MCU, Pack of 2","handle":"proximity-sensor-inductive-4-mm-m12-detection-distance-inductive-proximity-switch-npn-no-closer-3d-printer-lj12a3-4-z-by-sensing-dc-6-36v-for-mcu-pack-of-2","description":"\u003ch3\u003eProximity Sensor Inductive 4 mm, M12 Detection Distance Inductive Proximity Switch NPN NO Closer, 3D Printer LJ12A3-4-Z\/BY Sensing DC 6-36V for MCU, Pack of 2\u003c\/h3\u003e\n\u003cp id=\"b\"\u003eThe working principle of an inductive sensor: It senses the change of the\nelectromagnetic field emitted from its tip. When the magnetic field approaches\na metal object, the amplitude of the magnetic field changes. This change is\nsensed by the internal circuit. Specifications: Model: LJ12A3-4-Z\/By. Output\ntype: NPN NO. Wire type: DC 3 wire type (black, brown, blue). Supply voltage:\nDC 6-36 V. Current output: 300 mA. Diameter of column sensor: 12 mm. Detecting\ndistance: 4 mm. Detect Object : Metal. Package includes: 2 x NPN NO 4mm\ninductive proximity switch 4 x M12 brackets\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eDetect: Detection distance: 4 mm. Detect object: Metal. The principle of operation of an inductive sensor: it detects the change in the electromagnetic field emanating from its tip. When the magnetic field approaches a metal object, the amplitude of the magnetic field changes. This change is detected by the internal circuit.\u003c\/li\u003e\n \u003cli\u003eArticle Name: Inductive Proximity Switch; Model: LJ12A3-4-Z\/BY; Output Type: NPN NO (normally open); Wire Type: DC 3 Wire Type (Black, Brown, Blue).\u003c\/li\u003e\n \u003cli\u003eApplication: Column sensor diameter: 12 mm. The induction proximity switch has a fast response speed and high sensitivity, which is very suitable for 3D printers.\u003c\/li\u003e\n \u003cli\u003eVoltage: DC 6-36V; Current Output: 300mA If you want the probe to work under DC 5V, DC 6-36V NPN sensors can also work under DC 5V.\u003c\/li\u003e\n \u003cli\u003ePackage includes: 2 pieces NPN NO 4 mm inductive proximity switch; 2 pieces I-bracket; 2 pieces L-bracket.\u003c\/li\u003e\n \u003c\/ul\u003e","published_at":"2026-09-02T11:34:19+10:00","created_at":"2026-09-01T23:28:03+10:00","vendor":"HAAMNING7","type":"Inductive Proximity Sensors","tags":["industrial_DE_Aug2026"],"price":11800,"price_min":11800,"price_max":11800,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":44374950609076,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"de-B0G5Y93JHG","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Proximity Sensor Inductive 4 mm, M12 Detection Distance Inductive Proximity Switch NPN NO Closer, 3D Printer LJ12A3-4-Z\/BY Sensing DC 6-36V for MCU, Pack of 2","public_title":null,"options":["Default Title"],"price":11800,"weight":50,"compare_at_price":null,"inventory_management":"shopify","barcode":"NR-HN-233","requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}],"images":["\/\/auspowers.com\/cdn\/shop\/files\/B0G5Y93JHG.jpg?v=1788269285","\/\/auspowers.com\/cdn\/shop\/files\/41m4t-a6YXL.jpg?v=1788269285","\/\/auspowers.com\/cdn\/shop\/files\/41ZOlXf0HPL.jpg?v=1788269286","\/\/auspowers.com\/cdn\/shop\/files\/51r2pFLxL6L.jpg?v=1788269285","\/\/auspowers.com\/cdn\/shop\/files\/41cA5zBIf8L.jpg?v=1788269285","\/\/auspowers.com\/cdn\/shop\/files\/41pF-s6x34L.jpg?v=1788269285","\/\/auspowers.com\/cdn\/shop\/files\/513YkMQ09CL.jpg?v=1788269285"],"featured_image":"\/\/auspowers.com\/cdn\/shop\/files\/B0G5Y93JHG.jpg?v=1788269285","options":["Title"],"media":[{"alt":null,"id":33272891277492,"position":1,"preview_image":{"aspect_ratio":1.0,"height":500,"width":500,"src":"\/\/auspowers.com\/cdn\/shop\/files\/B0G5Y93JHG.jpg?v=1788269285"},"aspect_ratio":1.0,"height":500,"media_type":"image","src":"\/\/auspowers.com\/cdn\/shop\/files\/B0G5Y93JHG.jpg?v=1788269285","width":500},{"alt":null,"id":33272891310