12V Electric Drop Bolt Lock – Fail Safe/Secure & Time Delay

12V Aluminum Electric Drop Bolt Lock with Signal Feedback

Upgrade your access control system with this heavy-duty 12V Electronic Drop Bolt Mortise Lock from Asia-Teco. Constructed from durable aluminium alloy and engineered for continuous operation, this lock is compatible with glass, wooden, metal, and security doors — making it a versatile choice for commercial and residential installations alike.

Key Features

• Dual Secure Mode: Choose between Fail Safe (NC) — locks when power is cut — or Fail Secure (NO) — locks when power is applied. Easily configurable to suit your security requirements.
• Magnetic Induction Locking: Reliable magnetic induction mechanism ensures consistent, precise locking performance every cycle.
• Adjustable Time Delay: Built-in time delay adjustable at 0, 3, or 6 seconds, giving you flexible control over door access timing.
• 5/6 Wire Signal Feedback: Integrated feedback signal output lets your access control panel monitor the lock's real-time status for smarter, more responsive security systems.
• Aluminium Alloy Construction: Lightweight yet strong, the aluminium alloy body resists wear and corrosion for long-lasting reliability in high-traffic environments.
• Minimal External Interference: Engineered to reduce electromagnetic interference, delivering stable and secure operation day after day.
• Continuous Work Type: Designed for continuous winding operation, suitable for demanding, always-on installations.

Specifications

Compatible Door Types

This electric mortise lock is designed for easy installation on a wide range of door types, including:

• Glass doors
• Wooden doors
• Metal doors
• Security and access-controlled doors

Why Choose This Drop Bolt Lock?

Whether you're building a new access control system or upgrading an existing setup, the Asia-Teco B7L series offers a professional-grade solution at an accessible price. The combination of configurable fail-safe/fail-secure modes, real-time feedback signaling, and adjustable time delay makes this lock an excellent fit for offices, warehouses, laboratories, residential complexes, and more.

For guidance on selecting the right electronic locking hardware for your application, refer to the U.S. Consumer Product Safety Commission (CPSC) for product safety standards, and visit OSHA's egress and access control guidelines to ensure your installation meets workplace safety requirements.

Frequently Asked Questions

Q: What is the difference between Fail Safe (NC) and Fail Secure (NO) modes on this electric drop bolt lock?

A: In Fail Safe (NC) mode, the lock remains locked when power is supplied and unlocks automatically when power is cut — ideal for emergency egress where doors must open freely during a power outage. In Fail Secure (NO) mode, the lock unlocks when powered and stays locked when power is removed — perfect for high-security areas where the door must remain secured even during a power failure.

Q: What does the signal feedback feature do on this mortise lock?

A: The 5/6-wire signal feedback output allows your access control system or alarm panel to monitor the real-time locked/unlocked status of the door. This enables smarter automation — such as triggering alarms if a door remains open too long — and provides an auditable log of door activity for added security management.

Q: What door types is this 12V electric drop bolt lock compatible with?

A: The Asia-Teco B7L drop bolt lock is designed to work with glass, wooden, metal, and security doors. Its compact aluminium alloy body (200 × 38 × 28 mm) allows for straightforward installation on most standard door frames used in commercial and residential settings.

Q: How do I adjust the time delay on this electronic lock?

A: The time delay can be set to 0, 3, or 6 seconds using the onboard adjustment switch. This controls how long the lock waits before engaging after a trigger signal is received, giving you flexible timing to suit different door usage scenarios and traffic flow requirements.