{"product_id":"sdc-md-31d-series-request-to-exit-pir-motion-sensors","title":"SDC MD-31D Series Request-to-Exit PIR Motion Sensors","description":"\u003ch1\u003e\u003cspan\u003eSDC MD-31D Series Request-to-Exit PIR Motion Sensors\u003c\/span\u003e\u003c\/h1\u003e\n\u003ch2\u003e\u003cspan\u003ePassive Infrared Motion Sensors for Access Control and Egress\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eSDC MD-31D Series Request-to-Exit (REX) PIR Motion Sensors\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e are passive infrared motion detectors specifically designed for access-controlled door egress applications. Engineered to provide reliable motion detection and secure door release, these sensors are ideal for commercial buildings, institutional facilities, and other environments requiring code-compliant access control systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFeaturing an internally pointable coverage field, the MD-31D provides flexible detection positioning to accommodate different mounting heights and installation requirements. Its unique wrap-around U-shaped detection pattern projects downward and away from the door, helping inhibit tampering and ensuring dependable request-to-exit activation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe MD-31D Series incorporates a relock time delay (RTD), auto-sensing dual voltage, and a code-compliant failsafe mode for enhanced system integration and reliable operation. Designed for use with access-controlled egress doors, these PIR motion sensors comply with applicable national fire and building code requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eStandard Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePassive infrared (PIR) motion detection technology\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSpecifically designed for Request-to-Exit (REX) applications\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eInternally pointable detection coverage field\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eWrap-around U-shaped detection pattern for enhanced tamper resistance\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eRelock time delay (RTD)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFlexible mounting options: door frame header, wall, or ceiling\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCode-compliant failsafe operating mode\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAuto-sensing dual voltage\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for access-controlled egress doors\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eComplies with applicable NFPA fire and building code requirements\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eDetection Coverage\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe SDC MD-31D Series features an adjustable detection field designed to provide reliable motion sensing near controlled doors.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAt 7 feet mounting height with a 14-degree downward angle: approximately 5' x 6' coverage\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAt 15 feet mounting height with a 14-degree downward angle: approximately 10' x 12' coverage\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eThe internally adjustable sensor allows installers to position the detection pattern for optimal coverage while helping prevent unwanted activation or tampering.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eAvailable Models\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSDC MD-31DOW – PIR Motion Sensor, White\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePassive infrared Request-to-Exit sensor\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eWhite housing finish\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eIdeal for installations requiring a light-colored sensor\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSDC MD-31DB – PIR Motion Sensor, Black\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePassive infrared Request-to-Exit sensor\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eBlack housing finish\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eIdeal for installations requiring a dark-colored sensor\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eCode Compliance\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe SDC MD-31D Series is designed to comply with applicable access-controlled egress door requirements, including:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eIBC International Building Code – 1008.1.3.4\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eIFC International Fire Code – 1008.1.3.4\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNFPA 101 Life Safety Code – 7.2.1.6.2\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNFPA 1 – 15.5.3.2\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eBOCA National Building Code – 1017.4.5\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSBCCI Standard Building Code – 1012.7\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eApplications\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe SDC MD-31D Series PIR Motion Sensors are ideal for:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCommercial building access control systems\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eRequest-to-Exit (REX) applications\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAccess-controlled egress doors\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eElectromagnetic lock release systems\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eElectric strike and electronic locking applications\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eInstitutional and healthcare facilities\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eOffice buildings and industrial environments\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNFPA-compliant egress installations\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eReliable and Code-Compliant Request-to-Exit Detection\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eEnhance your access control system with the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eSDC MD-31D Series PIR Motion Sensors\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. Combining passive infrared detection, adjustable coverage, tamper-resistant sensing patterns, and code-compliant failsafe operation, the MD-31D provides a dependable solution for secure and efficient door egress.\u003c\/span\u003e\u003c\/p\u003e","brand":"SDC","offers":[{"title":"MD-31DB - Request-To-Exit PIR Motion Sensor, Black","offer_id":46630707134549,"sku":"MD-31DB","price":193.9,"currency_code":"USD","in_stock":true},{"title":"MD-31DOW - Request-To-Exit PIR Motion Sensor, White","offer_id":46630707167317,"sku":"MD-31DOW","price":193.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1102\/8096\/files\/MD31-0.jpg?v=1794338299","url":"https:\/\/uslocksupply.com\/products\/sdc-md-31d-series-request-to-exit-pir-motion-sensors","provider":"US Lock Supply","version":"1.0","type":"link"}