Constructional and performance requirements for mechanisms intended to hold open (or closed) fire protection equipment such as fire doors, dampers etc, releasing on manual operation or receipt of a fire signal.
Cross References: BS 302-2 BS 5839-1:2002 BS 7273 BS EN 1154 BS EN 1155 BS EN 60068-1:2002 BS EN 60068-2-1 BS EN 60068-2-6 BS EN 60068-2-42 BS EN 60068-2-47 BS EN 60068-2-67 BS EN 60529 BS EN 60068-1:2002 BS EN 60730-1:2001 BS ISO 4413