{"product_id":"sick-re21-sa84-safety-switch","title":"Sick RE21-SA84 Safety Switch","description":"\u003cdiv class=\"technical-details-item\"\u003e\n\u003cdiv class=\"accordion-headline js-accordion-header accordion-visible\"\u003e\n\u003cdiv class=\"flex flex-grow flex-col max-w-full\"\u003e\n\u003cdiv data-message-id=\"c8d3ac9a-44ef-4ab2-a5da-3ab778dc66d5\" data-message-author-role=\"assistant\" dir=\"auto\" class=\"min-h- text-message flex flex-col items-start whitespace-pre-wrap break-words :mt-5 juice:w-full juice:items-end overflow-x-auto gap-2\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 juice:empty:hidden juice:first:pt-\"\u003e\n\u003cdiv class=\"markdown prose w-full break-words dark:prose-invert light\"\u003e\n\u003ch3\u003eSick RE21-SA84 Safety Switch\u003c\/h3\u003e\n\u003cspan style=\"color: #000000;\"\u003eThe \u003ca href=\"\/search?type=product\u0026amp;options%5Bunavailable_products%5D=show\u0026amp;options%5Bprefix%5D=last\u0026amp;q=sensor\" title=\"Search: 513 results found for ’sensor’ – industryshoppy.com\" aria-label=\"Search: 513 results found for ’sensor’ – industryshoppy.com\"\u003eSick\u003c\/a\u003e \u003cstrong\u003eRE21-SA84\u003c\/strong\u003e Safety Switch (Part No. 1083850) is a robust \u003cstrong data-start=\"231\" data-end=\"257\"\u003emagnetic safety sensor\u003c\/strong\u003e designed for reliable position and door monitoring in industrial safety systems. Built with a durable \u003cstrong data-start=\"360\" data-end=\"379\"\u003eVISTAL® housing\u003c\/strong\u003e and rated \u003cstrong data-start=\"390\" data-end=\"398\"\u003eIP67\u003c\/strong\u003e, it ensures dependable performance in harsh environments, including moisture, dust, and vibration.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"markdown prose w-full break-words dark:prose-invert light\"\u003e\u003cspan style=\"color: #000000;\"\u003eThis sensor features \u003cstrong data-start=\"519\" data-end=\"552\"\u003e1 N\/O and 1 N\/C reed contacts\u003c\/strong\u003e, offering flexible integration with safety circuits up to \u003cstrong data-start=\"611\" data-end=\"636\"\u003eType 4 (EN ISO 14119)\u003c\/strong\u003e. With an assured \u003cstrong data-start=\"654\" data-end=\"672\"\u003e6 mm switch-on\u003c\/strong\u003e and \u003cstrong data-start=\"677\" data-end=\"697\"\u003e31 mm switch-off\u003c\/strong\u003e distance, it provides stable and precise actuation across \u003cstrong data-start=\"756\" data-end=\"782\"\u003e5 operation directions\u003c\/strong\u003e, enhancing installation flexibility. \u003cbr\u003e\u003cbr\u003eThe RE21-SA84 supports a \u003cstrong data-start=\"845\" data-end=\"880\"\u003eswitching voltage up to 30 V DC\u003c\/strong\u003e and \u003cstrong data-start=\"885\" data-end=\"903\"\u003e400 mA current\u003c\/strong\u003e, making it suitable for diverse automation applications. Its \u003cstrong data-start=\"965\" data-end=\"983\"\u003eLED indicators\u003c\/strong\u003e, \u003cstrong data-start=\"985\" data-end=\"1021\"\u003enickel-plated brass coupling nut\u003c\/strong\u003e, and \u003cstrong data-start=\"1027\" data-end=\"1049\"\u003eM8 4-pin connector\u003c\/strong\u003e ensure secure and easy connection. Designed for long life with \u003cstrong data-start=\"1113\" data-end=\"1141\"\u003e2 × 10⁷ switching cycles\u003c\/strong\u003e, this sensor is ideal for high-demand industrial environments.