ESP DR916-24 24vDC Fire Alarm Magnetic Door Holder Retainer with DR916-KP wall keeper plate (you may also require the DR916-FMB floor mounting bracket to convert the DR916-KP wall keeper plate into floor mounting instead of wall mounting) Magnetic door release units are designed for use in fire applications where doors are usually kept open. The units have a holding force of 200 Newtons and a spring return action eliminates the problems of residual magnetism. Fire alarms should be installed by a competant electrician in accordance with the current electrical engineering codes of practice, IEE regulations for electrical equipment and current Fire Regulations. Supplied with a surface mounting box Manual release button mounted on surface box A built in release spring Supplied complete with a swivel keeper plate
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