Fire Door Passive Electronic Safety Lock A compact passive electronic lock engineered to secure fire doors while allowing controlled electronic release. Designed for reliable operation in commercial and residential buildings, this unit helps keep protected doors closed and released on command from access control systems or building alarm panels. Key benefits Keeps fire doors secured without manual latching, reducing the risk of doors being left open. Releases electronically on signal, enabling coordinated response with access control and alarm systems. Simple integration with existing control panels and door hardware for minimal disruption during installation. Robust construction for long service life and consistent operation under frequent use. What it does Holds a fire door closed using a passive locking mechanism and releases when an electronic signal is received. Works as part of a fire safety and access control strategy to ensure doors remain in their intended state when required. Operates without continuous mechanical intervention, improving door management and reducing wear on hinges and closers. Key features Passive electronic release for controlled unlocking on fire alarm or access control input. Compact footprint suitable for standard door frames and common door leaf sizes. Heavy duty construction designed for daily use in busy environments. Low standby power draw and reliable electronic switching for consistent performance. Multiple mounting options to suit different door types and installation preferences. Compatibility and installation Designed to integrate with typical commercial access control systems and fire alarm interfaces. Works with single and double door configurations when appropriate mounting and wiring are used. Straightforward wiring and mounting reduce installation time and maintenance complexity. Suitable for retrofit projects as well as installations when coordinated with existing door hardware. Practical use scenarios Office building corridors: Hold fire doors closed during normal operation and release automatically on an alarm signal to support building evacuation procedures. Apartment complexes: Integrate with building entry control to secure common area doors while maintaining egress capability during emergencies. Hotels or public venues: Coordinate door locking and release with central control systems to manage guest access and emergency response. Why choose this lock Practical solution for managing fire door closure without manual intervention. Designed for integration, reliability, and ongoing daily use in commercial settings. Clear functional focus on holding and electronically releasing fire doors as part of a broader safety and access control system. Includes durable locking unit and standard electrical interface for connection to control systems. For specific compatibility with your control panel or door dimensions, consult your installer or system documentation before .