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"markdown prose w-full break-words dark:prose-invert light\"\u003e\n\u003cp data-start=\"706\" data-end=\"1278\"\u003e \u003c\/p\u003e\n\u003cdiv class=\"flex flex-grow flex-col max-w-full\"\u003e\n\u003cdiv data-message-id=\"c8d3ac9a-44ef-4ab2-a5da-3ab778dc66d5\" data-message-author-role=\"assistant\" dir=\"auto\" class=\"min-h- text-message flex flex-col items-start whitespace-pre-wrap break-words :mt-5 juice:w-full juice:items-end overflow-x-auto gap-2\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 juice:empty:hidden juice:first:pt-\"\u003e\n\u003cdiv class=\"markdown prose w-full break-words dark:prose-invert light\"\u003e\n\u003chr data-start=\"1401\" data-end=\"1404\"\u003e\n\u003ch3 data-start=\"1406\" data-end=\"1425\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cstrong data-start=\"1409\" data-end=\"1425\"\u003e\u003cbr\u003eApplications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-end=\"202\" data-start=\"137\"\u003e\n\u003cp data-end=\"202\" data-start=\"139\"\u003e\u003cspan style=\"color: #000000;\"\u003eSafety door and guard monitoring in industrial machinery.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"280\" data-start=\"203\" style=\"color: #000000;\"\u003e\n\u003cp data-end=\"280\" data-start=\"205\"\u003e\u003cspan style=\"color: #000000;\"\u003ePosition detection for sliding, hinged, and removable machine covers.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"375\" data-start=\"281\" style=\"color: #000000;\"\u003e\n\u003cp data-end=\"375\" data-start=\"283\"\u003e\u003cspan style=\"color: #000000;\"\u003ePackaging, food, and material-handling equipment requiring non-contact safety sensing.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"455\" data-start=\"376\" style=\"color: #000000;\"\u003e\n\u003cp data-end=\"455\" data-start=\"378\"\u003e\u003cspan style=\"color: #000000;\"\u003eRobotics and automation systems where safe access detection is crucial.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"517\" data-start=\"456\" style=\"color: #000000;\"\u003e\n\u003cp data-end=\"517\" data-start=\"458\"\u003e\u003cspan style=\"color: #000000;\"\u003eConveyor safety interlocks and machine access points.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"599\" data-start=\"518\" style=\"color: #000000;\"\u003e\n\u003cp data-end=\"599\" data-start=\"520\"\u003e\u003cspan style=\"color: #000000;\"\u003eEnvironments with vibration or frequent cleaning, thanks to IP67 housing.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"146\" data-end=\"220\"\u003e\u003cbr\u003e\u003cspan style=\"color: #000000;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"1789\" data-end=\"1792\"\u003e\n\u003ch3 data-start=\"1794\" data-end=\"1822\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cstrong data-start=\"1797\" data-end=\"1822\"\u003e\u003cbr\u003eTechnical Precautions\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1823\" data-end=\"2468\"\u003e\n\u003cli data-end=\"744\" data-start=\"635\"\u003e\n\u003cp data-end=\"744\" data-start=\"637\"\u003e\u003cspan style=\"color: #000000;\"\u003eEnsure the actuator and sensor are correctly aligned to maintain the 6 mm assured switch-on distance.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"824\" data-start=\"745\" style=\"color: #000000;\"\u003e\n\u003cp data-end=\"824\" data-start=\"747\"\u003e\u003cspan style=\"color: #000000;\"\u003eInstall according to EN ISO 14119 guidelines for Type 4 safety systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"948\" data-start=\"825\" style=\"color: #000000;\"\u003e\n\u003cp data-end=\"948\" data-start=\"827\"\u003e\u003cspan style=\"color: #000000;\"\u003eAvoid using in systems requiring internal fault detection, as the sensor depends on the external safety logic unit.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1041\" data-start=\"949\" style=\"color: #000000;\"\u003e\n\u003cp data-end=\"1041\" data-start=\"951\"\u003e\u003cspan style=\"color: #000000;\"\u003eMaintain bend radius \u0026gt;12× (fixed) and \u0026gt;15× (moving) for the cable to prevent damage.