ENCLOSURES
cost-effective security solution. These latch/ lock systems are widely used in industrial, commercial, and IT settings, offering reliable access control with minimal installation complexity. Quarter-turn locks are available in various materials, including high-tech plastics, zinc die-cast, and stainless steel, making them suitable for different environmental conditions.
Many quarter-turn designs provide IP65- rated sealing for enhanced protection against dust and moisture. Popular configurations include insert locks with triangular, square, and double-bit key formats, offering variable security levels. Additionally, modular quarter-turn systems allow for customised cam selection, enabling flexibility in door and frame depth configurations.
Compression Locks: Enhanced sealing and vibration resistance
In applications where environmental sealing is critical, compression latch/ locks offer an advanced alternative. These locks operate with an initial quarter-turn motion followed by a secondary 90-degree turn, which compresses the gasket and enhances sealing integrity. This makes them ideal for environments requiring high levels of ingress protection, such as pressure- washed hygiene areas and outdoor enclosures.
ePush-Locks: A handle-free locking system
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EMKA Rack Management
Systems have been widely adopted by banks and co-location centres, ensuring secure access to server racks through a combination of electromechanical handles, radio technology, and database-driven software solutions.
eCam: Electronic locking without cabinet modifications
The eCam system enables electronic locking for quarter-turn mechanisms and other latching solutions without requiring changes to existing enclosures. This is a cost-effective approach for upgrading machine controls, data housings, and industrial cabinets with enhanced security features. Certified to UL and DIN standards, eCam supports centralised remote control of multiple locks, making it an ideal solution for mobile homes, trailers, and RVs.
Vandal-resistant solutions for outdoor enclosures
A growing trend in enclosure design is the use of ePush-Locks, which eliminate the need for traditional handles while maintaining secure access. These innovative locks enable users to open doors and panels simply by pressing the surface, with automatic release mechanisms providing seamless operation.
The concealed mounting system ensures a sleek exterior without visible cutouts, reducing dirt accumulation and improving aesthetics. ePush-Locks are particularly beneficial in mobile applications, such as caravans and specialised vehicles, where integration with central locking systems provides added convenience and security.
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Securing outdoor enclosures against vandalism and forced entry is a growing concern for engineers designing telecommunications, utility, and public infrastructure cabinets. High-security swinghandles rated to RC2 (DIN EN 1630) provide robust resistance against physical attacks. For situations requiring even greater security, electronic lock-and-release mechanisms can be installed to keep locks concealed within the cabinet structure. For less exposed environments, a variety of reinforced swinghandles offer moderate resistance levels, incorporating double profile half cylinders or padlock facilities. Constructed from durable polyamide, zinc die-cast, or stainless steel, these handles provide long-lasting security while maintaining ease of use.
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MAY 2025 | ELECTRONICS FOR ENGINEERS 29
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