{"product_id":"fail-secure-electronic-drop-bolt-lock-dc-12v-24v-key-cylinder-time-delay","title":"Fail Secure Drop Bolt Lock DC 12V\/24V with Key Cylinder \u0026 Delay","description":"\n\u003ch2\u003eAsia-Teco DC 12V\/24V Fail Secure Electronic Drop Bolt Lock\u003c\/h2\u003e\n\u003cp\u003eUpgrade your door access control system with the \u003cstrong\u003eAsia-Teco B10L Electronic Drop Bolt Lock\u003c\/strong\u003e — a robust, fail-secure deadbolt solution built for commercial and residential entry points. Constructed from \u003cstrong\u003ealuminum alloy and stainless steel\u003c\/strong\u003e, this lock delivers reliable, long-lasting performance with over 200,000 operation cycles tested. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose This Drop Bolt Lock?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFail Secure (NO Type):\u003c\/strong\u003e The door remains locked when power is off — only unlocks when power is applied. Ideal for high-security environments where maintaining a locked state during power outages is critical.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMechanical Key Override:\u003c\/strong\u003e Includes a built-in key cylinder for manual unlocking, with a pick-proof lock core for added security.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSelectable Time Delay:\u003c\/strong\u003e Choose from 0, 3, or 6-second delay settings to suit your access workflow.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVisual Status Indicators:\u003c\/strong\u003e Green LED = unlocked; Red LED = locked — at-a-glance monitoring at all times.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDoor Status Signal Output:\u003c\/strong\u003e Integrated contact output allows integration with alarm systems or access control panels.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Voltage Compatibility:\u003c\/strong\u003e Operates on DC 12V or DC 24V for flexible installation in various access control setups.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Operating Range:\u003c\/strong\u003e Engineered to perform in temperatures from -10°C to +55°C (-14°F to 131°F).\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eAsia-Teco\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eB10L\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eWorking Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eDC 12V \/ 24V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eWorking Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eStart: 1.2A | Holding: 0.2A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eLock Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e210 × 26.5 × 37 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eInbuilt Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e170 × 25 × 34 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eLock Tongue\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eProtrudes 14 mm, Dia. 12.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eTime Delay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e0 \/ 3 \/ 6 seconds (selectable)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eLED Indicators\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eGreen (Unlocked) \/ Red (Locked)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eAluminum Alloy \u0026amp; Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e-10°C to +55°C\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eLife Test\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e200,000 cycles\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\n\u003cp\u003eThis electronic drop bolt lock is well-suited for office buildings, server rooms, warehouses, retail stores, hotel corridors, and any door access control installation where fail-secure operation is required. Its compatibility with standard access control systems makes integration straightforward for security professionals and installers.\u003c\/p\u003e\n\n\u003cp\u003eFor general guidance on electronic security and access control best practices in buildings, refer to the U.S. Consumer Product Safety Commission (CPSC).\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What does \"fail secure\" mean on this drop bolt lock?\u003c\/h4\u003e\n\u003cp\u003eA: Fail secure (also called \"NO\" or normally open type) means the lock bolt remains engaged and the door stays locked whenever electrical power is cut. Power must be actively supplied to retract the bolt and allow entry. This is ideal for secure areas where an unlocked door during a power outage would be a safety risk.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can this lock be opened manually without power?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The Asia-Teco B10L includes a built-in mechanical key cylinder, allowing authorized users to unlock the door manually at any time, independent of the power supply. The lock core features a pick-proof design for additional security.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this lock compatible with both 12V and 24V access control systems?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. This electronic drop bolt lock supports both DC 12V and DC 24V operating voltages, making it compatible with a wide range of access control panels and power supplies commonly used in commercial and residential installations.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How do I select the time delay setting?\u003c\/h4\u003e\n\u003cp\u003eA: The B10L offers selectable time delay options of 0, 3, or 6 seconds. This is typically set via a dip switch or jumper on the lock body, allowing you to control how long the bolt remains retracted after an unlock signal before it re-engages.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What does \\\"fail secure\\\" mean on this drop bolt lock?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Fail secure (also called \\\"NO\\\" or normally open type) means the lock bolt remains engaged and the door stays locked whenever electrical power is cut. Power must be actively supplied to retract the bolt and allow entry. This is ideal for secure areas where an unlocked door during a power outage would be a safety risk.\"}}, {\"@type\": \"Question\", \"name\": \"Can this lock be opened manually without power?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. 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