{"product_id":"allen-bradley-871tm-b3n12-r3","title":"871TM-B3N12-R3","description":"\u003ch2\u003eOverview of Allen Bradley 871TM-B3N12-R3\u003c\/h2\u003e\nThe Allen Bradley 871TM-B3N12-R3 is a precision metal face inductive proximity sensor designed for reliable industrial automation detection tasks. Manufactured by Rockwell Automation, this sensor features a 12mm barrel diameter and a nominal sensing distance of 3mm. It operates with a 2-wire AC\/DC configuration and provides normally open output contacts. This sensor is shielded and housed in stainless steel, ensuring durability and resistance in demanding environments. The compact design with a Micro Quick Disconnect connection allows for quick installation and maintenance. It is suitable for environments requiring IP67 and IP69K protection ratings, making it a robust choice for various industrial applications.\n\n\u003ch2\u003eKey Features of Allen Bradley 871TM-B3N12-R3\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e12mm barrel diameter with metal face construction for consistent sensing accuracy\u003c\/li\u003e\n  \u003cli\u003e3mm nominal sensing distance suitable for close-range metal object detection\u003c\/li\u003e\n  \u003cli\u003e2-wire AC\/DC operation with normally open (N.O.) output configuration\u003c\/li\u003e\n  \u003cli\u003eShielded sensor design to minimize interference and false triggers\u003c\/li\u003e\n  \u003cli\u003eStainless steel housing enhances mechanical and environmental resilience\u003c\/li\u003e\n  \u003cli\u003eMicro Quick Disconnect (QD) connection for easy installation and quick replacement\u003c\/li\u003e\n  \u003cli\u003eHigh degree of protection with IP67\/IP69K rating for dust and water resistance\u003c\/li\u003e\n  \u003cli\u003eOperating temperature range from -25 to +70 °C for versatile environmental use\u003c\/li\u003e\n  \u003cli\u003eVoltage rating from 20 to 250V AC\/DC enabling broad application compatibility\u003c\/li\u003e\n  \u003cli\u003eSwitching frequency up to 30 Hz for responsive sensing in automation systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specs of 871TM-B3N12-R3\u003c\/h2\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n  \u003ctr\u003e\n    \u003cth\u003eSpecification\u003c\/th\u003e\n    \u003cth\u003eDetails\u003c\/th\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eBarrel Diameter\u003c\/td\u003e\n    \u003ctd\u003e12 mm\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eSensing Distance (Nominal)\u003c\/td\u003e\n    \u003ctd\u003e3 mm\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eOutput Configuration\u003c\/td\u003e\n    \u003ctd\u003eNormally Open (N.O.)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eProximity Sensor Type\u003c\/td\u003e\n    \u003ctd\u003e2-Wire AC\/DC\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eConnection Type\u003c\/td\u003e\n    \u003ctd\u003eMicro Quick Disconnect (AC)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eHousing Material\u003c\/td\u003e\n    \u003ctd\u003eStainless Steel\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eShielding\u003c\/td\u003e\n    \u003ctd\u003eShielded\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eDegree of Protection\u003c\/td\u003e\n    \u003ctd\u003eIP67 \/ IP69K\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eOperating Temperature\u003c\/td\u003e\n    \u003ctd\u003e-25 to +70 °C\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eVoltage Rating\u003c\/td\u003e\n    \u003ctd\u003e20 - 250V AC\/DC\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eSwitching Frequency\u003c\/td\u003e\n    \u003ctd\u003e30 Hz\u003c\/td\u003e\n  \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eApplications \/ Use Case\u003c\/h2\u003e\nThe Allen Bradley 871TM-B3N12-R3 sensor is ideal for industrial automation systems requiring accurate metal object detection in constrained spaces. It is widely used in manufacturing for position sensing, counting, and speed measurement of metal parts on conveyor belts or assembly lines. The sensor’s robust IP67\/IP69K sealed housing ensures reliable performance in harsh environments involving dust, moisture, and washdown processes. Its quick disconnect design allows for efficient replacement during preventative maintenance downtime. Typical industries benefiting from this sensor include automotive manufacturing, material handling, packaging, and food processing where precise metal detection directly improves operational safety and efficiency.\n\n\u003ch2\u003eRelated Resources\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/leadtime.ca\/\" target=\"_blank\"\u003eLeadTime.ca – Industrial Automation Components \u0026amp; Repair Services\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/leadtime.ca\/collections\/allen-bradley\" target=\"_blank\"\u003eView All Allen Bradley Products\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/leadtime.ca\/blogs\/learning-center\/top-plc-brands-compared-siemens-allen-bradley-mitsubishi\" target=\"_blank\"\u003eTop PLC Brands Compared: Siemens, Allen Bradley \u0026amp; Mitsubishi\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/leadtime.ca\/products\/allen-bradley-1756-en2tr\" target=\"_blank\"\u003eAllen Bradley 1756-EN2TR EtherNet\/IP Module\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/leadtime.ca\/products\/allen-bradley-1321-3r18-b\" target=\"_blank\"\u003eAllen Bradley 1321-3R18-B Resistor Assembly\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":47814756204843,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0837\/4671\/7995\/files\/Leadtime_afa7dd8c-c4c0-4d61-a819-43ae2db521e5.png?v=1723539538","url":"https:\/\/leadtime.ca\/products\/allen-bradley-871tm-b3n12-r3","provider":"LEADTIME","version":"1.0","type":"link"}