{"product_id":"d4mb-431-omron-limit-switch","title":"D4MB-431 | Omron Limit Switch","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-start=\"144\" data-end=\"396\"\u003eThe D4MB-431 is a high-durability limit switch engineered for industrial applications requiring reliable mechanical actuation and robust environmental resistance. It features multiple plungers, IP67-rated jet-proof construction, and a long mechanical life cycle.\u003c\/p\u003e\n\u003cp data-start=\"284\" data-end=\"574\" class=\"\"\u003e \u003c\/p\u003e\n\u003cp data-start=\"284\" data-end=\"574\" class=\"\"\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable width=\"100%\" style=\"height: 442.188px; width: 100%;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 22.9375px;\"\u003e\n\u003cth style=\"width: 32.7273%; text-align: left; height: 22.9375px;\" class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eCondition\u003c\/th\u003e\n\u003ctd style=\"width: 66.9091%; height: 22.9375px;\" class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"width: 32.7273%; text-align: left; height: 19.5938px;\" class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eBrand\u003c\/th\u003e\n\u003ctd style=\"width: 66.9091%; height: 19.5938px;\" class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003e\u003cspan data-sheets-root=\"1\"\u003eOmron\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 20.5938px;\"\u003e\n\u003cth style=\"width: 32.7273%; text-align: left; height: 20.5938px;\"\u003eCategory\u003c\/th\u003e\n\u003ctd style=\"width: 66.9091%; height: 20.5938px;\"\u003e\n\u003cdiv class=\"mt-1 md:mt-0 column-left basis-2\/4 divide-y divide-rad-gray-10 border-b-[0.0625rem] border-rad-gray-10 md:border-0\"\u003e\n\u003cdiv class=\"flex gap-[1.75rem] md:gap-x-0 xl:gap-x-[1.875rem]\"\u003e\n\u003cdiv class=\"text-body-4 w-full font-light py-5 pl-4 md:py-6 md:pl-6 text-rad-gray-70\"\u003e\n\u003cdiv class=\"max-w-[8rem] break-words\"\u003e\n\u003cspan\u003e\u003c\/span\u003eSwitches\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"width: 32.7273%; text-align: left; height: 19.5938px;\"\u003e\u003cspan\u003ePart Number\u003c\/span\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 66.9091%; height: 19.5938px;\"\u003e\u003cspan data-sheets-root=\"1\"\u003eD4MB-431\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 21.5938px;\"\u003e\n\u003cth style=\"width: 32.7273%; text-align: left; height: 21.5938px;\"\u003e\u003cspan\u003eSubcategory\u003c\/span\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 66.9091%; height: 21.5938px;\"\u003e\u003cspan data-sheets-root=\"1\"\u003e\u003cspan\u003eLimit Switches\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 23.5938px;\"\u003e\n\u003cth style=\"width: 32.7273%; text-align: left; height: 23.5938px;\" class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eRated Voltage\u003c\/th\u003e\n\u003ctd style=\"width: 66.9091%; height: 23.5938px;\" class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003e125\/250 VAC, 125\/250 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 20.5938px;\"\u003e\n\u003cth style=\"width: 32.7273%; text-align: left; height: 20.5938px;\" class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eCurrent Rating\u003c\/th\u003e\n\u003ctd style=\"width: 66.9091%; height: 20.5938px;\" class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003e10 A (AC), 0.8 A (125 VDC), 0.4 A (250 VDC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"width: 32.7273%; text-align: left; height: 19.5938px;\" class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eInrush Current\u003c\/th\u003e\n\u003ctd style=\"width: 66.9091%; height: 19.5938px;\" class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003eNC: 30 mA max, NO: 20 A max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"width: 32.7273%; text-align: left; height: 19.5938px;\" class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eOperating Speed\u003c\/th\u003e\n\u003ctd style=\"width: 66.9091%; height: 19.5938px;\" class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003e0.05 mm\/s to 0.5 m\/s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 24.1875px;\"\u003e\n\u003cth style=\"width: 32.7273%; text-align: left; height: 24.1875px;\" class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eMechanical Frequency\u003c\/th\u003e\n\u003ctd style=\"width: 66.9091%; height: 24.1875px;\" class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003e120 operations\/min\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 23.1875px;\"\u003e\n\u003cth style=\"width: 32.7273%; text-align: left; height: 23.1875px;\" class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eElectrical Frequency\u003c\/th\u003e\n\u003ctd style=\"width: 66.9091%; height: 23.1875px;\" class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003e30 operations\/min\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 34.1875px;\"\u003e\n\u003cth style=\"width: 32.7273%; text-align: left; height: 34.1875px;\" class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eContact Resistance\u003c\/th\u003e\n\u003ctd style=\"width: 66.9091%; height: 34.1875px;\" class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003e25 mΩ max (initial)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 20.1875px;\"\u003e\n\u003cth style=\"width: 32.7273%; text-align: