LiftMaster Alarm Bell, 4 in, 115V | LIF-50-510 liftmaster 20-3050C-4T Designed with a nylon coated

Designed with a nylon coated brass speedhook and eyelet lacing system

permission levels

Inherent obstruction sensing

providing clear visibility and intuitive operation

LiftMaster Alarm Bell, 4 in, 115V | LIF-50-510 liftmaster 20-3050C-4T Designed with a nylon coatedLiftMaster Alarm Bell, 4 in, 115V LIF 50 510 This LiftMaster 6 inch alarm bell provides a critical audible warning for commercial door and gate applications. Designed for wall mounting, the bell requires a 115V power source and features a NEMA 1 rating, making it suitable for indoor environments protected from falling dirt. WARNING: It is strongly recommended that audible visible warning devices be included in every operator installation. Genuine