This standard specifies the grades for the practical performance items of locks used for doors in openings in buildings: frequency of use, external force, performance relative to the mass of the door used, number of different keys, deadbolt extension dimension, and dust resistance. and the display method.
JIS A 1541-2:2006 Referenced Document
JIS A 1541-1:2006 Building Hardware -- Locks and Latches -- Part 1: Test Methods
JIS A 1541-2:2006 history
2016JIS A 1541-2:2016 Building hardware -- Locks and latches -- Part 2: Methods of the presentation and grade of criteria for practical performance item
2006JIS A 1541-2:2006 Building Hardware -- Locks and Latches -- Part 2: Methods of the presentation and grade of criteria for practical performance item