Future Lock

Aug. 18, 2024
Redefining Door Access with Motorized Electric Latch Retraction

Door security technology has evolved significantly over the past few decades, advancing from basic mechanical locks to electromechanical systems that enhance both security and convenience. This evolution underscores a growing emphasis on prioritizing and improving security and accessibility in building design. Today, integrating these features is essential, especially in commercial buildings and public institutions, where meeting accessibility standards like the Americans with Disabilities Act (ADA) is mandatory.

Motorized Electric Latch Retraction (MELR) technology exemplifies this shift. It combines strong security with easy access, addressing modern needs for safety and inclusivity.

Operated via motor, MELR not only protects spaces from unauthorized entry but also ensures door access systems are accessible to everyone, promoting a more inclusive environment. In the world of modern MELR systems, it’s exciting to see how door security has evolved to effortlessly blend practical functionality with user-friendly design.

How MELR Enhances Security Systems

MELR is revolutionizing door security by enabling doors to open automatically without physical touch. This technology employs an electric motor to retract the latch bolt, seamlessly integrating with automated building systems to enhance efficiency and accessibility.

MELR offers significant advantages including heightened security by controlling entry points more effectively, exceptional durability suitable for high-traffic areas, and strict compliance with safety and accessibility regulations such as the ADA. These systems are not only quick—retracting latch bolts in under a second — but also energy efficient, which helps reduce operating costs while supporting environmental sustainability efforts.

Key technical specifications include rapid functionality, low power requirements and robust compliance certifications, including ANSI/BHMA for durability and UL/cUL for fire safety. This blend of features makes MELR a critical component in modern architectural design, where the focus is on creating safe, accessible and efficient environments.

Practical Applications of MELR

Security professionals constantly seek solutions that balance convenience with robust security measures. MELR functions address this need. In emergencies, they automatically retract latches for faster evacuation, crucial for schools and government buildings. This ensures compliance with building codes and assures occupant safety.

Beyond emergencies, MELR functions strengthen access control. Hands-free door operation eliminates the risk of unauthorized access through compromised key cards, especially valuable in healthcare facilities. Additionally, the reduced wear and tear on door hardware translates to lower maintenance costs, particularly beneficial for high-traffic areas in commercial and government buildings.

MELR systems further align with modern security principles. They promote inclusivity by enabling effortless access for everyone and adhering to ADA compliance. This focus on accessibility complements the evolving security approach that prioritizes secure environments without compromising inclusivity. MELR functions represent a significant advancement, offering security professionals a valuable tool for enhanced emergency preparedness, access control, and overall building security.

Features and Operational Benefits

MELR functions offer several operational advantages that significantly enhance building functionality and sustainability. The quick latch bolt retraction feature is ideal for high-traffic areas, allowing doors to open and close swiftly, which minimizes bottlenecks and facilitates smooth movement of people.

Additionally, these systems operate quietly, making them suitable for environments such as libraries, offices, and hospitals where noise minimization is crucial. Their efficient operation not only reduces noise pollution but also conserves energy, contributing to more sustainable building practices.

The blend of speed, quiet operation, and energy efficiency make MELR systems a preferred choice in various settings, aligning with modern demands for functionality and environmental responsibility.

Installation and Maintenance Considerations

 MELR systems offer versatility, seamlessly integrating with various door types and existing security frameworks. Whether for new construction or retrofitting existing buildings, MELR technology can be deployed on a wide range of door styles and configurations, including exit devices, mortise locks and automatic door operators. They are also compatible with various access control systems, allowing for a smooth integration into existing security infrastructure.

Successful installation requires meticulous attention to detail. Considerations include aligning the system with the door's operational direction and ensuring compatibility with other security features.

Maintaining MELR systems is equally crucial for optimal performance and longevity. Regular maintenance checks should include inspecting the motor and latch mechanisms for wear and tear, testing the system's response time, and verifying a consistent and adequate power supply. Additionally, if the system integrates with digital controls, software updates are essential. Finally, routine safety checks ensure compliance with regulatory standards.

Boosting Security and Convenience

MELR systems are a valuable addition to any building's security infrastructure, providing enhanced safety and convenience for occupants. They offer numerous benefits, from quick and quiet operation to compatibility with various door types and seamless integration with existing security measures.

Evaluate your end-user’s security setup and explore how MELR systems can enhance their facility’s accessibility and regulatory compliance. By combining your installation and maintenance expertise with careful planning, MELR systems can help you provide reliable and long-lasting security solutions.

Finally, always consult with a professional security expert when making decisions about implementing MELR systems, as they can provide valuable insights and guidance for your specific building and security requirements.

Positioning yourself as a pioneer in advancing door security technology in your facilities, you can help end users explore the possibilities of Motorized Electric Latch Retraction systems for their building safety, compliance, and convenience.

About the Author

Lori Brown | Senior Product Manager, ASSA ABLOY Opening Solutions

Lori Brown is a Senior Product Manager in the mechanical locks category of ASSA ABLOY's Access and Door Control Group, including ASSA ABLOY ACCENTRA, Corbin Russwin and SARGENT brands. Lori specializes in product development and marketing for commercial mortise and bored locks.