{"product_id":"wtr1-p421-a12-sick-through-beam-photoelectric-proximity-sensor","title":"WTR1-P421-A12 | SICK Through-Beam Photoelectric Proximity Sensor","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-start=\"360\" data-end=\"729\"\u003eThe SICK WTR1-P421-A12 is a compact photoelectric proximity sensor designed for reliable object detection using through-beam technology. It provides precise switching performance in industrial automation applications where accurate detection of small or fast-moving objects is required. The sensor is commonly used in packaging, assembly, and material handling systems.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSICK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSensors \u0026amp; Switches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWTR1-P421-A12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePhotoelectric Proximity Sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSensing Principle\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eThrough-beam photoelectric\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLight Source\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRed LED\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePNP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSwitching Mode\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLight\/Dark switching\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupply Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 V DC … 30 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eResponse Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤ 0.5 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnection Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eM12 connector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHousing Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePlastic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnclosure Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIP67\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e–25 °C … +55 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.00 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About WTR1-P421-A12\u003c\/h4\u003e\n\u003cp data-start=\"761\" data-end=\"1292\"\u003eThe WTR1-P421-A12 is part of the SICK WTR series, which includes miniature photoelectric sensors engineered for space-constrained industrial environments. It features a rugged rectangular housing with integrated optics and electronics for stable operation in demanding conditions. The sensor uses through-beam photoelectric technology to achieve high detection accuracy and immunity to background interference. It is compatible with standard 10–30 V DC control systems and is designed for easy integration into automated machinery.\u003c\/p\u003e\n\u003ch3 data-start=\"1067\" data-end=\"1088\"\u003e\u003cbr\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong data-start=\"1085\" data-end=\"1102\"\u003eKey Features:\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThrough-Beam Photoelectric Sensor: Provides accurate object detection by separating emitter and receiver units.\u003c\/li\u003e\n\u003cli\u003eHigh Detection Precision: Suitable for detecting small objects and fast processes.\u003c\/li\u003e\n\u003cli\u003ePNP Output Configuration: Ensures compatibility with modern industrial control systems.\u003c\/li\u003e\n\u003cli\u003eRed LED Light Source: Visible beam simplifies alignment and setup.\u003c\/li\u003e\n\u003cli\u003eFast Switching Speed: Supports high-speed automation and counting applications.\u003c\/li\u003e\n\u003cli\u003eCompact Rectangular Housing: Ideal for installations with limited mounting space.\u003c\/li\u003e\n\u003cli\u003eIndustrial-Grade Construction: Designed for reliable operation in harsh factory environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe WTR1-P421-A12 delivers the reliability and precision required for accurate industrial object detection and process automation.\u003c\/p\u003e","brand":"SICK","offers":[{"title":"Default Title","offer_id":49104926540032,"sku":"WTR1-P421-A12","price":715.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/2026-01-31_20.00.34.png?v=1785536350","url":"https:\/\/alotechparts.com\/products\/wtr1-p421-a12-sick-through-beam-photoelectric-proximity-sensor","provider":"Alo Tech Solutions","version":"1.0","type":"link"}