{"product_id":"omron-e3x-sd21-photoelectric-switch-amplifier","title":"Omron E3X-SD21 Photoelectric Switch Amplifier","description":"\u003ch3 data-section-id=\"17lc1ru\" data-start=\"0\" data-end=\"16\"\u003eDescription:\u003c\/h3\u003e\n\u003cp data-start=\"17\" data-end=\"472\"\u003eThe \u003ca href=\"https:\/\/plgautomation.com\/collections\/omron\" title=\"Omron\"\u003eOmron\u003c\/a\u003e E3X-SD21 photoelectric switch amplifier is used in sensor detection systems to control and process signals from \u003ca href=\"https:\/\/plgautomation.com\/collections\/sensors-measurement\" title=\"fiber optic sensors\"\u003efiber optic sensors\u003c\/a\u003e in industrial automation. Commonly installed in packaging machines, assembly lines, inspection systems, and conveyor equipment requiring precise object detection. Maintenance teams and system integrators use this part for replacement, retrofit, and maintaining reliable sensing performance in automated processes.\u003c\/p\u003e\n\u003ch3 data-section-id=\"5ms9th\" data-start=\"474\" data-end=\"491\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-start=\"492\" data-end=\"872\"\u003eThe Omron E3X-SD21 photoelectric switch amplifier is used in industrial environments for high-precision detection tasks such as object presence, position sensing, and counting. It is commonly applied in packaging systems, electronics manufacturing, material handling, and automated inspection systems where fiber optic sensing is required for small or difficult-to-detect objects.\u003c\/p\u003e\n\u003ch3 data-section-id=\"5hg6bl\" data-start=\"874\" data-end=\"903\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-start=\"904\" data-end=\"1539\"\u003e• Manufacturer Part Number (MPN): E3X-SD21\u003cbr data-start=\"946\" data-end=\"949\"\u003e• Product Type: Fiber Optic Sensor Amplifier (Photoelectric Switch)\u003cbr data-start=\"1016\" data-end=\"1019\"\u003e• Series: E3X Series\u003cbr data-start=\"1039\" data-end=\"1042\"\u003e• Supply Voltage: 12 to 24 VDC\u003cbr data-start=\"1072\" data-end=\"1075\"\u003e• Control Output: NPN output\u003cbr data-start=\"1103\" data-end=\"1106\"\u003e• Response Time: High-speed response (microsecond range)\u003cbr data-start=\"1162\" data-end=\"1165\"\u003e• Sensitivity Adjustment: Digital setting with display\u003cbr data-start=\"1219\" data-end=\"1222\"\u003e• Display Type: Dual digital display\u003cbr data-start=\"1258\" data-end=\"1261\"\u003e• Connection Type: Pre-wired or connector type (model dependent)\u003cbr data-start=\"1325\" data-end=\"1328\"\u003e• Mounting Type: DIN rail or panel mount\u003cbr data-start=\"1368\" data-end=\"1371\"\u003e• Protection Features: Short circuit protection, reverse polarity protection\u003cbr data-start=\"1447\" data-end=\"1450\"\u003e• Operating Temperature: -25°C to +55°C\u003cbr data-start=\"1489\" data-end=\"1492\"\u003e• Degree of Protection: IP50 (amplifier unit)\u003c\/p\u003e\n\u003ch3 data-section-id=\"1cz0398\" data-start=\"1541\" data-end=\"1565\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-start=\"1566\" data-end=\"1623\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e• Omron \u003ca href=\"https:\/\/plgautomation.com\/products\/omron-e3x-da21-s?_pos=1\u0026amp;_sid=9e63b8003\u0026amp;_ss=r\" title=\"E3X-DA21-S\"\u003eE3X-DA21-S\u003c\/a\u003e\u003cbr data-start=\"1584\" data-end=\"1587\"\u003e• Omron E3X-HD21\u003cbr data-start=\"1603\" data-end=\"1606\"\u003e• Omron E3NX-FA11\u003c\/p\u003e","brand":"Omron","offers":[{"title":"New","offer_id":50558449680686,"sku":"New","price":204.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/Screenshot_2025-07-04_145053.png?v=1751611883","url":"https:\/\/plgautomation.com\/products\/omron-e3x-sd21-photoelectric-switch-amplifier","provider":"PLG Automation ","version":"1.0","type":"link"}