{"product_id":"schlage-nd80ldeu-rho-643e-rx-electrified-cylindrical-lock","title":"Schlage ND80LDEU Rho 643E Rx Electrified Cylindrical Lock","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe SCHLAGE ND80LDEU RHO 643E RX is a Grade 1 electrified cylindrical lock designed for storeroom function in access-controlled door applications. It operates on 12-24 volts DC and is configured as fail secure, meaning the lock remains locked when power is interrupted. The Rhodes lever handle is included, and the lock ships less cylinder, requiring a separate cylinder to be specified and installed. A 2.75-inch backset accommodates standard commercial door prep. Built to Grade 1 commercial standards, this lock suits high-traffic, security-sensitive openings where remote locking control and request-to-exit signaling are required.\u003c\/p\u003e\n\u003cp\u003eThis lock is suited for interior commercial doors requiring electrified access control with storeroom function, where the outside lever is always locked and only released by electrical signal or key. The request-to-exit feature provides a signal output when the inside lever is actuated, supporting integration with access control panels and alarm systems. The Aged Bronze finish coordinates with architectural hardware in commercial office, healthcare, education, and institutional environments. Installation is typically performed by a licensed locksmith or access control integrator working alongside low-voltage wiring contractors.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n \u003cli\u003eGrade 1 commercial cylindrical lock construction for high-cycle, high-security applications\u003c\/li\u003e\n \u003cli\u003eStoreroom function: outside lever locked at all times, released by electrical signal or key\u003c\/li\u003e\n \u003cli\u003eFail secure operation: lock remains locked on power loss\u003c\/li\u003e\n \u003cli\u003e12-24 volts DC dual-voltage compatibility simplifies integration with existing access control systems\u003c\/li\u003e\n \u003cli\u003eRequest-to-exit output signals access control panel when inside lever is used\u003c\/li\u003e\n \u003cli\u003eRhodes lever trim in Aged Bronze (643E) finish\u003c\/li\u003e\n \u003cli\u003eShips less cylinder for field specification of preferred core type\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style electrified cylindrical lock replacement or new-installation solution for commercial doors prepped to standard cylindrical lock bore specifications with a 2.75-inch backset.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation should be performed by a licensed locksmith or qualified access control integrator in coordination with a low-voltage electrician where required by local code. Disconnect and lock out all power to the access control system and door hardware circuit before beginning wiring work. The less-cylinder configuration requires a compatible cylinder to be sourced, specified, and installed separately before the lock is operational. Consult local building codes and NFPA 80 for requirements on electrified hardware installed on fire-rated door assemblies.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eGrade\u003c\/strong\u003e: Grade 1 Commercial\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFunction\u003c\/strong\u003e: Storeroom (outside lever always locked)\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eVoltage\u003c\/strong\u003e: 12-24 volts DC\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFail Mode\u003c\/strong\u003e: Fail Secure\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eBackset\u003c\/strong\u003e: 2.75 inches\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eLever Style\u003c\/strong\u003e: Rhodes (RHO)\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: Aged Bronze (643E)\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCylinder\u003c\/strong\u003e: Less Cylinder (field supplied)\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eRequest to Exit\u003c\/strong\u003e: Yes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: SCHLAGE\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: ND80LDEU RHO 643E RX\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SCHLAGE","offers":[{"title":"Default Title","offer_id":68303195996466,"sku":"ND80LDEU RHO 643E RX","price":765.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/a2e38556a7b2e9d57d29192f464261f5.jpg?v=1793722828","url":"https:\/\/voomisupply.com\/products\/schlage-nd80ldeu-rho-643e-rx-electrified-cylindrical-lock","provider":"Voomi Supply","version":"1.0","type":"link"}