{"product_id":"schlage-l283-481-eu-fail-secure-electric-lock-case-rx-sensor","title":"Schlage L283-481 Eu Fail Secure Electric Lock Case Rx Sensor","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe SCHLAGE L283-481 EU is a fail-secure electrically unlocked lock case designed for use in commercial access control installations. In fail-secure operation, the lock remains locked when power is removed, maintaining door security during an outage. This lock case integrates a request-to-exit (RX) door position sensor, combining latch monitoring and egress signaling into a single mechanical assembly. It is installed by licensed locksmiths, access control technicians, or commercial door hardware specialists as part of a complete electrified mortise lockset system.\u003c\/p\u003e\n\u003cp\u003eThis lock case is designed for use with SCHLAGE L9090 and L9092 series mortise locksets in commercial applications. Typical installations include office suites, server rooms, stairwells, and other access-controlled openings where a fail-secure operation mode is required. The field-reversible design allows the case to be configured for both left-hand and right-hand door swings without requiring a separate SKU, simplifying inventory for service contractors and hardware distributors alike.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n \u003cli\u003eFail-secure operation: lock remains locked on power loss, maintaining door security\u003c\/li\u003e\n \u003cli\u003eIntegrated request-to-exit door position sensor for egress monitoring and access control panel signaling\u003c\/li\u003e\n \u003cli\u003eField-reversible handing - configurable for left-hand or right-hand doors at time of installation\u003c\/li\u003e\n \u003cli\u003eDesigned for use with SCHLAGE L9090 and L9092 series mortise locksets\u003c\/li\u003e\n \u003cli\u003eElectrically unlocked design: applying power releases the latch for controlled access\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned for use with SCHLAGE L9090 and L9092 series mortise locksets in commercial door hardware assemblies.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation should be performed by a licensed locksmith or qualified access control technician familiar with commercial mortise hardware. Disconnect and lock out all power to the access control system before servicing or replacing the lock case. Verify door handing before final assembly, as improper handing will prevent correct latch operation. Local building codes and fire egress requirements should be confirmed prior to specifying fail-secure hardware on any exit or egress path.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eOperation Mode\u003c\/strong\u003e: Fail Secure (Electrically Unlocked)\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eIntegrated Sensor\u003c\/strong\u003e: Request to Exit Door Position Sensor\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHanding\u003c\/strong\u003e: Field Reversible\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCompatible Locksets\u003c\/strong\u003e: SCHLAGE L9090, L9092\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: L283-481 EU\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SCHLAGE","offers":[{"title":"Default Title","offer_id":68282150289714,"sku":"L283-481 EU","price":951.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/6e89e4aa393ab8d693c37b1c96156dcd.jpg?v=1793687492","url":"https:\/\/voomisupply.com\/products\/schlage-l283-481-eu-fail-secure-electric-lock-case-rx-sensor","provider":"Voomi Supply","version":"1.0","type":"link"}