{"product_id":"dc12v-electric-bolt-lock-fail-safe-fail-secure-mortise-door-nc-no","title":"DC 12V Electric Bolt Lock Fail Safe\/Secure | Mortise Door Lock","description":"\u003ch2\u003eDC 12V Electric Bolt Lock – Fail Safe \u0026amp; Fail Secure for Mortise Doors\u003c\/h2\u003e\n\u003cp\u003eUpgrade your access control system with the \u003cstrong\u003eLUCKING DOOR DC12V Electric Bolt Lock (Model B3L)\u003c\/strong\u003e — a versatile, heavy-duty locking solution engineered for glass, wooden, metal, and security doors. With both \u003cstrong\u003eFail Safe (NC)\u003c\/strong\u003e and \u003cstrong\u003eFail Secure (NO)\u003c\/strong\u003e modes available, this lock gives you full control over how your door behaves during a power event. Easy to install, compact, and built from durable aluminum alloy, it's an ideal upgrade for homes, offices, and commercial access points.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Mode Operation:\u003c\/strong\u003e Choose between Fail Safe (unlocks when power is cut) or Fail Secure (remains locked when power is cut) to suit your security requirements.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e5-Wire Design with NC\/NO Output:\u003c\/strong\u003e Provides flexible integration with access control panels, keypads, intercoms, and more.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFeedback Signal:\u003c\/strong\u003e Built-in feedback signal lets your control system confirm the lock's actual state in real time.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdjustable Time Delay:\u003c\/strong\u003e Select from 0, 3, or 6-second delay settings for added convenience and customization.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow Working Current:\u003c\/strong\u003e Efficient design draws just 60mA during normal operation, reducing energy consumption.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Temperature Range:\u003c\/strong\u003e Operates reliably from -10°C to +55°C (-14°F to 131°F), suitable for both indoor and outdoor-adjacent applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAluminum Alloy Construction:\u003c\/strong\u003e Slim, sturdy body (120 × 18 × 23mm) designed to fit most standard mortise door cutouts with minimal modification.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo External Interference:\u003c\/strong\u003e Engineered to resist signal interference, ensuring stable and consistent locking performance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUniversal Compatibility:\u003c\/strong\u003e Fits glass, wooden, metal, and security doors — perfect for residential and commercial installations alike.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eB3L\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWorking Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC 12V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStart Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1,200mA (1.2A)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWorking Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e60mA (steady state)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLock Mode\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMagnetic Induction\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSecure Mode\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNC \/ NO (Fail Safe \/ Fail Secure)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWire Configuration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5-Wire\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTime Delay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 \/ 3 \/ 6 seconds (adjustable)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e120 × 18 × 23mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWorking Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-10°C to +55°C\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminum Alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHigh-Concern Chemicals\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in China (Mainland)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × DC 12V Electric Bolt Lock (Model B3L)\u003c\/li\u003e\n  \u003cli\u003eMounting hardware included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eLearn More About Access Control \u0026amp; Door Security\u003c\/h3\u003e\n\u003cp\u003eFor guidance on home and building security best practices, visit the U.S. Consumer Product Safety Commission (CPSC) for consumer safety resources related to home security products.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is the difference between Fail Safe and Fail Secure mode on this electric bolt lock?\u003c\/h4\u003e\n\u003cp\u003eA: In \u003cstrong\u003eFail Safe (NC) mode\u003c\/strong\u003e, the lock automatically unlocks when power is cut — useful for emergency egress requirements. In \u003cstrong\u003eFail Secure (NO) mode\u003c\/strong\u003e, the lock stays locked even when power is lost, maintaining security during power outages. You can choose the mode that best suits your application.\u003c\/p\u003e\n\u003ch4\u003eQ: What types of doors is this DC 12V electric bolt lock compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This electric bolt lock is compatible with a wide range of door types, including glass, wooden, metal, and security doors. Its compact 120 × 18 × 23mm aluminum alloy body fits most standard mortise door cutouts.\u003c\/p\u003e\n\u003ch4\u003eQ: How does the 5-wire NC\/NO output work with my access control system?\u003c\/h4\u003e\n\u003cp\u003eA: The 5-wire configuration provides both power connections and a feedback signal output. The NC\/NO terminals allow direct integration with most access control panels, intercoms, exit buttons, and keypads — no special adapters required. The feedback signal confirms the real-time lock status to your controller.\u003c\/p\u003e\n\u003ch4\u003eQ: Can I adjust the time delay on this electric bolt lock?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The lock features a built-in adjustable time delay with three settings: 0 seconds (instant), 3 seconds, and 6 seconds. This allows you to customize door release timing to suit your specific access control setup.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the difference between Fail Safe and Fail Secure mode on this electric bolt lock?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"In Fail Safe (NC) mode, the lock automatically unlocks when power is cut — useful for emergency egress requirements. In Fail Secure (NO) mode, the lock stays locked even when power is lost, maintaining security during power outages. 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