Schlage M400 Series electromagnetic locks are ideal as part of a complete electronic security solution, often paired with push bars, request-to-exit prodices and credential readers. M400 Series electronmagentic locks are an easy-to-install alternative to electric strikes or electric locks, featuring a bayonet mounting design that eliminates the need to hold the lock overhead while securing. More than 15 models cover a wide range of applications with 500 lb., 1000 lb., and 1500 lb. hold force options available in single and double configurations, while in.Plusin. models add intelligent sensing and reporting features required for integration with access control systems.