260,"position":2,"preview_image":{"aspect_ratio":1.0,"height":500,"width":500,"src":"\/\/auspowers.com\/cdn\/shop\/files\/41m4t-a6YXL.jpg?v=1788269285"},"aspect_ratio":1.0,"height":500,"media_type":"image","src":"\/\/auspowers.com\/cdn\/shop\/files\/41m4t-a6YXL.jpg?v=1788269285","width":500},{"alt":null,"id":33272891343028,"position":3,"preview_image":{"aspect_ratio":1.0,"height":500,"width":500,"src":"\/\/auspowers.com\/cdn\/shop\/files\/41ZOlXf0HPL.jpg?v=1788269286"},"aspect_ratio":1.0,"height":500,"media_type":"image","src":"\/\/auspowers.com\/cdn\/shop\/files\/41ZOlXf0HPL.jpg?v=1788269286","width":500},{"alt":null,"id":33272891375796,"position":4,"preview_image":{"aspect_ratio":1.0,"height":500,"width":500,"src":"\/\/auspowers.com\/cdn\/shop\/files\/51r2pFLxL6L.jpg?v=1788269285"},"aspect_ratio":1.0,"height":500,"media_type":"image","src":"\/\/auspowers.com\/cdn\/shop\/files\/51r2pFLxL6L.jpg?v=1788269285","width":500},{"alt":null,"id":33272891408564,"position":5,"preview_image":{"aspect_ratio":1.0,"height":500,"width":500,"src":"\/\/auspowers.com\/cdn\/shop\/files\/41cA5zBIf8L.jpg?v=1788269285"},"aspect_ratio":1.0,"height":500,"media_type":"image","src":"\/\/auspowers.com\/cdn\/shop\/files\/41cA5zBIf8L.jpg?v=1788269285","width":500},{"alt":null,"id":33272891441332,"position":6,"preview_image":{"aspect_ratio":1.0,"height":500,"width":500,"src":"\/\/auspowers.com\/cdn\/shop\/files\/41pF-s6x34L.jpg?v=1788269285"},"aspect_ratio":1.0,"height":500,"media_type":"image","src":"\/\/auspowers.com\/cdn\/shop\/files\/41pF-s6x34L.jpg?v=1788269285","width":500},{"alt":null,"id":33272891474100,"position":7,"preview_image":{"aspect_ratio":1.0,"height":500,"width":500,"src":"\/\/auspowers.com\/cdn\/shop\/files\/513YkMQ09CL.jpg?v=1788269285"},"aspect_ratio":1.0,"height":500,"media_type":"image","src":"\/\/auspowers.com\/cdn\/shop\/files\/513YkMQ09CL.jpg?v=1788269285","width":500}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eProximity Sensor Inductive 4 mm, M12 Detection Distance Inductive Proximity Switch NPN NO Closer, 3D Printer LJ12A3-4-Z\/BY Sensing DC 6-36V for MCU, Pack of 2\u003c\/h3\u003e\n\u003cp id=\"b\"\u003eThe working principle of an inductive sensor: It senses the change of the\nelectromagnetic field emitted from its tip. When the magnetic field approaches\na metal object, the amplitude of the magnetic field changes. This change is\nsensed by the internal circuit. Specifications: Model: LJ12A3-4-Z\/By. Output\ntype: NPN NO. Wire type: DC 3 wire type (black, brown, blue). Supply voltage:\nDC 6-36 V. Current output: 300 mA. Diameter of column sensor: 12 mm. Detecting\ndistance: 4 mm. Detect Object : Metal. Package includes: 2 x NPN NO 4mm\ninductive proximity switch 4 x M12 brackets\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eDetect: Detection distance: 4 mm. Detect object: Metal. The principle of operation of an inductive sensor: it detects the change in the electromagnetic field emanating from its tip. When the magnetic field approaches a metal object, the amplitude of the magnetic field changes. This change is detected by the internal circuit.\u003c\/li\u003e\n \u003cli\u003eArticle Name: Inductive Proximity Switch; Model: LJ12A3-4-Z\/BY; Output Type: NPN NO (normally open); Wire Type: DC 3 Wire Type (Black, Brown, Blue).\u003c\/li\u003e\n \u003cli\u003eApplication: Column sensor diameter: 12 mm. The induction proximity switch has a fast response speed and high sensitivity, which is very suitable for 3D printers.\u003c\/li\u003e\n \u003cli\u003eVoltage: DC 6-36V; Current Output: 300mA If you want the probe to work under DC 5V, DC 6-36V NPN sensors can also work under DC 5V.\u003c\/li\u003e\n \u003cli\u003ePackage includes: 2 pieces NPN NO 4 mm inductive proximity switch; 2 pieces I-bracket; 2 pieces L-bracket.\u003c\/li\u003e\n \u003c\/ul\u003e"}