The cable-based Mechanical Override System provides a standard solution for remote mechanical actuation of electronic latches. In the event of electrical power loss, the system provides fully redundant access. The system comprises a mechanical override lock with corresponding AC actuator and cable bracket, a mechanical cable, and a mechanical override bracket. The R4-EM Mechanical Override System adjusts to any standard Southco R4-EM Electronic Rotary Latches. It provides a simple means of mechanically releasing the electronic lock during a power failure. The system is easy to install, with multiple adjustments and customized cable lengths to suit any applications.


Southco offers a variety of additional electronic components and accessories to simplify cabling and connections between Southco’s Electronic Access Solutions (EAS) and existing security systems and infrastructure. Plug-and-play installation facilitates remote access control and monitoring, which can be used to demonstrate compliance with regulatory requirements. Southco offers additional components to complete the EAS system, including power supplies, wire and cabling options and junction box connectors.