The LMI-13 Mechanical Interlock is a critical safety accessory designed to prevent the simultaneous operation of two main electrical circuits, effectively safeguarding against potential overload and fire risks. Specifically engineered for eBG circuit breakers, it ensures secure manual switching of dual power supplies. This versatile interlock is ideal for enhancing electrical safety and compliance in diverse applications, including residential homes, commercial establishments, hotels, shopping malls, and other facilities requiring controlled power source management.