{"product_id":"fail-secure-12v-electric-drop-bolt-lock-manual-keys-6-wire-access-control","title":"Asia-Teco 12V Fail Secure Electric Drop Bolt Lock | 6-Wire","description":"\n\u003ch2\u003eAsia-Teco Fail Secure 12V Electric Drop Bolt Lock – Model B9L\u003c\/h2\u003e\n\u003cp\u003eUpgrade your access control system with the \u003cstrong\u003eAsia-Teco B9L Fail Secure Electric Drop Bolt Lock\u003c\/strong\u003e. Engineered for commercial and residential security applications, this 12V electronic deadbolt features a robust aluminum alloy body, a stainless steel locking tongue, and a 6-wire signal output for seamless integration with virtually any access control panel. With an adjustable time delay and dual LED status indicators, managing door security has never been easier or more reliable.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFail Secure (NO Lock) Operation:\u003c\/strong\u003e Door remains locked when power is off — ideal for high-security environments where entry must be controlled at all times.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManual Key Override:\u003c\/strong\u003e Includes manual keys for emergency or backup entry without requiring power.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e6-Wire Signal Output:\u003c\/strong\u003e Provides door status signal output contacts for real-time monitoring and integration with alarm or building management systems.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdjustable Time Delay:\u003c\/strong\u003e Selectable delay of 0, 3, or 6 seconds (0–6 seconds adjustable) to suit your specific door management requirements.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual LED Status Indicators:\u003c\/strong\u003e Green LED signals unlocked state; Red LED signals locked state — instantly visible at a glance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Stainless Steel Locking Tongue:\u003c\/strong\u003e 12.5 mm diameter tongue with a 15 mm (±1 mm) pop-up length for a strong, reliable bolt engagement.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Operating Temperature Range:\u003c\/strong\u003e Performs reliably from -10°C to +55°C (-14°F to 131°F).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCE \u0026amp; FCC Certified:\u003c\/strong\u003e Meets international safety and electromagnetic compatibility standards.\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\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eAluminum Alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eWork Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eFail Secure — locks when power is off\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\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;\"\u003e80 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eStarting Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e1,300 mA (1.3A)\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 (adjustable)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eLocking Tongue\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eStainless steel, 12.5 mm diameter, 15 mm ±1 mm pop-up\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eSignal Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e6-wire door status signal output contacts\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\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 style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eCertification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eCE, FCC\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;\"\u003eB9L\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 China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWiring Guide (6-Wire)\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRed Wire:\u003c\/strong\u003e Positive (+) DC 12V power input\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBlack Wire:\u003c\/strong\u003e Negative (−) ground\u003c\/li\u003e\n  \u003cli\u003eRemaining 4 wires: Door status signal output contacts for integration with access control panels, alarm systems, or building automation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Asia-Teco B9L Electric Drop Bolt Lock\u003c\/li\u003e\n  \u003cli\u003eManual keys for emergency override\u003c\/li\u003e\n  \u003cli\u003eMounting hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\n\u003cp\u003eThis electric deadbolt is well-suited for offices, server rooms, warehouses, residential entryways, glass doors, and any environment where a dependable access control solution is required. Its fail-secure design ensures the door stays locked during power outages — a critical feature for sensitive or restricted areas.\u003c\/p\u003e\n\n\u003cp\u003eFor general guidance on electronic access control and building security standards, 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 the Asia-Teco B9L electric drop bolt lock?\u003c\/h4\u003e\n\u003cp\u003eA: \"Fail secure\" (also called Normally Open or NO) means the lock remains in the \u003cstrong\u003elocked position when power is cut\u003c\/strong\u003e. This is the opposite of \"fail safe\" locks, which unlock when power is lost. A fail secure lock is ideal for high-security doors where you need to ensure the door stays locked during a power outage.\u003c\/p\u003e\n\u003ch4\u003eQ: Can I use the B9L drop bolt lock without an access control panel?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The lock includes \u003cstrong\u003emanual keys for direct override\u003c\/strong\u003e, allowing you to lock or unlock the door without any power or access control system. This makes it versatile for both standalone use and integration into a larger access control setup.\u003c\/p\u003e\n\u003ch4\u003eQ: How do I set the time delay on the electric deadbolt?\u003c\/h4\u003e\n\u003cp\u003eA: The B9L features an \u003cstrong\u003eadjustable time delay of 0, 3, or 6 seconds\u003c\/strong\u003e. This can be configured to control how long the bolt remains retracted (unlocked) after an access signal is received, giving users adequate time to pass through the door before it re-locks automatically.\u003c\/p\u003e\n\u003ch4\u003eQ: Is the Asia-Teco B9L compatible with standard 12V access control systems?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The lock operates on \u003cstrong\u003eDC 12V\u003c\/strong\u003e and features a 6-wire output for door status monitoring, making it compatible with the vast majority of commercial and residential access control panels, intercoms, and keypads on the market.\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 the Asia-Teco B9L electric drop bolt lock?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"\\\"Fail secure\\\" (also called Normally Open or NO) means the lock remains in the locked position when power is cut. This is the opposite of \\\"fail safe\\\" locks, which unlock when power is lost. 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