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1127\" data-start=\"1042\" style=\"color: #000000;\"\u003e\n\u003cp data-end=\"1127\" data-start=\"1044\"\u003e\u003cspan style=\"color: #000000;\"\u003eDo not exceed the 30 V DC switching voltage and 400 mA switching current.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1200\" data-start=\"1128\" style=\"color: #000000;\"\u003e\n\u003cp data-end=\"1200\" data-start=\"1130\"\u003e\u003cspan style=\"color: #000000;\"\u003eProtect the sensor from excessive mechanical stress during mounting.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1281\" data-start=\"1201\" style=\"color: #000000;\"\u003e\n\u003cp data-end=\"1281\" data-start=\"1203\"\u003e\u003cspan style=\"color: #000000;\"\u003eKeep away from strong magnetic fields that may interfere with operation.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1365\" data-start=\"1282\" style=\"color: #000000;\"\u003e\n\u003cp data-end=\"1365\" data-start=\"1284\"\u003e\u003cspan style=\"color: #000000;\"\u003eFollow proper sealing to maintain IP67 rating in wet or dusty environments.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\n\u003chr\u003e\n\u003cbr\u003e\n\u003cp data-start=\"62\" data-end=\"256\"\u003e\u003cspan style=\"color: #000000;\"\u003eWhile our engineers carefully upload product details based on official datasheets, occasional errors may still occur. We encourage users to verify specifications as needed for complete accuracy.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"258\" data-end=\"591\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cspan style=\"color: #2b00ff;\"\u003e\u003ca href=\"\/\" title=\"Industryshoppy.com - your trusted source for industrial automation\" aria-label=\"Industryshoppy.com - your trusted source for industrial automation\"\u003eIndustryShoppy.com\u003c\/a\u003e \u003c\/span\u003eoffers a wide selection of industrial automation products—from sensors and HMIs to PLCs and more. Designed for convenience, our platform ensures a smooth shopping experience backed by reliable service and customer-focused support. Explore our extensive range and elevate your industrial operations with confidence.\u003c\/span\u003e\u003cspan style=\"color: #333333;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"markdown prose w-full break-words dark:prose-invert light\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #e90000;\"\u003eNote : All tax and custom duty should be pay by buyer only.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e All trademarks and trade names used are the property of their respective owners.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003cp data-end=\"1344\" data-start=\"725\"\u003e\u003cbr\u003e\u003cspan style=\"color: #0000ff;\"\u003e\u003ca href=\"https:\/\/www.facebook.com\/login\/?next=https%3A%2F%2Fwww.facebook.com%2Findustryshoppy%2F\" style=\"color: #0000ff;\" title=\"Facebook\" aria-label=\"Visit a webpage about Facebook\"\u003eFacebook\u003c\/a\u003e, \u003ca href=\"https:\/\/www.youtube.com\/channel\/UCz3xctMEuiT9JzeuFrLGXMQ\" style=\"color: #0000ff;\" title=\"Industryshoppy - youtube\" aria-label=\"Visit a webpage about Industryshoppy - youtube\"\u003eYouTube\u003c\/a\u003e,\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"SICK","offers":[{"title":"Default Title","offer_id":42480176791629,"sku":"NTSSEN00616","price":110.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/6681\/0701\/files\/sick-re21-sa84-safety-switch-40-785.webp?v=1773985325","url":"https:\/\/industryshoppy.com\/products\/sick-re21-sa84-safety-switch","provider":"IndustryShoppy.com","version":"1.0","type":"link"}