ANSI/BHMA A156.13 Mortise locks
Commercial mortise locksets. Allegion lists 1,000,000 cycles at Grade 1 and 800,000 at Grades 2 and 3.
What it actually decides
- Cycle life by grade
- Case dimensions and prep
- Function range, which is far wider than residential
Applies to these lock types
Mortise lockset (ANSI/BHMA A156.13)
Why a retrofit designer cares
Commercial doors usually already have access control. Retrofit means integrating, not replacing.