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BEST 45H7AB 3H Grade 1 Office Mortise Lever Lock
Function: Office (AB) - ANSI No. F20
Latch operated by rotating inside lever/knob, by rotating outside lever/knob only when locking
toggle is in unlocked position or by turning key in outside cylinder
Deadbolt operated by turning key in outside cylinder or by inside turn lever/knob
The latchbolt is deadlocked with an auxiliary deadlatch
Outside lever/knob locked by placing locking toggle in locked position or projecting deadbolt by key or turn lever
Outside lever/knob unlocked by turning key in outside cylinder and placing locking toggle in unlocked position
Inside lever/knob retracts deadbolt and latch simultaneously
Inside lever/knob always unlocked
Auxiliary bolt – Stainless steel, non-handed.
ADA-Americans With Disabilities Act:
45H Series –The design and operation of the BEST® mortise lock meets the intent
of the standard for ANSI A117.1 section 404.2.6.
Builders Hardware Manufacturers Association:
45H Series –ANSI A156.13, Series 1000, Grade 1 Operation and Strength, Grade 2 Security.
To meet Grade 1 Security,a drill resistant core(1CD, 1CDP, 1CDF, or 1CDX) must be used with escutcheon trims,
and 1EK7K4 high security cylinder must be used with sectional trims.
47H Series – ANSI A156.13, Series 1000, Grade 1 Operational, Strength, and Security.
Underwriters Laboratories® – The 40H series is listed by Underwriters Laboratories for use on a 3 hour A label doors.
These locks also carry the C-UL mark which is officially accepted in all of Canada,
indicating compliance with appropriate Canadian standards and codes. The 47H series locks conform to UL437
standard for key locks, referencing door locks. The 1EJ7J4 cylinder used in the 47H series also conforms to UL437
standard for key locks, referencing high security cylinders, and is listed for Canada as well as the United States.
Florida Building Code (FBC) Listed – See certification listing for all 40H series lock functions that are certified for use in
applications requiring a design pressure rating as specified.
Description Model Single Door Double Door
PSF w/o DeadBolt 45H and 47H +-60 +-35
PSF w/ DeadBolt 45H and 47H +-60 +-35
PSF w/ DeadBolt 48H and 49H +-40.5 +-40.5