left; height: 20.1875px;\" class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eInsulation Resistance\u003c\/th\u003e\n\u003ctd style=\"width: 66.9091%; height: 20.1875px;\" class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003e100 MΩ min. (at 500 VDC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"width: 32.7273%; text-align: left; height: 19.5938px;\" class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eDielectric Strength\u003c\/th\u003e\n\u003ctd style=\"width: 66.9091%; height: 19.5938px;\" class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003e1,000–1,500 VAC depending on section\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003cth style=\"width: 32.7273%; text-align: left; height: 39.1875px;\" class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eAmbient Operating Temperature\u003c\/th\u003e\n\u003ctd style=\"width: 66.9091%; height: 39.1875px;\" class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003e–10°C to 80°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 35.1875px;\"\u003e\n\u003cth style=\"width: 32.7273%; text-align: left; height: 35.1875px;\" class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eAmbient Humidity\u003c\/th\u003e\n\u003ctd style=\"width: 66.9091%; height: 35.1875px;\" class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003e95% max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"width: 32.7273%; text-align: left; height: 19.5938px;\"\u003eEnclosure Rating\u003c\/th\u003e\n\u003ctd style=\"width: 66.9091%; height: 19.5938px;\"\u003eIP67, Jet-proof (JIS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"width: 32.7273%; text-align: left; height: 19.5938px;\"\u003eDimensions (W x H x D)\u003c\/th\u003e\n\u003ctd style=\"width: 66.9091%; height: 19.5938px;\"\u003e20 × 14 × 14 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"width: 32.7273%; text-align: left; height: 19.5938px;\" class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eWeight\u003c\/th\u003e\n\u003ctd style=\"width: 66.9091%; height: 19.5938px;\" class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003e\u003cspan\u003e960 g\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003cspan style=\"font-size: 0.875rem;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About \u003cspan data-sheets-root=\"1\"\u003eD4MB-431\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003eThe D4MB-431 is part of Omron’s heavy-duty limit switch lineup, offering a mechanical life of over 10 million operations, making it ideal for repetitive actuation in industrial environments. With support for both AC and DC currents, it can handle 10 A at 250 VAC and up to 0.8 A at 125 VDC. The switch incorporates four plungers and operates over a wide speed range from 0.05 mm\/s to 0.5 m\/s. It maintains stable operation under mechanical frequencies up to 120 ops\/min and electrical up to 30 ops\/min. Designed to withstand shocks up to 100G and vibration up to 1.5 mm at 10–55 Hz, the D4MB-431 ensures reliable performance in harsh conditions. The unit features reinforced insulation, high dielectric strength, and reliable contact resistance, all housed in an enclosure compliant with IP67 for dust and water protection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWide Electrical Ratings: Handles 10 A at 125\/250 VAC and 0.8 A at 125 VDC, providing flexibility across voltage types and circuit applications.\u003c\/li\u003e\n\u003cli\u003eDurable Mechanical Performance: Offers over 10 million mechanical operations and up to 500,000 electrical operations, ensuring long-term endurance in automated systems.\u003c\/li\u003e\n\u003cli\u003eShock and Vibration Resistant: Designed to withstand 100G shock (destruction) and 20G (malfunction), along with vibration frequencies from 10 to 55 Hz, making it suitable for rugged environments.\u003c\/li\u003e\n\u003cli\u003eJet-Proof Protection: IP67 and JIS-compliant construction allows use in settings exposed to dust and water jets, increasing reliability and maintenance-free operation.\u003c\/li\u003e\n\u003cli\u003eMultiple Actuation Points: Includes four plungers for diverse mechanical triggering options, accommodating complex automation needs or multi-directional sensing.\u003c\/li\u003e\n\u003cli\u003eStable Operating Conditions: Maintains consistent performance in ambient temperatures from –10°C to 80°C and humidity up to 95%, ensuring robust operation across seasonal extremes.\u003c\/li\u003e\n\u003cli\u003eHigh Inrush Current Capability: Supports up to 20 A inrush for NO contacts, which is useful during equipment start-up or load switching.\u003c\/li\u003e\n\u003cli\u003eCompact and Heavy: Compact dimensions (20 × 14 × 14 cm) with substantial build quality at approx. 960 g, giving it both space-efficiency and mechanical strength.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe D4MB-431 provides reliable contact operation, high shock tolerance, and long mechanical life for demanding industrial automation systems.\u003c\/p\u003e","brand":"Omron","offers":[{"title":"Default Title","offer_id":49105291247872,"sku":"D4MB-431","price":661.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/D4MB-431-UPP-1-1.jpg?v=1785544246","url":"https:\/\/alotechparts.com\/products\/d4mb-431-omron-limit-switch","provider":"Alo Tech Solutions","version":"1.0","type":"link"}